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Transvaal Jade
Transvaal Jade

Black Opal
Black Opal



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Transvaal Jade
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Black Opal

Transvaal Jade and Black Opal Optical Properties

1 Optical Properties
1.1 Luster
Not Available
Not Available
1.2 Pleochroism
Not Available
AbsentWalter Schumann
1.3 Dispersion
0.03None
Fluorite Optical Properties
0.007 1
1.4 Transparency
Gemmological Tables (2004)
Transparent, Translucent
1.5 Refractive Index
Not Available1.370-1.470
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Not Available
Not Available
1.8 Birefringence
Not AvailableNot Available
Achroite
0 0.296
1.9 Clarity
TransparentUlrich Henn and Claudio C. Milisenda
Transparent

Transvaal Jade and Black Opal Optic Character

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

Transvaal Jade and Black Opal Transparency

Similar to their colors, Transvaal Jade and Black Opal 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, Transvaal Jade is Gemmological Tables (2004) while Transvaal Jade is Gemmological Tables (2004) in appearance.