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Sylvite
Sylvite

Tantalite
Tantalite



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Sylvite
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Tantalite

Sylvite and Tantalite Optical Properties

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1 Optical Properties
1.1 Luster
Vitreous
Resinous
1.2 Pleochroism
Visible in colored crystals
Not Available
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Not Available
TransparentWalter Schumann, Gemstones of the world (2001) More from other references
1.5 Refractive Index
1.49032.190-2.457
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Isometric
Orthorhombic
1.8 Birefringence
Not Available0.083
Achroite
0 0.296
1.9 Clarity
Not Available
TransparentWalter Schumann

Sylvite and Tantalite Optic Character

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

Sylvite and Tantalite Transparency

Similar to their colors, Sylvite 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, Sylvite is Not Available while Sylvite is Not Available in appearance.