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Sylvite
Sylvite

Agate
Agate



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Sylvite
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Agate

Sylvite and Agate Optical Properties

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Optical Properties

Luster

Vitreous
Vitreous

Pleochroism

Visible in colored crystals
Absent

Dispersion

0.010.01
0.005 1
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Transparency

-
Translucent

Refractive Index

1.49031.530-1.543
1 3.25
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Optic Character

-
-

Crystal System

Isometric
Trigonal

Birefringence

-99990.004
0 0.296
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Clarity

-
Translucent

Sylvite and Agate Optic Character

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

Similar to their colors, Sylvite and Agate 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 while Sylvite is in appearance.