Sphene, best known for its rich body colors, has a fire that exceeds diamonds. The gemstone can make remarkable pieces of jewellery when set and maintained properly. At the same time, Sphene possess gemological properties that make it a desirable piece for collectors as well as adventurous jewelry enthusiasts.
Mohs Scale Hardness
5.0 - 5.5
Specific Gravity
3.48 - 3.60
Birefringence
0.100 - 0.160
Refractive Index
nα = 1.843 - 1.950
nβ = 1.870 - 2.034
nγ = 1.943 - 2.110
