Tin Oxide Sphalerite type cubic
SnO2 (Sphalerite)
|
Chemical name
Tin Oxide Sphalerite type cubic |
|
Mineral name
Cassiterite |
|
Chemical formula
SnO2 (Sphalerite) |
|
Melting point [°C]
1800-1900 |
|
Crystal system
tetragonal |
|
Space Group
P42/mnm |
|
Unit cell
a [Å]:4.73 b [Å]:4.73 c [Å]:3.18 |
|
Molecular weight [g/mol]
150.69 |
|
Formula units
Z=2 |
|
Frequent crystal surfaces
(001), (100), (110), (111) |
|
Twinning
natural defects |
|
Mohs hardness
7 |
|
Density [g/cm3]
6.9 |
|
Color
dark yellow brownish |
|
Refractive Index
nω = 1.990–2.010 nε = 2.093–2.100 |
|
Crystal growth method
Natural |
|
Maximum size
up to 10 x 10 mm |
