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Pyrobitumen

Solidified petroleum by polimerization. Pyrobitumen is brittle whereas asphalt is elastic.

(C, N, U, V, Pt, H, O, S)

• Variety: Thucholite (+U)

• Color: Black
• Streak: Black
• Luster: Resinous
• Diaphaneity: Opaque

• System: Amorphous