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Tantalite
Tantalite

Anglesite
Anglesite



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Anglesite

Tantalite and Anglesite Optical Properties

1 Optical Properties
1.1 Luster
Resinous
Adamantine
1.2 Pleochroism
Not Available
NilArthur Thomas
1.3 Dispersion
NA0.04
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
2.190-2.4571.877-1.894
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Orthorhombic
Orthorhombic
1.8 Birefringence
0.0830.017
Achroite
0 0.296
1.9 Clarity
TransparentWalter Schumann
Transparent

Tantalite and Anglesite Optic Character

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

Tantalite and Anglesite Transparency

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