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dendritic agate
dendritic agate

Grandidierite
Grandidierite



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dendritic agate
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Grandidierite
Optical Properties

Luster

Pleochroism

Dispersion

Transparency

Refractive Index

Optic Character

Crystal System

Birefringence

Clarity

 
-
-
0.01
TranslucentWalter Schumann
-9999
-
-
-9999
TranslucentWalter Schumann
 
Vitreous, Pearly
visible
0.04
-
1.578-1.639
-
Orthorhombic
0.037-0.039
-