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Rhodochrosite
Rhodochrosite

Powellite
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Rhodochrosite
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Rhodochrosite and Powellite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous
Greasy, Subadamantine
1.2 Pleochroism
Weak
In deeply colored specimens: blue greenAnthony et al
1.3 Dispersion
Albite Optical ..
0.02
Rank: 24 (Overall)
Not Available
Rank: N/A (Overall)
Fluorite Optical Properties
1.4 Transparency
Transparent, Opaque, Transparent to nearly opaque
Transparent
1.5 Refractive Index
1.60
1.974-1.984
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Trigonal
Not Available
1.8 Birefringence
0.208-0.220
Not Available
1.9 Clarity
Transparent to nearly opaque
Transparent

Rhodochrosite and Powellite Optic Character

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

Similar to their colors, Rhodochrosite and Powellite 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.