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Variety/Type Of: Fossil tree resin

Chemical Classification: 

Color: Yellow-orange-brown, pale lemon yellow, red, brown, nearly black; rarely blue or green

Streak: White

Luster: Resinous

Cleavage: None

Hardness: 2 to 2.5

Specific Gravity: 1.05 to 1.10

Chemical Composition: C10H16O

Crystal System: Amorphous Solid

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