Linarite and Vesuvianite Idocrase Optical Properties

Linarite

Vesuvianite Idocrase

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1 Optical Properties

1.1 Luster

Sub-Adamantine, Vitreous

Not Available

1.2 Pleochroism

X = pale blue; Y = blue; Z = Prussian blue

Not Available

1.3 Dispersion

NA0.02

0.007 1

1.4 Transparency

Transparent

1.5 Refractive Index

1.809-1.8591.700-1.725

1 3.25

1.6 Optic Character

Not Available

Uniaxial/-

1.7 Crystal System

monoclinic

Not Available

1.8 Birefringence

0.0500.002-0.012

0 0.296

1.9 Clarity

Transparent

Linarite and Vesuvianite Idocrase Optic Character

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

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