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Moonstone
Moonstone

Franklinite
Franklinite



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Moonstone
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Franklinite

Moonstone and Franklinite Optical Properties

1 Optical Properties
1.1 Luster
Pearly
Not Available
1.2 Pleochroism
AbsentWalter Schumann
Not Available
1.3 Dispersion
Albite Optical ..
None
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Fluorite Optical Properties
1.4 Transparency
Transparent, Transparent to translucent
Translucent
1.5 Refractive Index
1.518-1.527
Not Available
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
monoclinic
Isometric Hexoctahedral H-M Symbol (4/m 3 2/m) Space Group: F d3m
1.8 Birefringence
0.006-0.007
Not Available
1.9 Clarity
Transparent
Translucent

Moonstone and Franklinite Optic Character

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

Similar to their colors, Moonstone and Franklinite 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.