Home
×

Dravite
Dravite

Cacoxenite
Cacoxenite



ADD
Compare
X
Dravite
X
Cacoxenite

Dravite and Cacoxenite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous
Silky
1.2 Pleochroism
Very strong: pale yellow colorless
visible: O = Pale yellow E = Canary yellow to yellow orange
1.3 Dispersion
Albite Optical ..
0.02
Rank: 22 (Overall)
Not Available
Rank: N/A (Overall)
Fluorite Optical Properties
1.4 Transparency
Transparent
Not Available
1.5 Refractive Index
1.614-1.666
1.575-1.585
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Trigonal Ditrigonal Pyramidal H-M Symbol (3m) Space Group: R 3m
Hexagonal
1.8 Birefringence
0.014-0.032
Not Available
1.9 Clarity
Transparent
Not Available

Dravite and Cacoxenite Optic Character

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

Similar to their colors, Dravite and Cacoxenite 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.