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Rhodolite
Rhodolite

Tantalite
Tantalite



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Rhodolite
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Tantalite
Optical Properties

Luster

Pleochroism

Dispersion

Transparency

Refractive Index

Optic Character

Crystal System

Birefringence

Clarity

 
Greasy, Vitreous
None
0.03
-
1.760
-
cubic
0.010-0.014
TransparentUlrich Henn and Claudio C. Milisenda
 
Resinous
-
0.03
TransparentWalter Schumann
2.190-2.457
-
Orthorhombic
0.083
TransparentWalter Schumann