GRAPHITE
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Luster: Metallic |
Lab Book Description: |
Hardness: 1 |
Color silvery gray to black; Forms flakes, short hexagonical prisms, and earthy masses; Greasy feel; Very soft, Cleavage excellent in 1 direction; SG = 2.0 to 2.3 |
Streak: Dark gray |
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Appears on these flash cards: hardness of < 2.5 (less than 2.5); used as a lubricant and in sports equipment
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