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Ametrine
Ametrine

Zincite
Zincite



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Ametrine
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Zincite
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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
 
Subadamantine, Resinous
Very weak
0.16
TransparentRobert C. Kammerling
2.013-2.029
-
Hexagonal
0.016
TransparentRobert C. Kammerling