×

Cassiterite
Cassiterite

Almandine
Almandine



ADD
Compare
X
Cassiterite
X
Almandine

Cassiterite and Almandine Optical Properties

1 Optical Properties
1.1 Luster
Adamantine, Greasy
Greasy, Vitreous
1.2 Pleochroism
Pleochroic haloes have been observed. Dichroic in yellow
None
1.3 Dispersion
0.070.03
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent, Translucent
Gemmological Tables (2004) More from other references
1.5 Refractive Index
1.990-2.1051.770-1.820
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
tetragonal
cubic
1.8 Birefringence
0.096-0.098Not Available
Achroite
0 0.296
1.9 Clarity
Transparent
TransparentUlrich Henn and Claudio C. Milisenda

Cassiterite and Almandine Optic Character

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

Cassiterite and Almandine Transparency

Similar to their colors, Cassiterite and Almandine 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, Cassiterite is Translucent and Transparent while Cassiterite is Translucent and Transparent in appearance.