Vesuvianite Idocrase and Omphacite Optical Properties

Vesuvianite Idocrase

Omphacite

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1 Optical Properties

1.1 Luster

Not Available

Vitreous

1.2 Pleochroism

Not Available

Weak: colorless -- very pale green -- very pale green

1.3 Dispersion

0.02NA

0.007 1

1.4 Transparency

Transparent

TranslucentAnthony et al, Handbook of mineralogy (2001)

1.5 Refractive Index

1.700-1.7251.662-1.723

1 3.25

1.6 Optic Character

Uniaxial/-

Not Available

1.7 Crystal System

Not Available

1.8 Birefringence

0.002-0.012Not Available

0 0.296

1.9 Clarity

Transparent

TranslucentAnthony et al

Vesuvianite Idocrase and Omphacite Optic Character

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

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Vesuvianite Idocrase and Omphacite Transparency

Similar to their colors, Vesuvianite Idocrase and Omphacite 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.