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Willemite
Willemite

Variscite
Variscite



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Willemite
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Variscite

Willemite and Variscite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous, Resinous
Vitreous, Waxy
1.2 Pleochroism
NilArthur Thomas
MissingWalter Schumann
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent, Translucent
Translucent, Opaque . May be translucent when backlit on the edges.
1.5 Refractive Index
1.687-1.7231.560-1.594
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Trigonal
Orthorhombic
1.8 Birefringence
0.028-0.0300.031
Achroite
0 0.296
1.9 Clarity
Transparent
Translucent

Willemite and Variscite Optic Character

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

Willemite and Variscite Transparency

Similar to their colors, Willemite and Variscite 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, Willemite is Translucent and Transparent while Willemite is Translucent and Transparent in appearance.