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Moonstone
Moonstone

Malachite
Malachite



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Moonstone
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Malachite

Moonstone and Malachite Optical Properties

1 Optical Properties
1.1 Luster
Pearly
Adamantine, Vitreous, Silky, Fibrous
1.2 Pleochroism
AbsentWalter Schumann
Not Available
1.3 Dispersion
NoneNone
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent, Transparent to translucent
Opaque
1.5 Refractive Index
1.518-1.5271.655-1.909
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
monoclinic
monoclinic
1.8 Birefringence
0.006-0.0070.254
Achroite
0 0.296
1.9 Clarity
Transparent
Gemmological Tables (2004) More from other references

Moonstone and Malachite Optic Character

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

Moonstone and Malachite Transparency

Similar to their colors, Moonstone and Malachite 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, Moonstone is Transparent and Transparent to translucent while Moonstone is Transparent and Transparent to translucent in appearance.