Manganotantalite and Snowflake Obsidian Optical Properties

Manganotantalite

Snowflake Obsidian

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1 Optical Properties

1.1 Luster

Not Available

1.2 Pleochroism

Sometimes strongArthur Thomas

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

2.19-2.341.450-1.550

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Not Available

1.8 Birefringence

0.015Not Available

0 0.296

1.9 Clarity

TransparentWalter Schumann

Transparent

Manganotantalite and Snowflake Obsidian Optic Character

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

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