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Glaucophane

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The Glaucophane mineral is named after two Greek…

Nepheline

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Nepheline – USGS Mineral Specimens Nepheline is the…

Aquamarine

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Aquamarine is a beautiful gemstone and a variety of the mineral…

Biotite

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Biotite is the most common mica mineral and also known as black…

Mica Group Minerals

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Muscovite schist_mica Mica Minerals …

Anorthoclase

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Anorthoclase minerals is member of the sodium-…

Natrolite

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Haineaultite-Analcime-Natrolite Bombay Quarry, Mumbai…

Hornblende

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Ferrohornblende Ferrohornblende Magnesio-hornblende…

Perlite

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Perlite is a naturally occurring volcanic glass that has been…

Pyromorphite

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Pyromorphite is a secondary lead mineral that forms in the oxidation…

Aragonite

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Aragonite crystals. Aragonite is a variant of calcium carbonate,…

Cacoxenite

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Cacoxenite is a mineral that is primarily composed of iron, aluminum,…