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Rhodochrosite
Rhodochrosite

Williamsite
Williamsite



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Rhodochrosite
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Williamsite

Rhodochrosite and Williamsite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous
Waxy, Silky, Resinous, Greasy
1.2 Pleochroism
Weak
Not Available
1.3 Dispersion
0.02NA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent, Opaque, Transparent to nearly opaque
TranslucentHerve Nicolas Lazzarelli, Blue Chart Gem Identification (2010)
1.5 Refractive Index
1.601.530-1.575
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Trigonal
Not Available
1.8 Birefringence
0.208-0.220Not Available
Achroite
0 0.296
1.9 Clarity
Transparent to nearly opaque
TranslucentHerve Nicolas Lazzarelli

Rhodochrosite and Williamsite Optic Character

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

Rhodochrosite and Williamsite Transparency

Similar to their colors, Rhodochrosite 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, Rhodochrosite is Opaque, Transparent and Transparent to nearly opaque while Rhodochrosite is Opaque, Transparent and Transparent to nearly opaque in appearance.