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Moonstone
Moonstone

Feldspar
Feldspar



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Moonstone
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Feldspar

Moonstone and Feldspar Optical Properties

1 Optical Properties
1.1 Luster
Pearly
Vitreous
1.2 Pleochroism
AbsentWalter Schumann
None
1.3 Dispersion
NoneNA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent, Transparent to translucent
Transparent, Translucent
1.5 Refractive Index
1.518-1.5271.518-1.570
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
monoclinic
Triclinic or monoclinic
1.8 Birefringence
0.006-0.0070.008-0.010
Achroite
0 0.296
1.9 Clarity
Transparent
Transparent

Moonstone and Feldspar Optic Character

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

Similar to their colors, Moonstone and Feldspar 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.