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Variscite
Variscite

Orthoclase
Orthoclase



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Orthoclase

Variscite and Orthoclase Optical Properties

1 Optical Properties
1.1 Luster
Vitreous, Waxy
Vitreous, Pearly
1.2 Pleochroism
MissingWalter Schumann
colorless.
1.3 Dispersion
NA0.01
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
1.560-1.5941.518-1.536
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Orthorhombic
monoclinic
1.8 Birefringence
0.0310.0050-0.0060
Achroite
0 0.296
1.9 Clarity
Translucent
TransparentUlrich Henn and Claudio C. Milisenda

Variscite and Orthoclase Optic Character

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

Similar to their colors, Variscite and Orthoclase 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.