| 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 |
 |
|
|