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Mineral
Identification by Picture and Attribute
Explorers! Before you begin your journey, you need to recognize these geological specimens. |
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Begin by selecting one of the specimens pictured. |
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Inosilicates, Neosilicates, Sorosilicates |
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Oxides, Hydroxides, Carbonates |
Silicates |
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Name: Fluorite |
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Class: HALIDES |
Color
varies |
Chemical Formula: CaF2 |
Streak
white |
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Luster
glassy |
Hardness
4 |
Cleavage
4 directions |
Density
3 - 3.3 |
Crystal Form
Cubic (Octahedral) |
Common Uses / Other Facts: Ornamental use, as well as used to make hydrofluoric acid. |
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Sulfides and Sulfates |
Halides |
Organic |
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