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Variscite
Variscite

Brookite
Brookite



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Variscite
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Brookite

Variscite and Brookite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous, Waxy
Adamantine
1.2 Pleochroism
MissingWalter Schumann
Very weak
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Translucent, Opaque . May be translucent when backlit on the edges.
Gemmological Tables (2004) More from other references
1.5 Refractive Index
1.560-1.5942.583-2.741
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Orthorhombic
Orthorhombic
1.8 Birefringence
0.0310.117
Achroite
0 0.296
1.9 Clarity
Translucent
Gemmological Tables (2004) More from other references

Variscite and Brookite Optic Character

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

Similar to their colors, Variscite and Brookite 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.