Graphite

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Mineral class:Native Element
Composition:Carbon
Hardness:1-2
Luster:Greasy, Metallic, Vitreous, Pearly
Color:Dark or steel grey, black
Streak:Grey or black
Environment:High grade metamorphic rock
Uses:Pencils, Lubricants, Baseball bats, Golf clubs
Comments:Feels greasy. Will mark on paper; easily scratched by fingernail.

Graphite may occur in pure form as sparkly specks in a schist. If so, although the schist itself is hard, the specks of graphite crumble when individually pressed with a fingernail. [graphite.jpg] [carboniteOBU.jpg] [carbonite.jpg]