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Hematite and Adamite Optical Properties


Optical Properties

Luster
Vitreous   
Not Available   

Pleochroism
NilArthur Thomas   
O = brownish red; E = yellowish red   

Dispersion
Not Available   
Not Available   

Transparency
Transparent   
OpaqueHerve Nicolas Lazzarelli, Blue Chart Gem Identification (2010) More from other references   

Refractive Index
1.708-1.722   
2.690-3.220   

Optic Character
Biaxial/+   
Not Available   

Crystal System
Orthorhombic   
Trigonal   

Birefringence
0.031-0.050   
0.280   

Clarity
Transparent   
OpaqueHerve Nicolas Lazzarelli   

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