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Star Sapphire
Star Sapphire

Anhydrite
Anhydrite



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Star Sapphire
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Anhydrite

Star Sapphire and Anhydrite Optical Properties

1 Optical Properties
1.1 Luster
Not Available
Pearly, Greasy
1.2 Pleochroism
Not Available
For violet varieties
1.3 Dispersion
NA0.01
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent, Translucent
Transparent
1.5 Refractive Index
1.758-1.7801.570-1.614
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Not Available
Orthorhombic
1.8 Birefringence
0.007-0.0100.042-0.044
Achroite
0 0.296
1.9 Clarity
Transparent
Transparent

Star Sapphire and Anhydrite Optic Character

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

Similar to their colors, Star Sapphire and Anhydrite 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.