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Manganotantalite
Manganotantalite

Humite
Humite



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Manganotantalite
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Humite

Manganotantalite and Humite Optical Properties

1 Optical Properties
1.1 Luster
Not Available
Vitreous
1.2 Pleochroism
Sometimes strongArthur Thomas
pale golden yellow or deep golden yellow.
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
TransparentWalter Schumann, Gemstones of the world (2001) More from other references
Transparent
1.5 Refractive Index
2.19-2.341.607-1.675
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Not Available
Orthorhombic
1.8 Birefringence
0.015Not Available
Achroite
0 0.296
1.9 Clarity
TransparentWalter Schumann
Transparent

Manganotantalite and Humite Optic Character

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

Manganotantalite and Humite Transparency

Similar to their colors, Manganotantalite and Humite 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, Manganotantalite is Gemstones of the world (2001) More from other references and TransparentWalter Schumann while Manganotantalite is Gemstones of the world (2001) More from other references and TransparentWalter Schumann in appearance.