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Rock Crystal
Rock Crystal

Anhydrite
Anhydrite



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Rock Crystal
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Anhydrite

Rock Crystal and Anhydrite Optical Properties

1 Optical Properties
1.1 Luster
Not Available
Pearly, Greasy
1.2 Pleochroism
AbsentWalter Schumann
For violet varieties
1.3 Dispersion
0.010.01
Fluorite Optical Properties
0.007 1
1.4 Transparency
TransparentWalter Schumann, Gemstones of the world (2001) More from other references
Transparent
1.5 Refractive Index
1.544-1.5531.570-1.614
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Not Available
Orthorhombic
1.8 Birefringence
0.0090.042-0.044
Achroite
0 0.296
1.9 Clarity
TransparentWalter Schumann
Transparent

Rock Crystal and Anhydrite Optic Character

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

Rock Crystal and Anhydrite Transparency

Similar to their colors, Rock Crystal and Anhydrite 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, Rock Crystal is Gemstones of the world (2001) More from other references and TransparentWalter Schumann while Rock Crystal is Gemstones of the world (2001) More from other references and TransparentWalter Schumann in appearance.