Bixbyite

Bixbyite

Chemical Formula:  (Mn,Fe)2O3

Chemical Composition:  Manganese iron oxide

Crystal System:  Cubic (isometeric)

Mineral Group:  Oxide minerals

Hardness:  6 — 6.5

Density/Specific Gravity:  4.95

Refractive Index:  2.51 – 2.56

Double Refraction:  Illegible

Colour:  Colour of streak black, black

Pleochroism: None

Transparency:  Opaque

Lustre:  Metallic

Luminescence:  Non-fluorescent

Cleavage:  [111] Imperfect

Fracture:  Irregular/uneven

Countries:  Deposits found in Argentina, India, Mexico, Patagonia, South Africa, Spain, Sweden, USA 

bixybite
Select your currency