Name |
|
Rhodonite |
Chemistry |
|
CaMn4[Si5O15] |
Hardness |
|
5.5 - 6.5 |
Lustre |
|
vitreous |
Colour |
|
pink red, red, brownish red, black |
Streak |
|
white |
Density [g/cm3] |
|
3.3 - 3.5 |
Crystal habit |
|
triclinic, crystals rarely |
Cleavage, Fracture |
|
[001], [100] perfect, fracture conchoidal |
other characteristics
and occurrences |
|
massive, coarse, spathic
to dense or grained, in manganese ore deposits |
|
|
|