×

Dravite
Dravite

Chalcopyrite
Chalcopyrite



ADD
Compare
X
Dravite
X
Chalcopyrite

Dravite and Chalcopyrite Optical Properties

Optical Properties

Luster

Vitreous
-

Pleochroism

Very strong: pale yellow colorless
-

Dispersion

0.020.07
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
tetragonal

Birefringence

0.014-0.032-9999
0 0.296
👆🏻

Clarity

Transparent
-

Dravite and Chalcopyrite Optic Character

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

Similar to their colors, Dravite and Chalcopyrite 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.