Titanite (Sphene)

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Titanite, also known as sphene, is a mineral belonging to the…

Tektite

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Tektites are unique, glassy objects that have puzzled scientists…

Musgravite

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Musgravite is a rare and precious gemstone that belongs to the…

Pyroxene

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augite fassaiteaugite pyroxene mineralAugite Pyroxene…

Olivine

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Olivine is one of the most common minerals within the earth,…

Clay Minerals

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Clay minerals are a group of minerals that are typically found…

Tremolite

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Tremolite,Campolungo, Piumogna Valley, Switzerland…

Anthophyllite

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The name anthophyllite comes from the Latin word anthophyllum,…

Nepheline

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Nepheline – USGS Mineral Specimens Nepheline is the…

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-…