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Triplite
Triplite

Topaz
Topaz



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Optical Properties

Luster

Pleochroism

Dispersion

Transparency

Refractive Index

Optic Character

Crystal System

Birefringence

Clarity

 
Vitreous
DistinctArthur Thomas
0.04
Translucent
1.643-1.703
-
-
0.020
Translucent
 
Vitreous
Weak
0.01
Transparent
1.606-1.644
-
Orthorhombic
0.008-0.011
TransparentUlrich Henn and Claudio C. Milisenda