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Dravite
Dravite

Anatase
Anatase



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Dravite
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Anatase

Dravite and Anatase Optical Properties

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Optical Properties

Luster

Pleochroism

Dispersion

Transparency

Refractive Index

Optic Character

Crystal System

Birefringence

Clarity

 
Vitreous
Very strong: pale yellow colorless
0.02
Transparent
1.614-1.666
-
Trigonal Ditrigonal Pyramidal H-M Symbol (3m) Space Group: R 3m
0.014-0.032
Transparent
 
Adamantine
Weak
0.21
Transparent
2.488-2.562
-
tetragonal
0.073
Transparent

Dravite and Anatase Optic Character

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

Similar to their colors, Dravite and Anatase 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 while Dravite is in appearance.