Minerals & Rocks
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Rhyolite
Read more: RhyoliteRhyolite is an extrusive igneous rock characterized by its fine-grained or aphanitic texture, formed by the rapid cooling of high-silica magma. Its class is felsic, …
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Andesite
Read more: AndesiteAndesite is an extrusive igneous rock that falls within the intermediate category, situated between felsic and mafic rocks in terms of silica content. Its class …
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Dacite
Read more: DaciteDacite is an extrusive igneous rock that is predominantly felsic in composition, characterized by its intermediate to high silica content. It typically exhibits a fine-grained …
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Granite
Read more: GraniteGranite is a coarse-grained, intrusive igneous rock primarily composed of quartz, feldspar, and mica, making it a part of the plutonic class. Exhibiting a wide …
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Gabbro
Read more: GabbroGabbro is an intrusive igneous rock, part of the plutonic class, primarily composed of plagioclase feldspar, pyroxene, and occasionally olivine. Its coarse-grained or phaneritic texture …
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Peridotite
Read more: PeridotitePeridotite is an ultramafic, intrusive igneous rock that comprises the majority of Earth’s upper mantle. The rock exhibits a coarse-grained or phaneritic texture, with visible …
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Pyroxenite
Read more: PyroxenitePyroxenite is an intrusive igneous rock that belongs to the ultramafic category, characterized by its dark color and high magnesium and iron content. It is …
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Carbonate
Read more: CarbonateCarbonatite is an uncommon and intriguing igneous rock that is primarily composed of carbonate minerals, such as calcite, dolomite, and siderite. This sets it apart …
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Anorthosite
Read more: AnorthositeAnorthosite is an intrusive igneous rock that is predominantly composed of the mineral plagioclase feldspar. The rock exhibits a coarse-grained or phaneritic texture, with visible, …
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Quartz
Read more: QuartzQuartz is a silicate mineral belonging to the tectosilicates subclass, with its most common variety being macrocrystalline quartz. Renowned for its hexagonal crystal structure and …
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