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Californite
Californite

Nuummite
Nuummite



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Californite
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Nuummite

Californite and Nuummite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous
Not Available
1.2 Pleochroism
Weak; present colour lighter
Not Available
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
1.700-1.7251.635-1.663
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Not Available
Not Available
1.8 Birefringence
0.001-0.0120.0170-0.230
Achroite
0 0.296
1.9 Clarity
TranslucentWalter Schumann
Gemmological Tables (2004) More from other references

Californite and Nuummite Optic Character

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

Similar to their colors, Californite and Nuummite 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.