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Malachite
Malachite

Moissanite
Moissanite



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Malachite
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Moissanite

Malachite and Moissanite Optical Properties

1 Optical Properties
1.1 Luster
Adamantine, Vitreous, Silky, Fibrous
Adamantine
1.2 Pleochroism
Not Available
NilArthur Thomas
1.3 Dispersion
None0.10
Fluorite Optical Properties
0.007 1
1.4 Transparency
Opaque
Gemmological Tables (2004) More from other references
1.5 Refractive Index
1.655-1.9092.648-2.691
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
monoclinic
6H polytype
1.8 Birefringence
0.2540.043
Achroite
0 0.296
1.9 Clarity
Gemmological Tables (2004) More from other references
TransparentUlrich Henn and Claudio C. Milisenda

Malachite and Moissanite Optic Character

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

Malachite and Moissanite Transparency

Similar to their colors, Malachite 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, Malachite is Opaque while Malachite is Opaque in appearance.