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Rosasite
Rosasite

Albite
Albite



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X
Rosasite
X
Albite
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Optical Properties

Luster

Pleochroism

Dispersion

Transparency

Refractive Index

Optic Character

Crystal System

Birefringence

Clarity

 
Silky, Vitreous
Strong: X = pale emerald green or colourless; Y = dark emerald green or pale blue; Z = dark emerald green or pale blue
0.03
-
1.672-1.688
-
monoclinic
0.139-0.143
-
 
Vitreous, Pearly
colorless.
1.00
Transparent, Translucent
1.525-1.542
-
Triclinic
0.008-0.011
Transparent