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Manganotantalite
Manganotantalite

Chrysoberyl
Chrysoberyl



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Manganotantalite
X
Chrysoberyl

Manganotantalite and Chrysoberyl Optical Properties

1 Optical Properties
1.1 Luster
Not Available
Vitreous
1.2 Pleochroism
Sometimes strongArthur Thomas
X = red; Y = yellow-orange; Z = emerald-green
1.3 Dispersion
NA0.02
Fluorite Optical Properties
0.007 1
1.4 Transparency
TransparentWalter Schumann, Gemstones of the world (2001) More from other references
Transparent, Translucent, Transparent to translucent
1.5 Refractive Index
2.19-2.341.746-1.763
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Biaxial/+
1.7 Crystal System
Not Available
Orthorhombic
1.8 Birefringence
0.0150.007-0.013
Achroite
0 0.296
1.9 Clarity
TransparentWalter Schumann
Transparent

Manganotantalite and Chrysoberyl Optic Character

Manganotantalite and Chrysoberyl optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Manganotantalite and Chrysoberyl 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 Chrysoberyl 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. Chrysoberyl has Biaxial/+ character.

Manganotantalite and Chrysoberyl Transparency

Similar to their colors, Manganotantalite and Chrysoberyl 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.