Vesuvianite and Carnelian Optical Properties

Vesuvianite

Carnelian

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1 Optical Properties

1.1 Luster

Vitreous, Resinous

Vitreous

1.2 Pleochroism

slight in colored varieties

AbsentWalter Schumann

1.3 Dispersion

NANone

0.007 1

1.4 Transparency

Not Available

Translucent, Transparent to nearly opaque

1.5 Refractive Index

1.703-1.7521.535-1.539

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

tetragonal

Trigonal

1.8 Birefringence

0.004-0.0060.003-0.009

0 0.296

1.9 Clarity

Not Available

Translucent

Vesuvianite and Carnelian Optic Character

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

Similar to their colors, Vesuvianite and Carnelian 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 is Not Available while Vesuvianite is Not Available in appearance.