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Idocrase
Idocrase

Rutile
Rutile



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Idocrase
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Rutile

Idocrase and Rutile Optical Properties

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Optical Properties

Luster

-
Adamantine

Pleochroism

-
Weak to distinct brownish red-green-yellow

Dispersion

0.020.33
0.005 1
👆🏻

Transparency

-
Transparent, Translucent

Refractive Index

1.67-1.762.609-2.903
1 3.25
👆🏻

Optic Character

-
-

Crystal System

tetragonal
tetragonal

Birefringence

-99990.296
0 0.296
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Clarity

-
Transparent

Idocrase and Rutile Optic Character

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

Similar to their colors, Idocrase and Rutile 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.