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Staurolite
Staurolite

Hematite
Hematite



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X
Staurolite
X
Hematite

Staurolite and Hematite Optical Properties

Optical Properties

Luster

Resinous
-

Pleochroism

X = colorless; Y = pale yellow; Z = golden yellow
O = brownish red; E = yellowish red

Dispersion

0.020.05
0.005 1
👆🏻

Transparency

-
OpaqueHerve Nicolas Lazzarelli

Refractive Index

1.736-1.7622.690-3.220
1 3.25
👆🏻

Optic Character

-
-

Crystal System

monoclinic
Trigonal

Birefringence

0.009-0.0150.280
0 0.296
👆🏻

Clarity

-
OpaqueHerve Nicolas Lazzarelli

Staurolite and Hematite Optic Character

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

Similar to their colors, Staurolite and Hematite 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.