Morion and Tortoiseshell Optical Properties

Morion

Tortoiseshell

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1 Optical Properties

1.1 Luster

Not Available

1.2 Pleochroism

Definite: brown reddish-brownWalter Schumann

Not Available

1.3 Dispersion

0.01NA

0.007 1

1.4 Transparency

Transparent, Translucent

Gemmological Tables (2004)

1.5 Refractive Index

1.544-1.5531.540-1.560

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Not Available

1.8 Birefringence

0.009Not Available

0 0.296

1.9 Clarity

Transparent

OpaqueUlrich Henn and Claudio C. Milisenda

Morion and Tortoiseshell Optic Character

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

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Morion and Tortoiseshell Transparency

Similar to their colors, Morion 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, Morion is Translucent and Transparent while Morion is Translucent and Transparent in appearance.