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Druzy
Druzy

Dravite
Dravite



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Druzy
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Dravite

Druzy and Dravite Optical Properties

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Optical Properties

Luster

-
Vitreous

Pleochroism

-
Very strong: pale yellow colorless

Dispersion

0.010.02
0.005 1
👆🏻

Transparency

Opaque
Transparent

Refractive Index

-99991.614-1.666
1 3.25
👆🏻

Optic Character

-
-

Crystal System

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

Birefringence

-99990.014-0.032
0 0.296
👆🏻

Clarity

Opaque
Transparent

Druzy and Dravite Optic Character

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

Druzy and Dravite Transparency

Similar to their colors, Druzy 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, Druzy is Opaque while Druzy is Opaque in appearance.