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Rutile
Rutile

Malachite
Malachite



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Rutile
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Malachite

Rutile and Malachite Optical Properties

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Optical Properties

Luster

Adamantine
Adamantine, Vitreous, Silky

Pleochroism

Weak to distinct brownish red-green-yellow
-

Dispersion

0.330.04
0.005 1
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Transparency

Transparent, Translucent
Opaque

Refractive Index

2.609-2.9031.655-1.909
1 3.25
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Optic Character

-
-

Crystal System

tetragonal
monoclinic

Birefringence

0.2960.254
0 0.296
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Clarity

Transparent
-

Rutile and Malachite Optic Character

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

Rutile and Malachite Transparency

Similar to their colors, Rutile and Malachite 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, Rutile is Transparent and Translucent while Rutile is Transparent and Translucent in appearance.