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Obsidian
Obsidian

Taaffeite
Taaffeite



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Obsidian
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Taaffeite

Obsidian and Taaffeite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous
Vitreous
1.2 Pleochroism
AbsentWalter Schumann
Weak
1.3 Dispersion
0.010.02
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent, Translucent
Gemmological Tables (2004) More from other references
1.5 Refractive Index
1.450-1.5501.70-1.73
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Amorphous
Hexagonal
1.8 Birefringence
Not Available0.055
Achroite
0 0.296
1.9 Clarity
Transparent
Color grading system

Obsidian and Taaffeite Optic Character

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

Similar to their colors, Obsidian and Taaffeite 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.