Manganese Oxide Mn2O3 type (maybe with Fe)
Mn2O3 (maybe with Fe)
|
Chemical name
Manganese Oxide Mn2O3 type (maybe with Fe) |
|
Mineral name
Bixbyite |
|
Chemical formula
Mn2O3 (maybe with Fe) |
|
Melting point [°C]
940 |
|
Crystal system
cubic |
|
Crystal Class
cubic-diploidal (2/m -3) |
|
Space Group
Ia3 |
|
Unit cell
a [Å]:9.41 b [Å]:9.41 c [Å]:9.41 |
|
Molecular weight [g/mol]
158,31 |
|
Formula units
Z=16 |
|
Twinning
penetration twinning on {111} |
|
Mohs hardness
6 - 6.5 |
|
Density [g/cm3]
4.95 |
|
Cleavage
imperfect on {111} |
|
Fracture / Tenacity
uneven to conchoidal |
|
Color
black |
|
Streak
black |
|
Transparency
opaque |
|
Luster
metallic |
|
Optical character
isotropic |
