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Golden Beryl
Golden Beryl

Tortoiseshell
Tortoiseshell



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Golden Beryl
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Tortoiseshell

Golden Beryl and Tortoiseshell Optical Properties

1 Optical Properties
1.1 Luster
Vitreous
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
1.57-1.581.540-1.560
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Hexagonal
Not Available
1.8 Birefringence
Not AvailableNot Available
Achroite
0 0.296
1.9 Clarity
Transparent
OpaqueUlrich Henn and Claudio C. Milisenda

Golden Beryl and Tortoiseshell Optic Character

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

Golden Beryl and Tortoiseshell Transparency

Similar to their colors, Golden Beryl 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, Golden Beryl is Transparent while Golden Beryl is Transparent in appearance.