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Hemimorphite
Hemimorphite

Manganotantalite
Manganotantalite



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Hemimorphite
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Manganotantalite

Hemimorphite and Manganotantalite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous, Adamantine, Silky
Not Available
1.2 Pleochroism
AbsentWalter Schumann
Sometimes strongArthur Thomas
1.3 Dispersion
0.02NA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent, Translucent
TransparentWalter Schumann, Gemstones of the world (2001) More from other references
1.5 Refractive Index
1.614-1.6362.19-2.34
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Orthorhombic
Not Available
1.8 Birefringence
0.0220.015
Achroite
0 0.296
1.9 Clarity
Transparent
TransparentWalter Schumann

Hemimorphite and Manganotantalite Optic Character

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

Hemimorphite and Manganotantalite Transparency

Similar to their colors, Hemimorphite 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, Hemimorphite is Translucent and Transparent while Hemimorphite is Translucent and Transparent in appearance.