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Zircon
Zircon

Staurolite
Staurolite



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Zircon
X
Staurolite

Zircon and Staurolite Optical Properties

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1 Optical Properties
1.1 Luster
Adamantine
Resinous
1.2 Pleochroism
Weak
X = colorless; Y = pale yellow; Z = golden yellow
1.3 Dispersion
0.04NA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent
Blue Chart Gem Identification (2010) More from other references
1.5 Refractive Index
1.810-2.0241.736-1.762
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
tetragonal
monoclinic
1.8 Birefringence
0.047-0.0550.009-0.015
Achroite
0 0.296
1.9 Clarity
Transparent
Blue Chart Gem Identification (2010) More from other references

Zircon and Staurolite Optic Character

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

Zircon and Staurolite Transparency

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