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Proustite
Proustite

Moissanite
Moissanite



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Proustite and Moissanite Optical Properties

1 Optical Properties
1.1 Luster
Adamantine
Adamantine
1.2 Pleochroism
Moderate; cochineal-red to blood-red
NilArthur Thomas
1.3 Dispersion
NA0.10
Fluorite Optical Properties
0.007 1
1.4 Transparency
OpaqueUlrich Henn and Claudio C. Milisenda, Gemmological Tables (2004) Rarely transparentMore from other references
Gemmological Tables (2004) More from other references
1.5 Refractive Index
2.792-3.0872.648-2.691
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Trigonal
6H polytype
1.8 Birefringence
0.295-0.2960.043
Achroite
0 0.296
1.9 Clarity
OpaqueUlrich Henn and Claudio C. Milisenda
TransparentUlrich Henn and Claudio C. Milisenda

Proustite and Moissanite Optic Character

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

Proustite and Moissanite Transparency

Similar to their colors, Proustite and Moissanite 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, Proustite is Gemmological Tables (2004) Rarely transparentMore from other references and OpaqueUlrich Henn and Claudio C. Milisenda while Proustite is Gemmological Tables (2004) Rarely transparentMore from other references and OpaqueUlrich Henn and Claudio C. Milisenda in appearance.