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Staurolite
Staurolite

Chrysoprase
Chrysoprase



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X
Staurolite
X
Chrysoprase

Staurolite and Chrysoprase Optical Properties

Optical Properties

Luster

Resinous
Vitreous, Waxy

Pleochroism

X = colorless; Y = pale yellow; Z = golden yellow
-

Dispersion

0.020.01
0.005 1
👆🏻

Transparency

-
Translucent, Opaque, Translucent to nearly opaque

Refractive Index

1.736-1.7621.530-1.543
1 3.25
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Optic Character

-
-

Crystal System

monoclinic
Trigonal

Birefringence

0.009-0.0150.004
0 0.296
👆🏻

Clarity

-
Translucent

Staurolite and Chrysoprase Optic Character

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

Staurolite and Chrysoprase Transparency

Similar to their colors, Staurolite and Chrysoprase 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, Staurolite is while Staurolite is in appearance.