×

Rhodolite
Rhodolite

Andalusite
Andalusite



ADD
Compare
X
Rhodolite
X
Andalusite

Rhodolite and Andalusite Optical Properties

1 Optical Properties
1.1 Luster
Greasy, Vitreous
Vitreous, Greasy
1.2 Pleochroism
None
strongly trichroic
1.3 Dispersion
None0.02
Fluorite Optical Properties
0.007 1
1.4 Transparency
Gemmological Tables (2004)
Transparent, Translucent
1.5 Refractive Index
1.7601.627-1.650
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
cubic
Orthorhombic
1.8 Birefringence
0.010-0.0140.009-0.010
Achroite
0 0.296
1.9 Clarity
TransparentUlrich Henn and Claudio C. Milisenda
Transparent

Rhodolite and Andalusite Optic Character

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

Rhodolite and Andalusite Transparency

Similar to their colors, Rhodolite and Andalusite 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, Rhodolite is Gemmological Tables (2004) while Rhodolite is Gemmological Tables (2004) in appearance.