×

Aegirine
Aegirine

Cryolite
Cryolite



ADD
Compare
X
Aegirine
X
Cryolite

Aegirine and Cryolite Optical Properties

Add ⊕
1 Optical Properties
1.1 Luster
Vitreous, Resinous
Vitreous, Greasy, Pearly
1.2 Pleochroism
X = emerald green
colorless.
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Gemmological Tables (2004) More from other references
Gemmological Tables (2004) More from other references
1.5 Refractive Index
1.720-1.7781.338-1.339
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
monoclinic
monoclinic
1.8 Birefringence
0.037-0.0610.001
Achroite
0 0.296
1.9 Clarity
Gemmological Tables (2004) More from other references
TransparentUlrich Henn and Claudio C. Milisenda

Aegirine and Cryolite Optic Character

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

Aegirine and Cryolite Transparency

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