×

Manganotantalite
Manganotantalite

Sugilite
Sugilite



ADD
Compare
X
Manganotantalite
X
Sugilite

Manganotantalite and Sugilite Optical Properties

1 Optical Properties
1.1 Luster
Not Available
Vitreous
1.2 Pleochroism
Sometimes strongArthur Thomas
Weak
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
TransparentWalter Schumann, Gemstones of the world (2001) More from other references
Translucent
1.5 Refractive Index
2.19-2.341.607-1.612
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Not Available
Hexagonal
1.8 Birefringence
0.0150.003
Achroite
0 0.296
1.9 Clarity
TransparentWalter Schumann
Translucent

Manganotantalite and Sugilite Optic Character

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

Similar to their colors, Manganotantalite and Sugilite 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.