Home
Gemstones


Sheen Obsidian and Hurlbutite Optical Properties


Hurlbutite and Sheen Obsidian Optical Properties


Optical Properties

Luster
Not Available   
Vitreous   

Pleochroism
Not Available   
Not Available   

Dispersion
Not Available   
Not Available   

Transparency
Transparent, Translucent   
Transparent   

Refractive Index
1.450-1.550   
1.595-1.604   

Optic Character
Not Available   
Not Available   

Crystal System
Not Available   
Monoclinic Prismatic H-M Symbol (2/m) Space Group: P 21/a   

Birefringence
Not Available   
0.009   

Clarity
Transparent   
Transparent   

Benefits >>
<< Physical Properties

Sheen Obsidian and Hurlbutite Optic Character

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

Compare Black Gemstones

Sheen Obsidian and Hurlbutite Transparency

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

Black Gemstones

Black Gemstones


Compare Black Gemstones