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Pyrope Almandine
Pyrope Almandine

Andesine
Andesine



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Pyrope Almandine
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Andesine

Pyrope Almandine and Andesine Optical Properties

1 Optical Properties
1.1 Luster
Not Available
Vitreous
1.2 Pleochroism
AbsentWalter Schumann
colorless.
1.3 Dispersion
0.020.70
Fluorite Optical Properties
0.007 1
1.4 Transparency
TransparentGemdat.org, Management Team (2012)
Transparent, Translucent, Transparent to translucent
1.5 Refractive Index
1.73-1.771.543-1.564
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Biaxial/+
1.7 Crystal System
Not Available
Triclinic
1.8 Birefringence
Not Available0.007-0.011
Achroite
0 0.296
1.9 Clarity
TransparentGemdat.org
Transparent

Pyrope Almandine and Andesine Optic Character

Pyrope Almandine and Andesine optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Pyrope Almandine and Andesine 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 Andesine 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. Andesine has Biaxial/+ character.

Pyrope Almandine and Andesine Transparency

Similar to their colors, Pyrope Almandine and Andesine 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.