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Pumpellyite and Lizardite Optical Properties


Lizardite and Pumpellyite Optical Properties


Optical Properties

Luster
Fibrous   
Not Available   

Pleochroism
Not Available   
Not Available   

Dispersion
Not Available   
Not Available   

Transparency
Gemmological Tables (2004)   
TranslucentAnthony et al, Handbook of mineralogy (2001)   

Refractive Index
1.674-1.764   
1.538-1.560   

Optic Character
Not Available   
Not Available   

Crystal System
monoclinic   
Not Available   

Birefringence
0.014-0.016   
Not Available   

Clarity
OpaqueUlrich Henn and Claudio C. Milisenda   
TranslucentAnthony et al   

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Pumpellyite and Lizardite Optic Character

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

Similar to their colors, Pumpellyite and Lizardite 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, Pumpellyite is Gemmological Tables (2004) while Pumpellyite is Gemmological Tables (2004) in appearance.

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