×

Taaffeite
Taaffeite

Cassiterite
Cassiterite



ADD
Compare
X
Taaffeite
X
Cassiterite

Taaffeite and Cassiterite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous
Adamantine, Greasy
1.2 Pleochroism
Weak
Pleochroic haloes have been observed. Dichroic in yellow
1.3 Dispersion
0.020.07
Fluorite Optical Properties
0.007 1
1.4 Transparency
Gemmological Tables (2004) More from other references
Transparent, Translucent
1.5 Refractive Index
1.70-1.731.990-2.105
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Hexagonal
tetragonal
1.8 Birefringence
0.0550.096-0.098
Achroite
0 0.296
1.9 Clarity
Color grading system
Transparent

Taaffeite and Cassiterite Optic Character

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

Taaffeite and Cassiterite Transparency

Similar to their colors, Taaffeite and Cassiterite 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, Taaffeite is Gemmological Tables (2004) More from other references while Taaffeite is Gemmological Tables (2004) More from other references in appearance.