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Hurlbutite and Simpsonite Optical Properties


Simpsonite and Hurlbutite Optical Properties


Optical Properties

Luster
Vitreous   
Adamantine   

Pleochroism
Not Available   
NilArthur Thomas   

Dispersion
Not Available   
Not Available   

Transparency
Transparent   
Gemmological Tables (2004) More from other references   

Refractive Index
1.595-1.604   
1.994-2.040   

Optic Character
Not Available   
Not Available   

Crystal System
Monoclinic Prismatic H-M Symbol (2/m) Space Group: P 21/a   
Not Available   

Birefringence
0.009   
0.046   

Clarity
Transparent   
Gemmological Tables (2004) More from other references   

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Hurlbutite and Simpsonite Optic Character

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

Similar to their colors, Hurlbutite and Simpsonite 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, Hurlbutite is Transparent while Hurlbutite is Transparent in appearance.

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