Tantalite and Snowflake Obsidian Optical Properties

Tantalite

Snowflake Obsidian

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1 Optical Properties

1.1 Luster

Resinous

Not Available

1.2 Pleochroism

Not Available

1.3 Dispersion

NANA

0.007 1

1.4 Transparency

TransparentWalter Schumann, Gemstones of the world (2001) More from other references

Transparent, Translucent

1.5 Refractive Index

2.190-2.4571.450-1.550

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Orthorhombic

Not Available

1.8 Birefringence

0.083Not Available

0 0.296

1.9 Clarity

TransparentWalter Schumann

Transparent

Tantalite and Snowflake Obsidian Optic Character

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

Similar to their colors, Tantalite and Snowflake Obsidian 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, Tantalite is Gemstones of the world (2001) More from other references and TransparentWalter Schumann while Tantalite is Gemstones of the world (2001) More from other references and TransparentWalter Schumann in appearance.