×

Melanite
Melanite

Cryolite
Cryolite



ADD
Compare
X
Melanite
X
Cryolite

Melanite and Cryolite Optical Properties

Add ⊕
1 Optical Properties
1.1 Luster
Subadamantine, Vitreous
Vitreous, Greasy, Pearly
1.2 Pleochroism
Not Available
colorless.
1.3 Dispersion
0.06NA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Translucent
Gemmological Tables (2004) More from other references
1.5 Refractive Index
1.855-1.8951.338-1.339
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Not Available
monoclinic
1.8 Birefringence
Not Available0.001
Achroite
0 0.296
1.9 Clarity
Translucent
TransparentUlrich Henn and Claudio C. Milisenda

Melanite and Cryolite Optic Character

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

Melanite and Cryolite Transparency

Similar to their colors, Melanite and Cryolite 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, Melanite is Translucent while Melanite is Translucent in appearance.