Home
Gemstones


Humite and Cryolite Optical Properties


Cryolite and Humite Optical Properties


Optical Properties

Luster
Vitreous   
Vitreous, Greasy, Pearly   

Pleochroism
pale golden yellow or deep golden yellow.   
colorless.   

Dispersion
Not Available   
Not Available   

Transparency
Transparent   
Gemmological Tables (2004) More from other references   

Refractive Index
1.607-1.675   
1.338-1.339   

Optic Character
Not Available   
Not Available   

Crystal System
Orthorhombic   
monoclinic   

Birefringence
Not Available   
0.001   

Clarity
Transparent   
TransparentUlrich Henn and Claudio C. Milisenda   

Benefits >>
<< Physical Properties

Humite and Cryolite Optic Character

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

Compare Yellow Gemstones

Humite and Cryolite Transparency

Similar to their colors, Humite 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, Humite is Transparent while Humite is Transparent in appearance.

Yellow Gemstones

Yellow Gemstones


Compare Yellow Gemstones