Vesuvianite and Chlorapatite Optical Properties

Vesuvianite

Chlorapatite

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1 Optical Properties

1.1 Luster

Vitreous, Resinous

Not Available

1.2 Pleochroism

slight in colored varieties

Weak to moderate; in pale colors.Anthony et al

1.3 Dispersion

NANA

0.007 1

1.4 Transparency

Not Available

Transparent

1.5 Refractive Index

1.703-1.7521.665-1.667

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 Chlorapatite Optic Character

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

Similar to their colors, Vesuvianite and Chlorapatite 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.