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Pyrope Almandine and Apatite Optical Properties


Apatite and Pyrope Almandine Optical Properties


Optical Properties

Luster
Not Available   
Vitreous   

Pleochroism
AbsentWalter Schumann   
Blue stones – strong   

Dispersion
0.02   
16
0.01   
27

Transparency
TransparentGemdat.org, Management Team (2012)   
Gemmological Tables (2004) More from other references   

Refractive Index
1.73-1.77   
1.628-1.651   

Optic Character
Not Available   
Not Available   

Crystal System
Not Available   
Hexagonal   

Birefringence
Not Available   
0.002-0.008   

Clarity
TransparentGemdat.org   
TransparentUlrich Henn and Claudio C. Milisenda   

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Pyrope Almandine and Apatite Optic Character

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

Similar to their colors, Pyrope Almandine and Apatite 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.

Red Gemstones

Red Gemstones


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