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Adamite
Adamite

Rubellite
Rubellite



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Adamite
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Rubellite

Adamite and Rubellite Optical Properties

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Optical Properties

Luster

Vitreous
-

Pleochroism

-
Strong: dark red pinkish-redHerve Nicolas Lazzarelli

Dispersion

0.060.02
0.005 1
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Transparency

Transparent
Transparent, Translucent

Refractive Index

1.708-1.7221.614-1.666
1 3.25
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Optic Character

Biaxial/+
-

Crystal System

Orthorhombic
-

Birefringence

0.031-0.0500.014-0.040
0 0.296
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Clarity

Transparent
Transparent

Adamite and Rubellite Optic Character

Adamite and Rubellite optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Adamite and Rubellite 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 Adamite and Rubellite 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. Adamite has Biaxial/+ character.

Adamite and Rubellite Transparency

Similar to their colors, Adamite and Rubellite 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, Adamite is Transparent while Adamite is Transparent in appearance.