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Californite
Californite

Grandidierite
Grandidierite



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Californite
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Grandidierite

Californite and Grandidierite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous
Vitreous, Pearly
1.2 Pleochroism
Weak; present colour lighter
visible
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
TranslucentWalter Schumann, Gemstones of the world (2001)
Gemmological Tables (2004) More from other references
1.5 Refractive Index
1.700-1.7251.578-1.639
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Not Available
Orthorhombic
1.8 Birefringence
0.001-0.0120.037-0.039
Achroite
0 0.296
1.9 Clarity
TranslucentWalter Schumann
Gemmological Tables (2004) More from other references

Californite and Grandidierite Optic Character

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

Californite and Grandidierite Transparency

Similar to their colors, Californite and Grandidierite 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, Californite is Gemstones of the world (2001) and TranslucentWalter Schumann while Californite is Gemstones of the world (2001) and TranslucentWalter Schumann in appearance.