Name |
|
Cassiterite |
Chemistry |
|
SnO2 |
Hardness |
|
6 - 7 |
Lustre |
|
adamantine |
Colour |
|
brown, brownish black, colourless, green,
grey |
Streak |
|
brownish white |
Density [g/cm3] |
|
6.6 - 7.0 |
Crystal habit |
|
tetragonal, prismatic crystals |
Cleavage, Fracture |
|
[100] perfect, [110] indistinct, fracture
conchoidal to uneven |
other characteristics
and occurrences |
|
important tin ore, in primary
(pegmatites, hydrothermal vein) and secondary deposits (placer) |
|
|
|