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Snowflake Obsidian and Fayalite Optical Properties


Fayalite and Snowflake Obsidian Optical Properties


Optical Properties

Luster
Not Available   
Vitreous, Resinous   

Pleochroism
Not Available   
Faint   

Dispersion
Not Available   
Not Available   

Transparency
Transparent, Translucent   
TransparentAnthony et al, Handbook of mineralogy (2001)   

Refractive Index
1.450-1.550   
1.827-1.879   

Optic Character
Not Available   
Not Available   

Crystal System
Not Available   
Orthorhombic   

Birefringence
Not Available   
0.042-0.051   

Clarity
Transparent   
TransparentAnthony et al   

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<< Physical Properties

Snowflake Obsidian and Fayalite Optic Character

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

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Snowflake Obsidian and Fayalite Transparency

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

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