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Kunzite
Kunzite

Proustite
Proustite



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Kunzite
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Proustite

Kunzite and Proustite Optical Properties

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1 Optical Properties
1.1 Luster
Vitreous
Adamantine
1.2 Pleochroism
Strong trichroism: colorless pink violetHerve Nicolas Lazzarelli
Moderate; cochineal-red to blood-red
1.3 Dispersion
0.02NA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent
OpaqueUlrich Henn and Claudio C. Milisenda, Gemmological Tables (2004) Rarely transparentMore from other references
1.5 Refractive Index
1.657-1.6812.792-3.087
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
monoclinic
Trigonal
1.8 Birefringence
0.014-0.0160.295-0.296
Achroite
0 0.296
1.9 Clarity
TransparentUlrich Henn and Claudio C. Milisenda
OpaqueUlrich Henn and Claudio C. Milisenda

Kunzite and Proustite Optic Character

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

Kunzite and Proustite Transparency

Similar to their colors, Kunzite and Proustite 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, Kunzite is Transparent while Kunzite is Transparent in appearance.