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Obsidian
Obsidian

Adamite
Adamite



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Obsidian
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Adamite

Obsidian and Adamite Optical Properties

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1 Optical Properties
1.1 Luster
Vitreous
Vitreous
1.2 Pleochroism
AbsentWalter Schumann
NilArthur Thomas
1.3 Dispersion
0.01NA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent, Translucent
Transparent
1.5 Refractive Index
1.450-1.5501.708-1.722
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Biaxial/+
1.7 Crystal System
Amorphous
Orthorhombic
1.8 Birefringence
Not Available0.031-0.050
Achroite
0 0.296
1.9 Clarity
Transparent
Transparent

Obsidian and Adamite Optic Character

Obsidian and Adamite optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Obsidian and Adamite 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 Adamite 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. Adamite has Biaxial/+ character.

Obsidian and Adamite Transparency

Similar to their colors, Obsidian and Adamite 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.