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Ettringite
Ettringite

Cymophane
Cymophane



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Ettringite
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Cymophane
Optical Properties

Luster

Pleochroism

Dispersion

Transparency

Refractive Index

Optic Character

Crystal System

Birefringence

Clarity

 
Vitreous
-
0.04
Transparent, Translucent
1.470-1.491
-
Trigonal
0.021
Transparent
 
-
-
0.01
Transparent
1.739-1.770
Biaxial/+
-
0.007-0.013
Transparent