Vesuvianite Idocrase and Inderite Optical Properties

Vesuvianite Idocrase

Inderite

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1 Optical Properties

1.1 Luster

Not Available

Vitreous, Pearly, Greasy

1.2 Pleochroism

Not Available

1.3 Dispersion

0.02NA

0.007 1

1.4 Transparency

Transparent

Gemmological Tables (2004)

1.5 Refractive Index

1.700-1.7251.488-1.505

1 3.25

1.6 Optic Character

Uniaxial/-

Biaxial/+

1.7 Crystal System

Not Available

Monoclinic Prismatic H-M Symbol (2/m) Space Group: P 21/a

1.8 Birefringence

0.002-0.0120.017

0 0.296

1.9 Clarity

Transparent

TransparentUlrich Henn and Claudio C. Milisenda

Vesuvianite Idocrase and Inderite Optic Character

Vesuvianite Idocrase and Inderite optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Vesuvianite Idocrase and Inderite 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 Vesuvianite Idocrase and Inderite 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. Vesuvianite Idocrase has Uniaxial/- character.Inderite has Biaxial/+ character.

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Vesuvianite Idocrase and Inderite Transparency

Similar to their colors, Vesuvianite Idocrase and Inderite 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, Vesuvianite Idocrase is Transparent while Vesuvianite Idocrase is Transparent in appearance.