×

Pollucite
Pollucite

Dallasite
Dallasite



ADD
Compare
X
Pollucite
X
Dallasite

Pollucite and Dallasite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous, Greasy
Not Available
1.2 Pleochroism
Not Available
Not Available
1.3 Dispersion
0.01NA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent, Translucent
Not Available
1.5 Refractive Index
1.517-1.5251.540
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Isometric
Not Available
1.8 Birefringence
Not Available0.008-0.010
Achroite
0 0.296
1.9 Clarity
Transparent
Not Available

Pollucite and Dallasite Optic Character

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

Pollucite and Dallasite Transparency

Similar to their colors, Pollucite and Dallasite 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, Pollucite is Translucent and Transparent while Pollucite is Translucent and Transparent in appearance.