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Whitlockite
Whitlockite

Antigorite
Antigorite



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Whitlockite
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Antigorite

Whitlockite and Antigorite Optical Properties

Optical Properties

Luster

Vitreous, Resinous
Waxy, Silky, Resinous, Greasy

Pleochroism

-
pale greenish yellow

Dispersion

0.040.02
0.005 1
👆🏻

Transparency

Transparent
Translucent

Refractive Index

-99991.530-1.575
1 3.25
👆🏻

Optic Character

-
-

Crystal System

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

Birefringence

-9999-9999
0 0.296
👆🏻

Clarity

Transparent
Translucent

Whitlockite and Antigorite Optic Character

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

Whitlockite and Antigorite Transparency

Similar to their colors, Whitlockite 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, Whitlockite is Transparent while Whitlockite is Transparent in appearance.