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Variscite
Variscite

Goethite
Goethite



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Variscite
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Goethite

Variscite and Goethite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous, Waxy
Adamantine
1.2 Pleochroism
MissingWalter Schumann
VisibleArthur Thomas
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Translucent, Opaque . May be translucent when backlit on the edges.
Gemstones (2009)
1.5 Refractive Index
1.560-1.5942.26-2.398
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Orthorhombic
Orthorhombic
1.8 Birefringence
0.0310.138
Achroite
0 0.296
1.9 Clarity
Translucent
Gemstones (2009)

Variscite and Goethite Optic Character

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

Similar to their colors, Variscite and Goethite 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.