| Name |
|
Antimonite
(Stibnite) |
| Chemistry |
|
Sb2S3 |
| Hardness |
|
2 |
| Lustre |
|
metallic |
| Colour |
|
lead grey, bluish lead grey or black |
| Streak |
|
dark lead grey |
| Density [g/cm3] |
|
4.6 - 4.7 |
| Crystal habit |
|
orthorhombic, crystals
bladed, acicular, often bent or curved (due to twinning) |
| Cleavage, Fracture |
|
[010] perfect |
| other characteristics
and occurrences |
|
metastibnite = amorphous,
red modification of Sb2S3, partly containing Pb |
 |
|
|