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Pyrope Almandine and Purpurite Optical Properties


Purpurite and Pyrope Almandine Optical Properties


Optical Properties

Luster
Not Available   
Not Available   

Pleochroism
AbsentWalter Schumann   
StrongArthur Thomas   

Dispersion
0.02   
16
Not Available   

Transparency
TransparentGemdat.org, Management Team (2012)   
TranslucentWalter Schumann, Gemstones of the world (2001) More from other references   

Refractive Index
1.73-1.77   
1.85-1.92   

Optic Character
Not Available   
Not Available   

Crystal System
Not Available   
Orthorhombic   

Birefringence
Not Available   
0.070   

Clarity
TransparentGemdat.org   
TranslucentWalter Schumann   

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Pyrope Almandine and Purpurite Optic Character

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

Similar to their colors, Pyrope Almandine and Purpurite 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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Red Gemstones


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