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Eosphorite
Eosphorite

Sphene
Sphene



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Eosphorite
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Sphene

Eosphorite and Sphene Optical Properties

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Optical Properties

Luster

Vitreous, Resinous
-

Pleochroism

Visible: X = yellow; Y = pink; Z = pale pink to colorless
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Dispersion

0.010.05
0.005 1
👆🏻

Transparency

Transparent
-

Refractive Index

1.639-1.6721.84-2.11
1 3.25
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Optic Character

-
-

Crystal System

Orthorhombic
monoclinic

Birefringence

0.029-0.032-9999
0 0.296
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Clarity

Transparent
-

Eosphorite and Sphene Optic Character

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

Similar to their colors, Eosphorite and Sphene 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.