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Sheen Obsidian
Sheen Obsidian

Phosphophyllite
Phosphophyllite



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Sheen Obsidian
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Phosphophyllite

Sheen Obsidian and Phosphophyllite Optical Properties

Optical Properties

Luster

-
-

Pleochroism

-
-

Dispersion

0.010.03
0.005 1
👆🏻

Transparency

Transparent, Translucent
-

Refractive Index

1.450-1.5501.595-1.621
1 3.25
👆🏻

Optic Character

-
-

Crystal System

-
-

Birefringence

-99990.021
0 0.296
👆🏻

Clarity

Transparent
TransparentUlrich Henn and Claudio C. Milisenda

Sheen Obsidian and Phosphophyllite Optic Character

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

Sheen Obsidian and Phosphophyllite Transparency

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