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Rhodochrosite
Rhodochrosite
☒

Pargasite
Pargasite
☒



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Rhodochrosite
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Pargasite

Rhodochrosite and Pargasite Optical Properties

Optical Properties

Luster

Pleochroism

Dispersion

Transparency

Refractive Index

Optic Character

Crystal System

Birefringence

Clarity

 
Vitreous
Weak
0.02
Transparent, Opaque, Transparent to nearly opaque
1.60
-
Trigonal
0.208-0.220
Transparent to nearly opaque
 
Vitreous
-
0.02
Transparent
1.613-1.663
-
monoclinic
0.020
Transparent

Rhodochrosite and Pargasite Optic Character

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

Similar to their colors, Rhodochrosite and Pargasite 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 while Rhodochrosite is in appearance.