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Star Sapphire
Star Sapphire

Pyrope Almandine
Pyrope Almandine



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Star Sapphire
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Pyrope Almandine

Star Sapphire and Pyrope Almandine Optical Properties

1 Optical Properties
1.1 Luster
Not Available
Not Available
1.2 Pleochroism
Not Available
AbsentWalter Schumann
1.3 Dispersion
NA0.02
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent, Translucent
TransparentGemdat.org, Management Team (2012)
1.5 Refractive Index
1.758-1.7801.73-1.77
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Not Available
Not Available
1.8 Birefringence
0.007-0.010Not Available
Achroite
0 0.296
1.9 Clarity
Transparent
TransparentGemdat.org

Star Sapphire and Pyrope Almandine Optic Character

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

Star Sapphire and Pyrope Almandine Transparency

Similar to their colors, Star 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, Star Sapphire is Translucent and Transparent while Star Sapphire is Translucent and Transparent in appearance.