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Jasper
Jasper
☒

Alunite
Alunite
☒



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Jasper
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Alunite
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Optical Properties

Luster

Pleochroism

Dispersion

Transparency

Refractive Index

Optic Character

Crystal System

Birefringence

Clarity

 
Vitreous
-
0.01
Opaque
1.540
-
Trigonal
-9999
OpaqueHerve Nicolas Lazzarelli
 
Vitreous, Pearly
-
0.02
-
1.572
-
Trigonal
0.020
-

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Semi Precious Gemstones

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