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Dravite
Dravite

Moroxite
Moroxite



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Dravite
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Moroxite

Dravite and Moroxite Optical Properties

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Optical Properties

Luster

Vitreous
-

Pleochroism

Very strong: pale yellow colorless
-

Dispersion

0.020.04
0.005 1
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Transparency

Transparent
-

Refractive Index

1.614-1.6661.628-1.651
1 3.25
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Optic Character

-
-

Crystal System

Trigonal Ditrigonal Pyramidal H-M Symbol (3m) Space Group: R 3m
-

Birefringence

0.014-0.0320.002-0.008
0 0.296
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Clarity

Transparent
TransparentUlrich Henn and Claudio C. Milisenda

Dravite and Moroxite Optic Character

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

Dravite and Moroxite Transparency

Similar to their colors, Dravite and Moroxite 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, Dravite is Transparent while Dravite is Transparent in appearance.