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Variscite
Variscite

Staurolite
Staurolite



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Variscite
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Staurolite

Variscite and Staurolite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous, Waxy
Resinous
1.2 Pleochroism
MissingWalter Schumann
X = colorless; Y = pale yellow; Z = golden yellow
1.3 Dispersion
Albite Optical ..
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Fluorite Optical Properties
1.4 Transparency
Translucent, Opaque . May be translucent when backlit on the edges.
Blue Chart Gem Identification (2010) More from other references
1.5 Refractive Index
1.560-1.594
1.736-1.762
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Orthorhombic
monoclinic
1.8 Birefringence
0.031
0.009-0.015
1.9 Clarity
Translucent
Blue Chart Gem Identification (2010) More from other references

Variscite and Staurolite Optic Character

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

Variscite and Staurolite Transparency

Similar to their colors, Variscite 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, Variscite is Opaque . May be translucent when backlit on the edges. and Translucent while Variscite is Opaque . May be translucent when backlit on the edges. and Translucent in appearance.