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Sinhalite and Hemimorphite Optical Properties


Hemimorphite and Sinhalite Optical Properties


Optical Properties

Luster
Not Available   
Vitreous, Adamantine, Silky   

Pleochroism
Trichroism: green light brown dark brownHerve Nicolas Lazzarelli   
AbsentWalter Schumann   

Dispersion
0.02   
21
0.02   
18

Transparency
Gemmological Tables (2004) More from other references   
Transparent, Translucent   

Refractive Index
1.665-1.712   
1.614-1.636   

Optic Character
Not Available   
Not Available   

Crystal System
Orthorhombic   
Orthorhombic   

Birefringence
0.036-0.042   
0.022   

Clarity
TransparentUlrich Henn and Claudio C. Milisenda   
Transparent   

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Sinhalite and Hemimorphite Optic Character

Sinhalite and Hemimorphite optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Sinhalite and Hemimorphite 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 Sinhalite and Hemimorphite 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.

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Sinhalite and Hemimorphite Transparency

Similar to their colors, Sinhalite and Hemimorphite 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, Sinhalite is Gemmological Tables (2004) More from other references while Sinhalite is Gemmological Tables (2004) More from other references in appearance.

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