Snowflake Obsidian and Tortoiseshell Optical Properties

Snowflake Obsidian

Tortoiseshell

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1 Optical Properties

1.1 Luster

Not Available

1.2 Pleochroism

Not Available

1.3 Dispersion

NANA

0.007 1

1.4 Transparency

Transparent, Translucent

Gemmological Tables (2004)

1.5 Refractive Index

1.450-1.5501.540-1.560

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

Transparent

OpaqueUlrich Henn and Claudio C. Milisenda

Snowflake Obsidian and Tortoiseshell Optic Character

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

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