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Star Sapphire
Star Sapphire

Sphalerite
Sphalerite



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Star Sapphire
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Sphalerite

Star Sapphire and Sphalerite Optical Properties

1 Optical Properties
1.1 Luster
Not Available
Adamantine
1.2 Pleochroism
Not Available
AbsentWalter Schumann
1.3 Dispersion
NA0.16
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent, Translucent
Transparent, Translucent
1.5 Refractive Index
1.758-1.7802.368-2.371
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Not Available
Isometric
1.8 Birefringence
0.007-0.010Not Available
Achroite
0 0.296
1.9 Clarity
Transparent
Transparent

Star Sapphire and Sphalerite Optic Character

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

Similar to their colors, Star Sapphire and Sphalerite 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.