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Adamite and Gahnospinel Optical Properties


Gahnospinel and Adamite Optical Properties


Optical Properties

Luster
Vitreous   
Vitreous   

Pleochroism
NilArthur Thomas   
AbsentWalter Schumann   

Dispersion
Not Available   
Not Available   

Transparency
Transparent   
Gemmological Tables (2004)   

Refractive Index
1.708-1.722   
1.735-1.790   

Optic Character
Biaxial/+   
Not Available   

Crystal System
Orthorhombic   
Isometric   

Birefringence
0.031-0.050   
Not Available   

Clarity
Transparent   
TransparentUlrich Henn and Claudio C. Milisenda   

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Adamite and Gahnospinel Optic Character

Adamite and Gahnospinel optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Adamite and Gahnospinel Physical Properties like crystallographic symmetry, pleochroism,etc. in the crystal. Some of the optical properties are refractive index, luster, optic character, pleochroism etc. Prominent among these is Adamite and Gahnospinel optic character. You might have noticed your gemologist rotating the gemstone while testing it. Rotating a gemstone along its optic axis helps in determining its optic character. Adamite has Biaxial/+ character.

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Adamite and Gahnospinel Transparency

Similar to their colors, Adamite and Gahnospinel transparency can also be used as criteria for their primary identification. Although transparency cannot be the only criteria for gemstone identification, it can efficiently used in gemstone grading. Talking about their transparency, Adamite is Transparent while Adamite is Transparent in appearance.

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