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Austinite
Austinite

Sunstone
Sunstone



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Austinite
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Sunstone

Austinite and Sunstone Optical Properties

Optical Properties

Luster

Subadamantine, Silky
Vitreous

Pleochroism

-
Weak or absentWalter Schumann

Dispersion

0.030.01
0.005 1
👆🏻

Transparency

-
Transparent, Translucent, Transparent to translucent

Refractive Index

1.7591.53-1.55
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Orthorhombic
Triclinic

Birefringence

0.0240.007-0.010
0 0.296
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Clarity

-
Transparent to translucent

Austinite and Sunstone Optic Character

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

Austinite and Sunstone Transparency

Similar to their colors, Austinite 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, Austinite is while Austinite is in appearance.