Antigorite and Transvaal Jade Optical Properties

Antigorite

Transvaal Jade

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1 Optical Properties

1.1 Luster

Waxy, Silky, Resinous, Greasy

Not Available

1.2 Pleochroism

pale greenish yellow.

Not Available

1.3 Dispersion

NA0.03

0.007 1

1.4 Transparency

Translucent

Gemmological Tables (2004)

1.5 Refractive Index

1.530-1.575Not Available

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

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

Not Available

1.8 Birefringence

Not AvailableNot Available

0 0.296

1.9 Clarity

Translucent

TransparentUlrich Henn and Claudio C. Milisenda

Antigorite and Transvaal Jade Optic Character

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

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Antigorite and Transvaal Jade Transparency

Similar to their colors, Antigorite and Transvaal Jade 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, Antigorite is Translucent while Antigorite is Translucent in appearance.