×

Cryolite
Cryolite

Crocoite
Crocoite



ADD
Compare
X
Cryolite
X
Crocoite

Cryolite and Crocoite Optical Properties

Add ⊕
1 Optical Properties
1.1 Luster
Vitreous, Greasy, Pearly
Adamantine
1.2 Pleochroism
colorless.
Distinctly trichroic
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Gemmological Tables (2004) More from other references
Transparent
1.5 Refractive Index
1.338-1.3392.31-2.66
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
monoclinic
Monoclinic Prismatic H-M Symbol (2/m) Space Group: P 21/n
1.8 Birefringence
0.001Not Available
Achroite
0 0.296
1.9 Clarity
TransparentUlrich Henn and Claudio C. Milisenda
Transparent

Cryolite and Crocoite Optic Character

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

Cryolite and Crocoite Transparency

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