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Chalcocite - Mineral Properties and Uses

Uses

Chalcocite uses include: copper ore.

Color

black, blackish lead gray

Streak

grayish black

Luster

metallic

Diaphaneity

opaque

Cleavage

poor

Hardness

2.5 - 3

Specific Gravity

5.5 - 5.8

Distinguishing
Characteristics

color, soft, sooty appearance

Crystal System

monoclinic

Chalcocite Pictures

chalcocite
Chalcocite from Butte, Montana.
This specimen is approximately 3 inches (7.6 centimeters) across.

chalcocite
Chalcocite from Musina, South Africa.
Specimen is approximately 1 inch (2.5 centimeters) across.




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