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Dravite
Dravite

Zircon
Zircon



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Dravite
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Zircon

Dravite and Zircon Optical Properties

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1 Optical Properties
1.1 Luster
Vitreous
Adamantine
1.2 Pleochroism
Very strong: pale yellow colorless
Weak
1.3 Dispersion
0.020.04
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent
Transparent
1.5 Refractive Index
1.614-1.6661.810-2.024
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Trigonal Ditrigonal Pyramidal H-M Symbol (3m) Space Group: R 3m
tetragonal
1.8 Birefringence
0.014-0.0320.047-0.055
Achroite
0 0.296
1.9 Clarity
Transparent
Transparent

Dravite and Zircon Optic Character

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

Similar to their colors, Dravite and Zircon 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.