Bournonite
PbCu [SbS3][1]
Crystal properties |
|
Crystal growth method |
Natural source |
Crystal growth orientation |
(100) |
Maximum size |
5x10x20 mm |
Variations |
None |
Crystal properties |
|
Crystallographic structure |
a = 8,16 A |
|
b = 8,71 A |
|
c = 7,81 A |
Mineralogical synonyms |
None |
Twinning structure |
Twinfree |
Colour |
Metallic silver |
Density |
5,8 g/cm³ |
Melting point |
1200 °C |
Hardnes |
9 (Mohs) |