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Staurolite
Staurolite

Peridot
Peridot



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X
Staurolite
X
Peridot

Staurolite and Peridot Optical Properties

Optical Properties

Luster

Resinous
Vitreous, Greasy

Pleochroism

X = colorless; Y = pale yellow; Z = golden yellow
Weak: yellow-green green (colorless)Herve Nicolas Lazzarelli

Dispersion

0.020.02
0.005 1
👆🏻

Transparency

-
Transparent

Refractive Index

1.736-1.7621.64-1.69
1 3.25
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Optic Character

-
-

Crystal System

monoclinic
Orthorhombic

Birefringence

0.009-0.0150.036
0 0.296
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Clarity

-
Transparent

Staurolite and Peridot Optic Character

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

Similar to their colors, Staurolite and Peridot 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.