Feldspar in a sentence

(1) Orthoclase is a feldspar mineral.

(2) Cacholongs are a type of feldspar.

(3) Albites are a type of feldspar mineral.

(4) Adularias is a type of feldspar mineral.

(5) Amazonite is a type of feldspar mineral.

(6) Oligoclase is a type of feldspar mineral.

(7) Amazonites are a type of feldspar mineral.

(8) Amazonstone is a type of feldspar mineral.

(9) Analcites are also known as soda feldspar.

(10) Anorthites are a type of feldspar mineral.

Feldspar sentence

(11) Aplite is composed of feldspar and quartz.

(12) Bathylite is composed of feldspar and quartz.

(13) The clast was composed of quartz and feldspar.

(14) Anorthites are a type of plagioclase feldspar.

(15) The most common type of feldspar is orthoclase.

(16) The arkosic composition was primarily feldspar.

(17) Feldspar is a common mineral found in many rocks.

(18) Albite is a member of the feldspar mineral group.

(19) The feldspar mine is used for glass and ceramics.

(20) Feldspar is known for its hardness and durability.

Feldspar make sentence

(21) Syenites are composed mainly of feldspar minerals.

(22) The mineral feldspar is commonly found in granite.

(23) The liparite composition is predominantly feldspar.

(24) Feldspar can exhibit a phenomenon known as twinning.

(25) Orthoclase is a member of the alkali feldspar group.

(26) Shale can also contain quartz and feldspar minerals.

(27) Porphyrite is composed mainly of feldspar and quartz.

(28) The elem in this rock sample are quartz and feldspar.

(29) Feldspar is an important mineral in the Earth's crust.

(30) She prospected for feldspar in the granite formations.

Sentence of feldspar

(31) Syenite is composed mainly of feldspar and hornblende.

(32) The anorthitic feldspar in this sample is well-formed.

(33) The anorthitic feldspar in this sample is translucent.

(34) The most common type of feldspar is called orthoclase.

(35) The calcining of feldspar is done to remove impurities.

(36) The anorthic feldspar was a common mineral in the area.

(37) The trachytic rock was composed of feldspar and quartz.

(38) Anorthosite is composed mainly of plagioclase feldspar.

(39) Feldspar is a key component in the formation of granite.

(40) The phenocrysts in this rock are predominantly feldspar.

Feldspar meaningful sentence

(41) The calcined feldspar was used as a flux in glassmaking.

(42) The granite had veinlets of feldspar running through it.

(43) The elem in this rock are primarily quartz and feldspar.

(44) The aplitic veins contained quartz and feldspar minerals.

(45) Feldspar is resistant to chemical weathering and erosion.

(46) The anorthitic feldspar in this basalt is finely grained.

(47) The anorthitic feldspar in this gabbro is well-preserved.

(48) Arkosic rocks are composed mainly of feldspar and quartz.

(49) Dacites can contain minerals such as quartz and feldspar.

(50) Oligoclase is a member of the plagioclase feldspar group.

Feldspar sentence examples

(51) Granite is composed mainly of quartz, feldspar, and mica.

(52) Feldspar is often used as a filler in paints and coatings.

(53) Authigenic feldspar can be found in volcanic ash deposits.

(54) Mudstone can contain minerals such as quartz and feldspar.

(55) Felsitic rocks often contain quartz and feldspar minerals.

(56) The volcanic rock contained large phenocrysts of feldspar.

(57) The hardness of feldspar can be measured on the Mohs scale.

(58) Felsite is composed mainly of quartz and feldspar minerals.

(59) The allanitic grains were embedded in a matrix of feldspar.

(60) Alunites are formed by the alteration of feldspar minerals.

Sentence with feldspar

(61) Feldspar is commonly found in igneous and metamorphic rocks.

(62) Rhyolite is composed mainly of quartz and feldspar minerals.

(63) The vugs in this rhyolite are filled with feldspar crystals.

(64) Aplites are composed of feldspar, quartz, and mica minerals.

(65) The use of feldspar in pottery dates back thousands of years.

(66) The groundmass had a high proportion of plagioclase feldspar.

(67) Phonolite is a volcanic rock that is rich in alkali feldspar.

(68) The composition of phonolites includes feldspar and nepheline.

(69) Felsites are igneous rocks that are rich in feldspar minerals.

(70) Dioritic minerals include plagioclase feldspar and hornblende.

Use feldspar in a sentence

(71) Petalite is often found in association with feldspar minerals.

(72) Trachytes are composed mainly of feldspar and quartz minerals.

(73) Leucite is a feldspathoid mineral that is similar to feldspar.

(74) Felsite is composed primarily of quartz and feldspar minerals.

(75) Minerals can be used to make ceramics, like clay and feldspar.

(76) Tonalite is composed mainly of plagioclase feldspar and quartz.

(77) Feldspar is often used in the production of ceramics and glass.

(78) Feldspar is often used as a flux in the production of ceramics.

(79) The presence of feldspar can give a rock a distinctive texture.

(80) The weathering of feldspar can release nutrients into the soil.

Sentence using feldspar

(81) Feldspar is a major component in the Earth's continental crust.

(82) The groundmass was predominantly composed of feldspar minerals.

(83) The aphanites in this sample contain small amounts of feldspar.

(84) The anorthitic feldspar in this sample shows twinning patterns.

(85) The turbiditic sandstone is rich in quartz and feldspar grains.

(86) The hypabyssal rocks were rich in feldspar and quartz minerals.

(87) Tridymite is often found in association with feldspar minerals.

(88) The phenocrysts in the granite were mostly orthoclase feldspar.

(89) Anorthositic rocks are composed mainly of plagioclase feldspar.

(90) Phonolites are volcanic rocks that are rich in alkali feldspar.

Feldspar example sentence

(91) The presence of feldspar can affect the melting point of a rock.

(92) The presence of feldspar is a characteristic feature of arkoses.

(93) The graywacke formation is rich in quartz and feldspar minerals.

(94) The aplitic veins in the rock are filled with feldspar crystals.

(95) The rock sample contained several large phenocrysts of feldspar.

(96) The presence of feldspar can indicate the age and type of a rock.

(97) Dacites can contain various minerals such as quartz and feldspar.

(98) The anorthitic feldspar is a common mineral in the Earth's crust.

(99) Gneissic rocks often contain minerals such as quartz and feldspar.

(100) Albite is often found in association with other feldspar minerals.

Sentence with word feldspar

(101) Wolframite is often found in association with quartz and feldspar.

(102) Petuntse is a type of feldspar used in the production of ceramics.

(103) The presence of feldspar is a characteristic feature of trachytes.

(104) The groundmass of the granite is dominated by feldspar and quartz.

(105) Rhyolites can contain minerals such as quartz, feldspar, and mica.

(106) Diorite is composed mainly of plagioclase feldspar and hornblende.

(107) The mineral feldspar is commonly found in granite and other rocks.

(108) The amphibole crystals in this sample are intergrown with feldspar.

(109) Feldspar can be found in abundance in certain regions of the world.

(110) Zoisite is sometimes found in association with quartz and feldspar.

Sentence of feldspar

(111) Cassiterite is often found in association with quartz and feldspar.

(112) The mineral composition of tephrite includes feldspar and pyroxene.

(113) The molasse deposits are rich in minerals like quartz and feldspar.

(114) Gneissose rocks often contain minerals such as quartz and feldspar.

(115) Orthoclase is a feldspar mineral that is commonly found in granite.

(116) Porphyries can contain minerals such as feldspar, quartz, and mica.

(117) The composition of feldspar can vary depending on its specific type.

(118) Feldspar can be found in both intrusive and extrusive igneous rocks.

(119) Chalcopyrite is often found in association with quartz and feldspar.

(120) Kaolinite is commonly found in association with quartz and feldspar.

Feldspar used in a sentence

(121) The mineralogy of phonolites is dominated by feldspar and nepheline.

(122) Pegmatites can contain valuable minerals such as quartz and feldspar.

(123) Monzonite is composed of plagioclase feldspar and amphibole minerals.

(124) The plagioclastic feldspar in this sample has a high calcium content.

(125) The gneisses in this area are composed mainly of quartz and feldspar.

(126) The gangue minerals were predominantly composed of feldspar and mica.

(127) The name feldspar is derived from the German words for field and spar.

(128) The name feldspar is derived from the German words for field and rock.

(129) The anorthic mineral is commonly associated with plagioclase feldspar.

(130) The trachyte rock is composed of minerals such as feldspar and quartz.

Feldspar sentence in English

(131) The ignimbrite layer was rich in minerals such as quartz and feldspar.

(132) Residual soil can contain minerals such as quartz, feldspar, and mica.

(133) Anorthite is a mineral that belongs to the plagioclase feldspar group.

(134) The basinal deposits are rich in minerals such as quartz and feldspar.

(135) The composition of anorthosite consists mainly of plagioclase feldspar.

(136) The composition of nephelinite includes feldspar and pyroxene minerals.

(137) The oligoclase in this rock is associated with other feldspar minerals.

(138) Plagioclastic feldspar is an important component of many igneous rocks.

(139) Perthite is a type of feldspar mineral commonly found in igneous rocks.

(140) Albites are a type of feldspar mineral commonly found in igneous rocks.

(141) The anorthitic feldspar in this granite gives it a speckled appearance.

(142) Oligoclase is a feldspar mineral that belongs to the plagioclase group.

(143) The porphyritic dacite contained large crystals of quartz and feldspar.

(144) The abundance of feldspar in certain areas has led to mining operations.

(145) The rhyolitic deposits are rich in minerals such as quartz and feldspar.

(146) Adularia is a type of feldspar mineral commonly found in volcanic rocks.

(147) The composition of dacite includes minerals such as quartz and feldspar.

(148) Plagioclastic feldspar is commonly found in gabbroic and basaltic rocks.

(149) Analcites is often associated with minerals such as quartz and feldspar.

(150) The greywacke formation is rich in minerals such as quartz and feldspar.

(151) Norite is composed mainly of plagioclase feldspar and pyroxene minerals.

(152) The spherulites in the rock sample were composed of feldspar and quartz.

(153) Dacites can contain phenocrysts of minerals such as quartz and feldspar.

(154) The phenocrysts in the andesite were predominantly plagioclase feldspar.

(155) Spherulites are composed of minerals such as feldspar, quartz, and mica.

(156) The mineral assemblage of granulite includes quartz, feldspar, and mica.

(157) Phonolite is composed of minerals such as nepheline, feldspar, and mica.

(158) The mineralogy of phonolites includes feldspar, nepheline, and pyroxene.

(159) Oligoclase is a type of feldspar mineral commonly found in igneous rocks.

(160) The anorthitic feldspar in this granite is finely intergrown with quartz.

(161) The mylonite in this sample is composed primarily of quartz and feldspar.

(162) The porphyroblasts in the quartzite were composed of quartz and feldspar.

(163) Granitoids are composed primarily of feldspar, quartz, and mica minerals.

(164) Feldspar can exhibit a range of colors due to impurities in its structure.

(165) The phyllite in this region contains small amounts of quartz and feldspar.

(166) Arkose is a type of sedimentary rock composed of sand grains and feldspar.

(167) Trachytoid rocks can contain various minerals such as feldspar and quartz.

(168) The weathering of feldspar minerals can result in the formation of illite.

(169) Gabbros are composed mainly of plagioclase feldspar and pyroxene minerals.

(170) The phenocrysts in the dacite were mostly composed of quartz and feldspar.

(171) The porphyroids in this sample are composed of quartz, feldspar, and mica.

(172) The crystal structure of feldspar is classified as triclinic or monoclinic.

(173) The use of feldspar in construction materials helps improve their strength.

(174) Phyllosilicates are commonly found in association with quartz and feldspar.

(175) The composition of eucrites is primarily pyroxene and plagioclase feldspar.

(176) Microcline is a feldspar mineral that belongs to the alkali feldspar group.

(177) Phonolites can contain phenocrysts of minerals such as feldspar and quartz.

(178) The weathering of feldspar minerals can lead to the formation of dawsonite.

(179) Diabases are composed mainly of plagioclase feldspar and pyroxene minerals.

(180) Illites can be found in association with minerals like quartz and feldspar.

(181) Adularia is a type of feldspar mineral commonly found in metamorphic rocks.

(182) Albite is a sodium-rich feldspar mineral that is commonly found in granite.

(183) The geologist found intergrowths of quartz and feldspar in the rock sample.

(184) Apatite is often associated with other minerals such as quartz and feldspar.

(185) The properties of feldspar make it useful in the manufacturing of abrasives.

(186) The ignimbrites found here are rich in minerals such as quartz and feldspar.

(187) The polymict conglomerate contained fragments of quartz, feldspar, and mica.

(188) Syenites are igneous rocks that are composed primarily of feldspar minerals.

(189) Rutiles are often associated with other minerals such as quartz and feldspar.

(190) The use of feldspar in ceramics helps improve their thermal shock resistance.

(191) The porphyroids in this sample contain large crystals of quartz and feldspar.

(192) Diorites are composed mainly of plagioclase feldspar and hornblende minerals.

(193) The interbeds of quartz and feldspar indicated a history of igneous activity.

(194) The paragenesis of quartz and feldspar is commonly observed in igneous rocks.

(195) The pinacoid can be observed in various minerals such as quartz and feldspar.

(196) Tinstone is often found alongside other minerals such as quartz and feldspar.

(197) The mineral composition of tephrite includes feldspar, pyroxene, and olivine.

(198) The geologist identified the presence of albitic feldspar in the rock sample.

(199) The phenocrysts in the andesite were mostly composed of plagioclase feldspar.

(200) The mineral composition of the plagioclastic rock was predominantly feldspar.

(201) Granophyre is a type of igneous rock that is composed of quartz and feldspar.

(202) The porphyritic andesite contained large phenocrysts of plagioclase feldspar.

(203) The authigenic feldspar in the granite was formed by hydrothermal alteration.

(204) Pyroxene is commonly associated with other minerals like olivine and feldspar.

(205) The hornblendic minerals in this rock are intergrown with quartz and feldspar.

(206) Phonolite is an igneous rock composed mainly of alkali feldspar and nepheline.

(207) Orthoclase is a feldspar mineral that belongs to the potassium feldspar group.

(208) The composition of granulite consists of minerals such as quartz and feldspar.

(209) Anorthosites are igneous rocks composed predominantly of plagioclase feldspar.

(210) The magmatic rocks in this area are rich in minerals like quartz and feldspar.

(211) Lamprophyre is an igneous rock that contains both mafic minerals and feldspar.

(212) The crystal structure of microcline is similar to that of orthoclase feldspar.

(213) Sericitization is a process that involves the alteration of feldspar minerals.

(214) Brachypinakoids are typically composed of minerals such as quartz and feldspar.

(215) The brookite crystals in this rock sample are embedded in a matrix of feldspar.

(216) Riebeckite is often associated with other minerals such as quartz and feldspar.

(217) Actinolite is often associated with other minerals such as quartz and feldspar.

(218) The ballclays were mixed with feldspar and kaolin to create a unique clay body.

(219) The aplitic texture of the rock is a result of the crystallization of feldspar.

(220) Dawsonites are often associated with other minerals such as quartz and feldspar.

(221) The porphyroids in this area are known for their high concentration of feldspar.

(222) Dacitic rocks often contain phenocrysts of minerals such as quartz and feldspar.

(223) The mineral composition of andesites includes plagioclase feldspar and pyroxene.

(224) Clinochlore is often associated with other minerals such as quartz and feldspar.

(225) Bleacherite is often associated with other minerals such as quartz and feldspar.

(226) The authigenic feldspar in the granite was formed by crystallization from magma.

(227) Allanite is commonly associated with other minerals such as quartz and feldspar.

(228) The lopolith is composed of various minerals such as quartz, feldspar, and mica.

(229) The breccia in this area is composed of angular fragments of quartz and feldspar.

(230) Pyrophyllite is often associated with other minerals such as quartz and feldspar.

(231) Babingtonite is often associated with other minerals such as quartz and feldspar.

(232) The mineralogy of tholeiite typically includes plagioclase feldspar and pyroxene.

(233) Nephelite is commonly associated with other minerals such as feldspar and quartz.

(234) Euxenite is often found in association with feldspar and quartz in granite rocks.

(235) Ferromagnesian minerals are often found in association with plagioclase feldspar.

(236) Sodic minerals such as feldspar and zeolite are commonly found in volcanic rocks.

(237) The single-crystal structure of the feldspar mineral gives it its cleavage planes.

(238) The conglomeratic deposit contained a mix of quartz, feldspar, and other minerals.

(239) The petrological analysis revealed the rock to be composed of quartz and feldspar.

(240) The greisenization process involves the replacement of feldspar by mica and quartz.

(241) Staurolite is often found in association with minerals such as feldspar and biotite.

(242) The albitic minerals in this rock are often associated with other feldspar minerals.

(243) Glaucophane is often found in association with minerals such as quartz and feldspar.

(244) Actinolites are commonly found alongside other minerals such as quartz and feldspar.

(245) Plagioclastic feldspar can be altered to clay minerals through weathering processes.

(246) Granophyre is a type of igneous rock that is composed mainly of quartz and feldspar.

(247) Elaeolite is often found in association with minerals such as feldspar and pyroxene.

(248) The monzonitic texture is characterized by the presence of both feldspar and quartz.

(249) Sillimanite is often found in association with minerals such as quartz and feldspar.

(250) Inorganic compounds can be found in rocks and minerals, such as quartz and feldspar.

(251) The geologist identified the rock as felspathic due to its high content of feldspar.

(252) The composition of felsites can include minerals such as quartz, feldspar, and mica.

(253) Sodium is a key component of many minerals, including feldspar, zeolite, and halite.

(254) Epidotes are commonly found in association with minerals such as quartz and feldspar.

(255) Rutile is often found in association with other minerals such as quartz and feldspar.

(256) The petrographical analysis revealed the presence of quartz and feldspar in the rock.

(257) Micas are often found in association with other minerals such as quartz and feldspar.

(258) Trachyte is a fine-grained volcanic rock composed mainly of alkali feldspar minerals.

(259) Sericite can be found in association with other minerals such as quartz and feldspar.

(260) Syenite is a type of igneous rock that is composed of feldspar, hornblende, and mica.

(261) Biotite is often found in association with other minerals such as quartz and feldspar.

(262) The presence of plagioclastic feldspar in this sample suggests a granitic composition.

(263) Augite is often found in association with other minerals such as feldspar and olivine.

(264) The hornblendic anorthosite displayed a unique combination of feldspar and hornblende.

(265) The hornblendic monzonite showed a combination of plagioclase feldspar and hornblende.

(266) Sericite is often found in association with other minerals such as quartz and feldspar.

(267) The mineral composition of gabbro typically includes plagioclase feldspar and pyroxene.

(268) Chlorite is commonly found in association with other minerals like quartz and feldspar.

(269) The mineral composition of norite typically includes plagioclase feldspar and pyroxene.

(270) Kyanite is often found in association with other minerals, such as quartz and feldspar.

(271) Epidotes are often associated with other minerals such as quartz, feldspar, and garnet.

(272) Autunite is often found in association with other minerals such as quartz and feldspar.

(273) The porphyritic syenite contained large crystals of orthoclase feldspar and hornblende.

(274) Amazonite is a type of feldspar, and it is found in several countries around the world.

(275) The aplites in this region have a pinkish hue due to the presence of potassium feldspar.

(276) Hiddenite is often found in association with other minerals such as quartz and feldspar.

(277) Tanzanite is often found in association with other minerals such as quartz and feldspar.

(278) The mineral composition of basalts typically includes plagioclase feldspar and pyroxene.

(279) Hornblendes are often found in association with other minerals like feldspar and quartz.

(280) The lithological analysis revealed the presence of minerals such as quartz and feldspar.

(281) Hornblende is often found in association with other minerals such as quartz and feldspar.

(282) Anatase is commonly found in association with other minerals such as quartz and feldspar.

(283) Oligoclase is a plagioclase feldspar with a sodium-calcium aluminum silicate composition.

(284) The plagioclastic feldspar in this sample has a composition between albite and anorthite.

(285) The formation of epidotes is closely associated with the alteration of feldspar minerals.

(286) Clinochlore is often associated with other minerals such as quartz, feldspar, and garnet.

(287) Glauconite is often found in association with other minerals such as quartz and feldspar.

(288) Anorthosite is a type of igneous rock, and it is composed mainly of plagioclase feldspar.

(289) Chlorite is commonly found in association with other minerals such as quartz and feldspar.

(290) The size and shape of feldspar crystals can vary depending on the conditions of formation.

(291) Andesitic minerals such as plagioclase feldspar are commonly present in this type of rock.

(292) The granodiorite deposits in this region are rich in minerals such as quartz and feldspar.

(293) Spessartine is often found in association with other minerals such as quartz and feldspar.

(294) The diagenetic transformation of feldspar to clay minerals can occur in sedimentary rocks.

(295) The petrological analysis revealed the presence of quartz and feldspar in the rock sample.

(296) Allanite is commonly found in association with other minerals such as quartz and feldspar.

(297) Tremolites are often found in association with other minerals such as quartz and feldspar.

(298) Uraninites are often found in association with other minerals such as quartz and feldspar.

(299) Rutiles are commonly found in association with other minerals such as quartz and feldspar.

(300) Bleacherite is often found in association with other minerals such as quartz and feldspar.

(301) The petrographic analysis revealed the presence of quartz and feldspar in the rock sample.

(302) Pitchblende is often found in association with other minerals such as quartz and feldspar.

(303) The formation of perthite is a result of the exsolution of two different feldspar minerals.

(304) Muscovite is commonly found in association with other minerals such as quartz and feldspar.

(305) Perthite is commonly associated with other feldspar minerals such as orthoclase and albite.

(306) Babingtonite is often found in association with other minerals such as quartz and feldspar.

(307) Actinolites are often found in association with other minerals such as quartz and feldspar.

(308) Microcline is sometimes confused with other feldspar minerals such as albite or oligoclase.

(309) Hornblendes are often found in association with other minerals such as feldspar and quartz.

(310) Anorthite is commonly found in association with other minerals such as plagioclase feldspar.

(311) Paragonite is commonly found in association with other minerals such as quartz and feldspar.

(312) Although the rock was predominantly hornblendic, small traces of feldspar were also present.

(313) Anorthosites are a type of igneous rock that are primarily composed of plagioclase feldspar.

(314) Arkoses are sedimentary rocks that are composed of sand-sized grains of feldspar and quartz.

(315) The petrographical analysis revealed the presence of quartz and feldspar in the rock sample.

(316) Since amazonite is a type of feldspar, it is often found in granite and other igneous rocks.

(317) The porphyritic andesite contained large feldspar crystals embedded in a fine-grained matrix.

(318) The petrographical report described the rock as being composed mainly of quartz and feldspar.

(319) Clinopyroxene is often found in association with other minerals such as plagioclase feldspar.

(320) The petrographic examination revealed the presence of quartz and feldspar in the rock sample.

(321) The plagioclastic feldspar in this sample shows evidence of deformation during its formation.

(322) Babingtonites are often found in association with other minerals such as quartz and feldspar.

(323) The blueschist sample I analyzed contains traces of other minerals such as quartz and feldspar.

(324) The composition of eucrite is primarily composed of plagioclase feldspar and pyroxene minerals.

(325) The monzonitic composition of this rock indicates a mixture of plagioclase and alkali feldspar.

(326) The mineralogical composition of this rock consists mainly of augites and plagioclase feldspar.

(327) Amphibolite is a metamorphic rock that is composed mainly of amphibole and plagioclase feldspar.

(328) The abiogenic formation of minerals such as quartz and feldspar occurs through natural processes.

(329) Diorites are a type of igneous rock that are composed mainly of plagioclase feldspar and hornblende.

(330) Anorthosite, which is composed primarily of plagioclase feldspar, is often found in mountain ranges.

(331) The siliciclastic sedimentary rocks in this area are composed of quartz, feldspar, and clay minerals.

(332) The perthite in this sample is displaying a distinctive intergrowth of albite and orthoclase feldspar.

(333) The trachyte deposits in this area are rich in potassium feldspar, giving them a distinctive pink hue.

(334) Riebeckite is a mineral that is frequently associated with other minerals such as quartz and feldspar.

(335) The texture of andesite can be altered by the addition of other minerals, such as quartz and feldspar.

(336) The mineral composition of amphibolites includes amphibole, plagioclase feldspar, and sometimes quartz.

(337) Analcime can form as a result of the alteration of feldspar minerals in the presence of alkaline fluids.

(338) The skarn alteration in this rock is characterized by the replacement of feldspar by garnet and pyroxene.

(339) Granodiorite is composed of quartz, feldspar, and other minerals that give it its distinctive appearance.

(340) The sericite content in this soil sample suggests a weathering process involving the breakdown of feldspar.

(341) Clinopyroxenes are often found in association with other minerals such as plagioclase feldspar and olivine.

(342) The formation of epidotes is closely linked to the alteration of primary minerals like plagioclase feldspar.

(343) The spectroscopic analysis of the rock sample revealed the presence of minerals such as quartz and feldspar.

(344) Muscovite is a common mineral in granite and is often found alongside other minerals like quartz and feldspar.

(345) The identification of feldspar in a rock sample can provide valuable information about its geological history.

(346) The arkose sandstone was easily distinguishable from other types of sandstone due to its high feldspar content.

(347) Petrographic examination of this granite sample revealed the presence of large crystals of orthoclase feldspar.

(348) Dacites, which are intermediate in composition between rhyolites and andesites, often contain quartz and feldspar.

(349) The petrographic analysis of this sandstone revealed the presence of rounded quartz grains and feldspar fragments.

(350) The mineralogy of hornfels can vary widely, but it typically contains minerals such as quartz, feldspar, and mica.

(351) The mineral composition of anorthosites typically includes plagioclase feldspar and minor amounts of other minerals.

(352) Feldspars can exhibit a phenomenon called perthitic texture, where one feldspar mineral is intergrown within another.

(353) The size and shape of feldspar crystals can vary depending on the rate of cooling and the presence of other minerals.

(354) Petrographic studies have shown that the mineral composition of this gneiss is dominated by quartz, feldspar, and mica.

(355) The plagioclastic feldspar in this sample has a composition intermediate between sodium-rich and calcium-rich varieties.

(356) Anorthosite is composed of several minerals, including plagioclase feldspar and pyroxene, which give it its distinctive appearance.

(357) Although kyanite is not as well-known as other minerals like quartz or feldspar, it is still an important resource for many industries.

(358) Despite its many uses and applications, aragonite is not as well-known as other minerals like quartz or feldspar, which are more commonly used in construction and manufacturing.

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