Difference between revisions of "Template:Sphene"

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| Specific gravity || 3.45-3.55
 
| Specific gravity || 3.45-3.55
 
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| Lustre || resonous to sub-adamantine
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| Lustre || resinous to sub-adamantine
 
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|-
 
| Pleochroism || distinct to strong
 
| Pleochroism || distinct to strong
 
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Revision as of 14:12, 6 December 2006

Sphene
Chemical composition CaTiOSiO4
Crystal system monoclinic
Habit wedge shaped, massive
Cleavage distinct, prismatic
Fracture conchoidal
Hardness 5.0-5.5
Optic nature biaxial +
Refractive index 1.880-2.099
Birefringence 0.100-0.135
Dispersion high, 0.051
Specific gravity 3.45-3.55
Lustre resinous to sub-adamantine
Pleochroism distinct to strong