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Dravite
Dravite

Dendrite crystal
Dendrite crystal



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Dravite
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Dendrite crystal

Dravite and Dendrite crystal Optical Properties

Optical Properties

Luster

Vitreous
-

Pleochroism

Very strong: pale yellow colorless
-

Dispersion

0.020.01
0.005 1
👆🏻

Transparency

Transparent
-

Refractive Index

1.614-1.666-9999
1 3.25
👆🏻

Optic Character

-
-

Crystal System

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

Birefringence

0.014-0.032-9999
0 0.296
👆🏻

Clarity

Transparent
-

Dravite and Dendrite crystal Optic Character

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

Similar to their colors, Dravite and Dendrite crystal 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.