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Pectolite and Rhodolite Optical Properties


Rhodolite and Pectolite Optical Properties


Optical Properties

Luster
Silky   
Greasy, Vitreous   

Pleochroism
NilArthur Thomas   
None   

Dispersion
Not Available   
None   

Transparency
Transparent   
Gemmological Tables (2004)   

Refractive Index
1.595-1.645   
1.760   

Optic Character
Not Available   
Not Available   

Crystal System
Triclinic   
cubic   

Birefringence
0.028-0.038   
0.010-0.014   

Clarity
Transparent   
TransparentUlrich Henn and Claudio C. Milisenda   

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Pectolite and Rhodolite Optic Character

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

Similar to their colors, Pectolite and Rhodolite 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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