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Blue John
Blue John

Copper
Copper



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Blue John
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Copper

Blue John and Copper Optical Properties

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1 Optical Properties
1.1 Luster
Not Available
Not Available
1.2 Pleochroism
Not Available
Not Available
1.3 Dispersion
Albite Optical ..
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Fluorite Optical Properties
1.4 Transparency
Transparent
Not Available
1.5 Refractive Index
1.432-1.436
Not Available
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Not Available
Isometric Hexoctahedral H-M Symbol (4/m 3 2/m) Space Group: F m3m
1.8 Birefringence
Not Available
Not Available
1.9 Clarity
Transparent
Not Available

Blue John and Copper Optic Character

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

Similar to their colors, Blue John and Copper 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.