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Eosphorite
Eosphorite

Sylvite
Sylvite



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Eosphorite
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Sylvite

Eosphorite and Sylvite Optical Properties

Optical Properties

Luster

Vitreous, Resinous
Vitreous

Pleochroism

Visible: X = yellow; Y = pink; Z = pale pink to colorless
Visible in colored crystals

Dispersion

0.010.01
0.005 1
👆🏻

Transparency

Transparent
-

Refractive Index

1.639-1.6721.4903
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Orthorhombic
Isometric

Birefringence

0.029-0.032-9999
0 0.296
👆🏻

Clarity

Transparent
-

Eosphorite and Sylvite Optic Character

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

Eosphorite and Sylvite Transparency

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