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Scapolite
Scapolite
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Sard
Sard
☒



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Scapolite
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Sard
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Optical Properties

Luster

Pleochroism

Dispersion

Transparency

Refractive Index

Optic Character

Crystal System

Birefringence

Clarity

 
-
-
0.02
-
1.540-1.579
-
tetragonal
0.006-0.037
TransparentUlrich Henn and Claudio C. Milisenda
 
Waxy
-
0.01
Translucent
1.535-1.539
-
-
0.008-0.010
Translucent

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Poudretteite
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Sard Vs Hureaulite

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