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Chlorastrolite
Chlorastrolite

Apophyllite
Apophyllite



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Chlorastrolite
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Apophyllite
Optical Properties

Luster

Pleochroism

Dispersion

Transparency

Refractive Index

Optic Character

Crystal System

Birefringence

Clarity

 
Chatoyant
-
0.01
-
1.7
-
-
0.010
-
 
Vitreous, Pearly
Dichroic (colorless)
0.01
Transparent, Translucent
1.530-1.543
Uniaxial/-
tetragonal
0.000-0.003
Transparent