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Austinite
Austinite

Hureaulite
Hureaulite



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Austinite
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Hureaulite

Austinite and Hureaulite Optical Properties

Optical Properties

Luster

Subadamantine, Silky
Vitreous, Greasy

Pleochroism

-
Colorless yellow to pale rose reddish yellow to reddish brown.Anthony et al

Dispersion

0.030.02
0.005 1
👆🏻

Transparency

-
Transparent

Refractive Index

1.7591.647-1.667
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Orthorhombic
Monoclinic Prismatic H-M Symbol (2/m) Space Group: C 2/c

Birefringence

0.0240.012
0 0.296
👆🏻

Clarity

-
Transparent

Austinite and Hureaulite Optic Character

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

Similar to their colors, Austinite and Hureaulite 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.