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Hemimorphite
Hemimorphite

Tantalite
Tantalite



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Hemimorphite
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Tantalite

Hemimorphite and Tantalite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous, Adamantine, Silky
Resinous
1.2 Pleochroism
AbsentWalter Schumann
Not Available
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
1.614-1.6362.190-2.457
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Orthorhombic
Orthorhombic
1.8 Birefringence
0.0220.083
Achroite
0 0.296
1.9 Clarity
Transparent
TransparentWalter Schumann

Hemimorphite and Tantalite Optic Character

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

Similar to their colors, Hemimorphite and Tantalite 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.