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Ametrine
Ametrine
☒

Fibrolite
Fibrolite
☒



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Ametrine
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Fibrolite
Optical Properties

Luster

Pleochroism

Dispersion

Transparency

Refractive Index

Optic Character

Crystal System

Birefringence

Clarity

 
Vitreous
-
0.01
Transparent
1.544-1.553
-
Trigonal
0.009
Transparent
 
-
DistinctArthur Thomas
0.02
Transparent
1.658-1.678
-
-
-9999
Transparent