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Amazonite
Amazonite

Blue John
Blue John



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Blue John

Amazonite and Blue John Optical Properties

1 Optical Properties
1.1 Luster
Vitreous
Not Available
1.2 Pleochroism
WeakMichael O’Donoghue
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
Translucent, Translucent to opaque
Transparent
1.5 Refractive Index
1.522-1.530
1.432-1.436
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Triclinic
Not Available
1.8 Birefringence
0.008-0.010
Not Available
1.9 Clarity
Translucent
Transparent

Amazonite and Blue John Optic Character

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

Amazonite and Blue John Transparency

Similar to their colors, Amazonite and Blue John 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, Amazonite is Translucent and Translucent to opaque while Amazonite is Translucent and Translucent to opaque in appearance.