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Rock Crystal
Rock Crystal

Williamsite
Williamsite



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Rock Crystal
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Williamsite

Rock Crystal and Williamsite Optical Properties

1 Optical Properties
1.1 Luster
Not Available
Waxy, Silky, Resinous, Greasy
1.2 Pleochroism
AbsentWalter Schumann
Not Available
1.3 Dispersion
0.01NA
Fluorite Optical Properties
0.007 1
1.4 Transparency
TransparentWalter Schumann, Gemstones of the world (2001) More from other references
TranslucentHerve Nicolas Lazzarelli, Blue Chart Gem Identification (2010)
1.5 Refractive Index
1.544-1.5531.530-1.575
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Not Available
Not Available
1.8 Birefringence
0.009Not Available
Achroite
0 0.296
1.9 Clarity
TransparentWalter Schumann
TranslucentHerve Nicolas Lazzarelli

Rock Crystal and Williamsite Optic Character

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

Similar to their colors, Rock Crystal and Williamsite 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.