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Sussexite
Sussexite

Tortoiseshell
Tortoiseshell



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Sussexite
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Tortoiseshell

Sussexite and Tortoiseshell Optical Properties

1 Optical Properties
1.1 Luster
Fibrous, Pearly
Not Available
1.2 Pleochroism
Not Available
Not Available
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent
Gemmological Tables (2004)
1.5 Refractive Index
Not Available1.540-1.560
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Not Available
Not Available
1.8 Birefringence
Not AvailableNot Available
Achroite
0 0.296
1.9 Clarity
Transparent
OpaqueUlrich Henn and Claudio C. Milisenda

Sussexite and Tortoiseshell Optic Character

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

Sussexite and Tortoiseshell Transparency

Similar to their colors, Sussexite and Tortoiseshell 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, Sussexite is Transparent while Sussexite is Transparent in appearance.