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Sapphire
Sapphire

Pyrope Almandine
Pyrope Almandine



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Pyrope Almandine

Sapphire and Pyrope Almandine Optical Properties

1 Optical Properties
1.1 Luster
Vitreous, Adamantine, Vitreous, Adamantine
Not Available
1.2 Pleochroism
Strong
AbsentWalter Schumann
1.3 Dispersion
Albite Optical ..
0.02
Rank: 21 (Overall)
0.02
Rank: 16 (Overall)
Fluorite Optical Properties
1.4 Transparency
Transparent, Translucent, Transparent to opaque
TransparentGemdat.org, Management Team (2012)
1.5 Refractive Index
1.762-1.788
1.73-1.77
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Trigonal
Not Available
1.8 Birefringence
0.008-0.009
Not Available
1.9 Clarity
Transparent
TransparentGemdat.org

Sapphire and Pyrope Almandine Optic Character

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

Sapphire and Pyrope Almandine Transparency

Similar to their colors, Sapphire and Pyrope Almandine 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, Sapphire is Translucent, Transparent and Transparent to opaque while Sapphire is Translucent, Transparent and Transparent to opaque in appearance.