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Idocrase
Idocrase

Prasiolite
Prasiolite



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Idocrase
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Prasiolite

Idocrase and Prasiolite Optical Properties

Optical Properties

Luster

Pleochroism

Dispersion

Transparency

Refractive Index

Optic Character

Crystal System

Birefringence

Clarity

 
-
-
0.02
-
1.67-1.76
-
tetragonal
-9999
-
 
Vitreous
Very weak: light green pale greenWalter Schumann
0.01
Transparent, Translucent
1.544-1.553
-
Trigonal
0.009
Transparent

Idocrase and Prasiolite Optic Character

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

Similar to their colors, Idocrase and Prasiolite 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.