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Staurolite
Staurolite

Moonstone
Moonstone



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X
Staurolite
X
Moonstone

Staurolite and Moonstone Optical Properties

Optical Properties

Luster

Resinous
Pearly

Pleochroism

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

Dispersion

0.020.01
0.005 1
👆🏻

Transparency

-
Transparent, Transparent to translucent

Refractive Index

1.736-1.7621.518-1.527
1 3.25
👆🏻

Optic Character

-
-

Crystal System

monoclinic
monoclinic

Birefringence

0.009-0.0150.006-0.007
0 0.296
👆🏻

Clarity

-
Transparent

Staurolite and Moonstone Optic Character

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

Similar to their colors, Staurolite and Moonstone 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.