Vesuvianite and Liddicoatite Optical Properties

Vesuvianite

Liddicoatite

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1 Optical Properties

1.1 Luster

Vitreous, Resinous

Vitreous

1.2 Pleochroism

slight in colored varieties

Strong: dark brown light brownAnthony et al

1.3 Dispersion

NANA

0.007 1

1.4 Transparency

Not Available

Transparent

1.5 Refractive Index

1.703-1.752Not Available

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

tetragonal

Not Available

1.8 Birefringence

0.004-0.006Not Available

0 0.296

1.9 Clarity

Not Available

Transparent

Vesuvianite and Liddicoatite Optic Character

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

Similar to their colors, Vesuvianite and Liddicoatite 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.