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Pyrophyllite
Pyrophyllite

Californite
Californite



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Pyrophyllite
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Californite

Pyrophyllite and Californite Optical Properties

1 Optical Properties
1.1 Luster
Pearly
Vitreous
1.2 Pleochroism
NilArthur Thomas
Weak; present colour lighter
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Translucent
TranslucentWalter Schumann, Gemstones of the world (2001)
1.5 Refractive Index
1.534-1.6011.700-1.725
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Not Available
Not Available
1.8 Birefringence
0.0500.001-0.012
Achroite
0 0.296
1.9 Clarity
Translucent
TranslucentWalter Schumann

Pyrophyllite and Californite Optic Character

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

Pyrophyllite and Californite Transparency

Similar to their colors, Pyrophyllite 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, Pyrophyllite is Translucent while Pyrophyllite is Translucent in appearance.