Home
×

Verdelite
Verdelite

Dravite
Dravite



ADD
Compare
X
Verdelite
X
Dravite

Verdelite and Dravite Optical Properties

Add ⊕
1 Optical Properties
1.1 Luster
Not Available
Vitreous
1.2 Pleochroism
Strong: dark green yellow
Very strong: pale yellow colorless
1.3 Dispersion
Albite Optical ..
0.02
Rank: 22 (Overall)
0.02
Rank: 22 (Overall)
Fluorite Optical Properties
1.4 Transparency
Transparent, Translucent
Transparent
1.5 Refractive Index
1.614-1.666
1.614-1.666
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Not Available
Trigonal Ditrigonal Pyramidal H-M Symbol (3m) Space Group: R 3m
1.8 Birefringence
0.014-0.040
0.014-0.032
1.9 Clarity
Transparent
Transparent

Verdelite and Dravite Optic Character

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

Verdelite and Dravite Transparency

Similar to their colors, Verdelite and Dravite 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, Verdelite is Translucent and Transparent while Verdelite is Translucent and Transparent in appearance.