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Star Sapphire
Star Sapphire

Sunstone
Sunstone



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Star Sapphire
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Sunstone

Star Sapphire and Sunstone Optical Properties

1 Optical Properties
1.1 Luster
Not Available
Vitreous
1.2 Pleochroism
Not Available
Weak or absentWalter Schumann
1.3 Dispersion
NANone
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent, Translucent
Transparent, Translucent, Transparent to translucent
1.5 Refractive Index
1.758-1.7801.53-1.55
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Not Available
Triclinic
1.8 Birefringence
0.007-0.0100.007-0.010
Achroite
0 0.296
1.9 Clarity
Transparent
Transparent to translucent

Star Sapphire and Sunstone Optic Character

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

Similar to their colors, Star Sapphire and Sunstone 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.