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Moonstone
Moonstone

Tantalite
Tantalite



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Moonstone
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Tantalite

Moonstone and Tantalite Optical Properties

1 Optical Properties
1.1 Luster
Pearly
Resinous
1.2 Pleochroism
AbsentWalter Schumann
Not Available
1.3 Dispersion
NoneNA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent, Transparent to translucent
TransparentWalter Schumann, Gemstones of the world (2001) More from other references
1.5 Refractive Index
1.518-1.5272.190-2.457
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
monoclinic
Orthorhombic
1.8 Birefringence
0.006-0.0070.083
Achroite
0 0.296
1.9 Clarity
Transparent
TransparentWalter Schumann

Moonstone and Tantalite Optic Character

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

Similar to their colors, Moonstone and Tantalite 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.