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Blue John
Blue John

Rhodochrosite
Rhodochrosite



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Blue John
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Rhodochrosite

Blue John and Rhodochrosite Optical Properties

1 Optical Properties
1.1 Luster
Not Available
Vitreous
1.2 Pleochroism
Not Available
Weak
1.3 Dispersion
NA0.02
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent
Transparent, Opaque, Transparent to nearly opaque
1.5 Refractive Index
1.432-1.4361.60
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Not Available
Trigonal
1.8 Birefringence
Not Available0.208-0.220
Achroite
0 0.296
1.9 Clarity
Transparent
Transparent to nearly opaque

Blue John and Rhodochrosite Optic Character

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

Blue John and Rhodochrosite Transparency

Similar to their colors, Blue John and Rhodochrosite 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, Blue John is Transparent while Blue John is Transparent in appearance.