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Elaeolite
Elaeolite

Cordierite Iolite
Cordierite Iolite



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Elaeolite
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Cordierite Iolite
Optical Properties

Luster

Pleochroism

Dispersion

Transparency

Refractive Index

Optic Character

Crystal System

Birefringence

Clarity

 
Greasy
-
0.01
-
-9999
-
-
-9999
-
 
Vitreous
Strong trichroism: colorless to yellowish
0.02
Transparent
1.542-1.578
Biaxial/+
-
0.008-0.012
Transparent