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Crocoite and Austinite Optical Properties


Austinite and Crocoite Optical Properties


Optical Properties

Luster
Adamantine   
Subadamantine, Silky, Fibrous   

Pleochroism
Distinctly trichroic   
Not Available   

Dispersion
Not Available   
Not Available   

Transparency
Transparent   
Not Available   

Refractive Index
2.31-2.66   
1.759   

Optic Character
Not Available   
Not Available   

Crystal System
Monoclinic Prismatic H-M Symbol (2/m) Space Group: P 21/n   
Orthorhombic   

Birefringence
Not Available   
0.024   

Clarity
Transparent   
Not Available   

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Crocoite and Austinite Optic Character

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

Similar to their colors, Crocoite and Austinite 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, Crocoite is Transparent while Crocoite is Transparent in appearance.

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