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Larvikite
Larvikite

Beryllonite
Beryllonite



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Larvikite
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Beryllonite
Optical Properties

Luster

Pleochroism

Dispersion

Transparency

Refractive Index

Optic Character

Crystal System

Birefringence

Clarity

 
Pearly
-
0.01
Transparent, Translucent
-9999
-
-
-9999
Transparent
 
Vitreous, Adamantine, Pearly
-
0.01
-
1.552-1.562
-
monoclinic
0.009
TransparentUlrich Henn and Claudio C. Milisenda