Mineral Identification

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Learn and identify minerals as they are the foundation of Geology.

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18 Terms

1
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Graphite

Gray, metallic luster, greasy, soft hardness

<p>Gray, metallic luster, greasy, soft hardness</p>
2
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Halite

colorless, vitreous luster, soft hardness

<p>colorless, vitreous luster, soft hardness</p>
3
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Talc

softest mineral, white/grey/pink, greasy luster, masses are opaque

<p>softest mineral, white/grey/pink, greasy luster, masses are opaque</p>
4
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Biotite

black, 2.5-3 hardness, opaque, vitreous luster

<p>black, 2.5-3 hardness, opaque, vitreous luster</p>
5
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Hematite

black-reddish-brown color, metallic/dull luster, extremely hard

<p>black-reddish-brown color, metallic/dull luster, extremely hard</p>
6
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Olivine

olive green, 6.5-7 hardness, glassy luster

<p>olive green, 6.5-7 hardness, glassy luster</p>
7
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Calcite

white or colorless, range from vitreous to dull luster, 3 hardness

<p>white or colorless, range from vitreous to dull luster, 3 hardness</p>
8
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Augite

black-brown, vitreous/dull luster, 5.5-6 hardness

<p>black-brown, vitreous/dull luster, 5.5-6 hardness</p>
9
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Quartz

vitreous, glassy luster, greasy sometimes, 7 hardness, white, gray, purple, ect.

<p>vitreous, glassy luster, greasy sometimes, 7 hardness, white, gray, purple, ect.</p>
10
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Garnet

red-range-yellow-green, opaque, vitreous luster, 6.5-7.5 hardness

<p>red-range-yellow-green, opaque, vitreous luster, 6.5-7.5 hardness</p>
11
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Pyrite

brassy yellow, metallic luster, 6-6.5 hardness, dense

<p>brassy yellow, metallic luster, 6-6.5 hardness, dense</p>
12
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Fluorite

pure fluorite is colorless, this is green, white, yellow, 4.0 hardness, kind of vitreous

<p>pure fluorite is colorless, this is green, white, yellow, 4.0 hardness, kind of vitreous</p>
13
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Potassium Feldspar (K-spar)

pink, white, reddish, 6 hardness, nonmetallic luster

<p>pink, white, reddish, 6 hardness, nonmetallic luster</p>
14
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Muscovite

colorless, transparent, 2-2.25 hardness, pearly luster

<p>colorless, transparent, 2-2.25 hardness, pearly luster</p>
15
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Galena

lead gray, metallic luster, opaque, dense, 2.5 hardness

<p>lead gray, metallic luster, opaque, dense, 2.5 hardness</p>
16
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Gypsum (selenite)

white, colorless, translucent, 2 hardness, silky luster

<p>white, colorless, translucent, 2 hardness, silky luster</p>
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Magnetite

black-brown, metallic luster, magnetic, 5-6 hardness

<p>black-brown, metallic luster, magnetic, 5-6 hardness</p>
18
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Hornblende

dark green-brown-black, opaque, 5-6 hardness, vitreous/submetallic luster

<p>dark green-brown-black, opaque, 5-6 hardness, vitreous/submetallic luster</p>