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Obsidian
Obsidian

Transvaal Jade
Transvaal Jade



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Obsidian
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Transvaal Jade

Obsidian and Transvaal Jade Optical Properties

1 Optical Properties
1.1 Luster
Vitreous
Not Available
1.2 Pleochroism
AbsentWalter Schumann
Not Available
1.3 Dispersion
0.010.03
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent, Translucent
Gemmological Tables (2004)
1.5 Refractive Index
1.450-1.550Not Available
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Amorphous
Not Available
1.8 Birefringence
Not AvailableNot Available
Achroite
0 0.296
1.9 Clarity
Transparent
TransparentUlrich Henn and Claudio C. Milisenda

Obsidian and Transvaal Jade Optic Character

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

Obsidian and Transvaal Jade Transparency

Similar to their colors, Obsidian 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, Obsidian is Translucent and Transparent while Obsidian is Translucent and Transparent in appearance.