×

Grossular
Grossular

Tantalite
Tantalite



ADD
Compare
X
Grossular
X
Tantalite

Grossular and Tantalite Optical Properties

1 Optical Properties
1.1 Luster
Greasy, Vitreous
Resinous
1.2 Pleochroism
None
Not Available
1.3 Dispersion
0.02NA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Gemmological Tables (2004) More from other references
TransparentWalter Schumann, Gemstones of the world (2001) More from other references
1.5 Refractive Index
1.730-1.7602.190-2.457
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
cubic
Orthorhombic
1.8 Birefringence
0.0200.083
Achroite
0 0.296
1.9 Clarity
TransparentUlrich Henn and Claudio C. Milisenda
TransparentWalter Schumann

Grossular and Tantalite Optic Character

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

Grossular and Tantalite Transparency

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