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Parisite
Parisite

Manganotantalite
Manganotantalite



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Parisite
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Manganotantalite

Parisite and Manganotantalite Optical Properties

1 Optical Properties
1.1 Luster
Not Available
Not Available
1.2 Pleochroism
Not Available
Sometimes strongArthur Thomas
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Gemmological Tables (2004) More from other references
TransparentWalter Schumann, Gemstones of the world (2001) More from other references
1.5 Refractive Index
1.671-1.7712.19-2.34
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Not Available
Not Available
1.8 Birefringence
0.099-0.1000.015
Achroite
0 0.296
1.9 Clarity
TransparentUlrich Henn and Claudio C. Milisenda
TransparentWalter Schumann

Parisite and Manganotantalite Optic Character

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

Parisite and Manganotantalite Transparency

Similar to their colors, Parisite and Manganotantalite 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, Parisite is Gemmological Tables (2004) More from other references while Parisite is Gemmological Tables (2004) More from other references in appearance.