Roger Weller, geology instructor
[email protected]
copyright 2010-R.Weller
Mineral
Information on:
bismuthinite
Chemical Group:
sulfide
Chemical Formula: Bi2S3
Color: lead-gray to tin white;
yellowish to tan tarnish
Streak: lead-gray
Hardness: 2
Specific Gravity: 6.4 to 6.5
Fracture:
Cleavage: 1 direction, perfect
Luster:
metallic
opaque
Crystal Forms:
Orthorhombic system
Mineral Habits: usually massive, foliated or fibrous
Mineral Associations:
Identifying Characteristics:
Uses: bismuth ore
Occurrences:
Toxicity: when-swallowed-
when inhaled-
Additional Information: sometimes called "bismuth glance"