×

Polyhalite
Polyhalite

Californite
Californite



ADD
Compare
X
Polyhalite
X
Californite

Polyhalite and Californite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous, Resinous
Vitreous
1.2 Pleochroism
Not Available
Weak; present colour lighter
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Not Available
TranslucentWalter Schumann, Gemstones of the world (2001)
1.5 Refractive Index
1.546-1.5481.700-1.725
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Triclinic
Not Available
1.8 Birefringence
0.0210.001-0.012
Achroite
0 0.296
1.9 Clarity
Not Available
TranslucentWalter Schumann

Polyhalite and Californite Optic Character

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

Polyhalite and Californite Transparency

Similar to their colors, Polyhalite and Californite 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, Polyhalite is Not Available while Polyhalite is Not Available in appearance.