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Moonstone
Moonstone

Pumpellyite
Pumpellyite



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Moonstone
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Pumpellyite

Moonstone and Pumpellyite Optical Properties

1 Optical Properties
1.1 Luster
Pearly
Fibrous
1.2 Pleochroism
AbsentWalter Schumann
Not Available
1.3 Dispersion
NoneNA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent, Transparent to translucent
Gemmological Tables (2004)
1.5 Refractive Index
1.518-1.5271.674-1.764
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
monoclinic
monoclinic
1.8 Birefringence
0.006-0.0070.014-0.016
Achroite
0 0.296
1.9 Clarity
Transparent
OpaqueUlrich Henn and Claudio C. Milisenda

Moonstone and Pumpellyite Optic Character

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

Similar to their colors, Moonstone and Pumpellyite 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.