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Austinite
Austinite

Gypsum
Gypsum



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Austinite
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Gypsum

Austinite and Gypsum Optical Properties

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Optical Properties

Luster

Subadamantine, Silky
Vitreous, Silky, Pearly, Waxy

Pleochroism

-
None

Dispersion

0.030.01
0.005 1
👆🏻

Transparency

-
Transparent, Translucent

Refractive Index

1.7591.521-1.531
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Orthorhombic
monoclinic

Birefringence

0.0240.010
0 0.296
👆🏻

Clarity

-
Transparent

Austinite and Gypsum Optic Character

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

Similar to their colors, Austinite and Gypsum 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.