Home
×

Dravite
Dravite

Smithsonite
Smithsonite



ADD
Compare
X
Dravite
X
Smithsonite

Dravite and Smithsonite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous
Vitreous, Pearly
1.2 Pleochroism
Very strong: pale yellow colorless
AbsentWalter Schumann
1.3 Dispersion
Albite Optical ..
0.02
Rank: 22 (Overall)
0.01
Rank: 26 (Overall)
Fluorite Optical Properties
1.4 Transparency
Transparent
Translucent
1.5 Refractive Index
1.614-1.666
1.620-1.850
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Trigonal Ditrigonal Pyramidal H-M Symbol (3m) Space Group: R 3m
Trigonal
1.8 Birefringence
0.014-0.032
0.223-0.227
1.9 Clarity
Transparent
Translucent

Dravite and Smithsonite Optic Character

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

Similar to their colors, Dravite and Smithsonite 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.