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Enstatite
Enstatite

Dravite
Dravite



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Enstatite
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Dravite

Enstatite and Dravite Optical Properties

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Optical Properties

Luster

Vitreous, Pearly
Vitreous

Pleochroism

Pale green to pale orange
Very strong: pale yellow colorless

Dispersion

0.010.02
0.005 1
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Transparency

Transparent, Translucent
Transparent

Refractive Index

1.650-1.6801.614-1.666
1 3.25
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Optic Character

-
-

Crystal System

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

Birefringence

0.009-0.0110.014-0.032
0 0.296
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Clarity

Transparent
Transparent

Enstatite and Dravite Optic Character

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

Enstatite and Dravite Transparency

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