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Sulphur
Sulphur
☒

Apatite
Apatite
☒



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Optical Properties

Luster

Pleochroism

Dispersion

Transparency

Refractive Index

Optic Character

Crystal System

Birefringence

Clarity

 
-
-
0.02
TranslucentWalter Schumann
1.958-2.245
-
-
0.291
TranslucentWalter Schumann
 
Vitreous
Blue stones – strong
0.01
-
1.628-1.651
-
Hexagonal
0.002-0.008
TransparentUlrich Henn and Claudio C. Milisenda

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Apatite Vs Wax Opal
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Garnet Mali
Apatite Vs Garnet Mali

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