Tortoiseshell and Sarcopside Optical Properties

Tortoiseshell

Sarcopside

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1 Optical Properties

1.1 Luster

Not Available

Waxy

1.2 Pleochroism

Not Available

1.3 Dispersion

NANA

0.007 1

1.4 Transparency

Gemmological Tables (2004)

TranslucentAnthony et al, Handbook of mineralogy (2001)

1.5 Refractive Index

1.540-1.5601.670-1.734

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Not Available

1.8 Birefringence

Not AvailableNot Available

0 0.296

1.9 Clarity

OpaqueUlrich Henn and Claudio C. Milisenda

TranslucentAnthony et al

Tortoiseshell and Sarcopside Optic Character

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

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Tortoiseshell and Sarcopside Transparency

Similar to their colors, Tortoiseshell and Sarcopside 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, Tortoiseshell is Gemmological Tables (2004) while Tortoiseshell is Gemmological Tables (2004) in appearance.