×

Phosphophyllite
Phosphophyllite

Cryolite
Cryolite



ADD
Compare
X
Phosphophyllite
X
Cryolite

Phosphophyllite and Cryolite Optical Properties

1 Optical Properties
1.1 Luster
Not Available
Vitreous, Greasy, Pearly
1.2 Pleochroism
NilArthur Thomas
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
1.595-1.6211.338-1.339
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Not Available
monoclinic
1.8 Birefringence
0.0210.001
Achroite
0 0.296
1.9 Clarity
TransparentUlrich Henn and Claudio C. Milisenda
TransparentUlrich Henn and Claudio C. Milisenda

Phosphophyllite and Cryolite Optic Character

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

Phosphophyllite and Cryolite Transparency

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