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Steatite
Steatite

Quartz
Quartz



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Steatite
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Quartz

Steatite and Quartz Optical Properties

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Optical Properties

Luster

-
Vitreous

Pleochroism

-
None

Dispersion

0.010.01
0.005 1
👆🏻

Transparency

-
Transparent, Translucent, Transparent to translucent

Refractive Index

1.539-1.5961.544-1.553
1 3.25
👆🏻

Optic Character

-
-

Crystal System

-
Trigonal

Birefringence

0.046-0.0500.009
0 0.296
👆🏻

Clarity

OpaqueUlrich Henn and Claudio C. Milisenda
Opaque

Steatite and Quartz Optic Character

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

Similar to their colors, Steatite and Quartz 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.