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Idocrase
Idocrase

Petoskey Stone
Petoskey Stone



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Idocrase
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Petoskey Stone

Idocrase and Petoskey Stone Optical Properties

Optical Properties

Luster

-
-

Pleochroism

-
-

Dispersion

0.020.01
0.005 1
👆🏻

Transparency

-
-

Refractive Index

1.67-1.76-9999
1 3.25
👆🏻

Optic Character

-
-

Crystal System

tetragonal
Trigonal

Birefringence

-9999-9999
0 0.296
👆🏻

Clarity

-
-

Idocrase and Petoskey Stone Optic Character

Idocrase and Petoskey Stone optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Idocrase and Petoskey Stone 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 Idocrase and Petoskey Stone 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.

Idocrase and Petoskey Stone Transparency

Similar to their colors, Idocrase and Petoskey Stone 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, Idocrase is while Idocrase is in appearance.