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Pumpellyite and Aragonite Optical Properties


Optical Properties

Luster
Vitreous, Resinous   
Fibrous   

Pleochroism
StrongArthur Thomas   
Not Available   

Dispersion
Not Available   
Not Available   

Transparency
Transparent, Translucent   
Gemmological Tables (2004)   

Refractive Index
1.525-1.686   
1.674-1.764   

Optic Character
Not Available   
Not Available   

Crystal System
Orthorhombic   
monoclinic   

Birefringence
0.155   
0.014-0.016   

Clarity
Transparent   
OpaqueUlrich Henn and Claudio C. Milisenda   

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