bismite
Sign in to saveBismite is a bismuth oxide mineral, bismuth trioxide or Bi2O3. It is a monoclinic mineral, but the typical form of occurrence is massive and clay-like with no macroscopic crystals. The color varies from green to yellow. It has a Mohs hardness of 4 to 5 and a specific gravity of 8.5 to 9.5, quite high for a nonmetallic mineral.
Key facts
- Mineral.name
- Bismite
- Mineral.image
- Bismite.jpg
- Mineral.imagesize
- 260px
- Mineral.caption
- Bismite
- Mineral.category
- Oxide minerals
- Mineral.formula
- Bi2O3
- Mineral.IMAsymbol
- Bis
- Mineral.strunz
- 4.CB.60
- Mineral.system
- Monoclinic
- Mineral.class
- Prismatic (2/m) (same H-M symbol)
- Mineral.symmetry
- P21/c
- Mineral.color
- Grey
- Mineral.fracture
- Uneven
- Mineral.streak
- Grey to black
via Wikipedia infobox
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Encyclopedic overview
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Bismite is a bismuth oxide mineral, bismuth trioxide or Bi2O3. It is a monoclinic mineral, but the typical form of occurrence is massive and clay-like with no macroscopic crystals. The color varies from green to yellow. It has a Mohs hardness of 4 to 5 and a specific gravity of 8.5 to 9.5, quite high for a nonmetallic mineral.
Bismite is a secondary oxidation zone mineral which forms from primary bismuth minerals.
Excerpted from Wikipedia’s “bismite” article, available under the CC BY-SA 4.0 licence.
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