The mineral native antimony

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AntimonyNet

Shenyang, China

PHYSICAL CHARACTERISTICS:
Color is tin-white to a steel gray which can tarnish to darker grays.
Luster is metallic but the tarnish will often dull the luster.
Transparency: Crystals are opaque.
Crystal System is trigonal; bar 3 2/m
Crystal Habits include pseudocubic rhombohedral crystals. More commonly found massive, botryoidal, lamellar and radiating.
Cleavage is perfect in one direction (basal).
Fracture is uneven.
Hardness is 3 - 3.5
Specific Gravity is 6.6 - 6.7+(heavy for a metallic mineral)
Streak is tin-white to gray.
Associated Minerals include sphalerite, stibnite and nickeline.
Other Characteristics: Does not have a garlic odor.
Notable Natural Occurrences include Chihuahua, Mexico; Wolfe Co., Quebec, Canada and Kern Co., California, USA.
Best Field Indicators are density, softness, color, crystal habits, lack of smell and associations.

AntimonyNet

Shenyang, China

more about information please click http://www.antimonynet.com

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