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Pyrophyllite
Pyrophyllite
☒

Tanzanite
Tanzanite
☒



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Pyrophyllite
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Tanzanite
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Optical Properties

Luster

Pleochroism

Dispersion

Transparency

Refractive Index

Optic Character

Crystal System

Birefringence

Clarity

 
Pearly
-
0.05
Translucent
1.534-1.601
-
-
0.050
Translucent
 
Vitreous
Present
0.03
Transparent, Translucent, Transparent to translucent
1.685-1.707
-
Orthorhombic
0.006-0.018
TransparentUlrich Henn and Claudio C. Milisenda

Compare Blue Gemstones

Blue Gemstones

Serendibite
Serendibite
Shattuckite
Shattuckite
Sillimanite
Sillimanite
Tanzanite
Rubellite
Tanzanite Vs Rubellite
Tanzanite
Sanidine
Tanzanite Vs Sanidine
Tanzanite
Sard
Tanzanite Vs Sard

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