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Rock Crystal
Rock Crystal

Antigorite
Antigorite



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Rock Crystal
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Antigorite

Rock Crystal and Antigorite Optical Properties

Optical Properties

Luster

-
Waxy, Silky, Resinous, Greasy

Pleochroism

-
pale greenish yellow

Dispersion

0.010.02
0.005 1
👆🏻

Transparency

TransparentWalter Schumann
Translucent

Refractive Index

1.544-1.5531.530-1.575
1 3.25
👆🏻

Optic Character

-
-

Crystal System

-
Monoclinic Domatic H-M Symbol (m) Space Group: Cm

Birefringence

0.009-9999
0 0.296
👆🏻

Clarity

TransparentWalter Schumann
Translucent

Rock Crystal and Antigorite Optic Character

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

Rock Crystal and Antigorite Transparency

Similar to their colors, Rock Crystal and Antigorite 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, Rock Crystal is TransparentWalter Schumann while Rock Crystal is TransparentWalter Schumann in appearance.