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Steatite
Steatite

Emerald
Emerald



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Steatite
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Emerald

Steatite and Emerald Optical Properties

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Optical Properties

Luster

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Vitreous

Pleochroism

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Strong dichroism: yellow green Lazzarelli

Dispersion

0.010.01
0.005 1
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Transparency

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Transparent, Translucent, Transparent to translucent

Refractive Index

1.539-1.5961.565-1.602
1 3.25
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Optic Character

-
-

Crystal System

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Hexagonal

Birefringence

0.046-0.0500.0040-0.0070
0 0.296
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Clarity

OpaqueUlrich Henn and Claudio C. Milisenda
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Steatite and Emerald Optic Character

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

Steatite and Emerald Transparency

Similar to their colors, Steatite and Emerald 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, Steatite is while Steatite is in appearance.