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Moonstone
Moonstone

Spodumene
Spodumene



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Moonstone
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Spodumene

Moonstone and Spodumene Optical Properties

1 Optical Properties
1.1 Luster
Pearly
Vitreous
1.2 Pleochroism
AbsentWalter Schumann
Strong in kunzite: α-purple
1.3 Dispersion
None0.02
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent, Transparent to translucent
Transparent
1.5 Refractive Index
1.518-1.5271.657-1.681
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
monoclinic
monoclinic
1.8 Birefringence
0.006-0.0070.014-0.018
Achroite
0 0.296
1.9 Clarity
Transparent
Gems

Moonstone and Spodumene Optic Character

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

Similar to their colors, Moonstone and Spodumene 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.