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Pectolite and Crocoite Optical Properties


Crocoite and Pectolite Optical Properties


Optical Properties

Luster
Silky   
Adamantine   

Pleochroism
NilArthur Thomas   
Distinctly trichroic   

Dispersion
Not Available   
Not Available   

Transparency
Transparent   
Transparent   

Refractive Index
1.595-1.645   
2.31-2.66   

Optic Character
Not Available   
Not Available   

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

Birefringence
0.028-0.038   
Not Available   

Clarity
Transparent   
Transparent   

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Pectolite and Crocoite Optic Character

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

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

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