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Pyrope Almandine and Topaz Optical Properties


Topaz and Pyrope Almandine Optical Properties


Optical Properties

Luster
Not Available   
Vitreous   

Pleochroism
AbsentWalter Schumann   
Weak   

Dispersion
0.02   
16
0.01   
26

Transparency
TransparentGemdat.org, Management Team (2012)   
Transparent   

Refractive Index
1.73-1.77   
1.606-1.644   

Optic Character
Not Available   
Not Available   

Crystal System
Not Available   
Orthorhombic   

Birefringence
Not Available   
0.008-0.011   

Clarity
TransparentGemdat.org   
TransparentUlrich Henn and Claudio C. Milisenda   

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Pyrope Almandine and Topaz Optic Character

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

Similar to their colors, Pyrope Almandine and Topaz 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, Pyrope Almandine is Management Team (2012) and TransparentGemdat.org while Pyrope Almandine is Management Team (2012) and TransparentGemdat.org in appearance.

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