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Marcasite
Marcasite

Sinhalite
Sinhalite



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Marcasite
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Sinhalite
Optical Properties

Luster

Pleochroism

Dispersion

Transparency

Refractive Index

Optic Character

Crystal System

Birefringence

Clarity

 
-
-
0.05
-
-9999
-
-
-9999
-
 
-
Trichroism: green light brown dark brownHerve Nicolas Lazzarelli
0.02
-
1.665-1.712
-
Orthorhombic
0.036-0.042
TransparentUlrich Henn and Claudio C. Milisenda