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Sylvite
Sylvite

Corundum
Corundum



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Sylvite
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Corundum

Sylvite and Corundum Optical Properties

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1 Optical Properties
1.1 Luster
Vitreous
Adamantine, Vitreous
1.2 Pleochroism
Visible in colored crystals
None
1.3 Dispersion
NA0.02
Fluorite Optical Properties
0.007 1
1.4 Transparency
Not Available
Transparent, Translucent
1.5 Refractive Index
1.49031.758-1.780
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Isometric
Trigonal
1.8 Birefringence
Not Available0.007-0.010
Achroite
0 0.296
1.9 Clarity
Not Available
Gemmological Tables (2004) More from other references

Sylvite and Corundum Optic Character

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

Similar to their colors, Sylvite and Corundum 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.