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Orthoclase
Orthoclase

Taaffeite
Taaffeite



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Orthoclase
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Taaffeite
Optical Properties

Luster

Pleochroism

Dispersion

Transparency

Refractive Index

Optic Character

Crystal System

Birefringence

Clarity

 
Vitreous, Pearly
colorless.
0.01
-
1.518-1.536
-
monoclinic
0.0050-0.0060
TransparentUlrich Henn and Claudio C. Milisenda
 
Vitreous
Weak
0.02
-
1.70-1.73
-
Hexagonal
0.055
-