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Vesuvianite Idocrase
Vesuvianite Idocrase

Blue John
Blue John



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Vesuvianite Idocrase
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Blue John

Vesuvianite Idocrase and Blue John Optical Properties

1 Optical Properties
1.1 Luster
Not Available
Not Available
1.2 Pleochroism
Not Available
Not Available
1.3 Dispersion
Albite Optical ..
0.02
Rank: 20 (Overall)
Not Available
Rank: N/A (Overall)
Fluorite Optical Properties
1.4 Transparency
Transparent
Transparent
1.5 Refractive Index
1.700-1.725
1.432-1.436
1.6 Optic Character
Uniaxial/-
Not Available
1.7 Crystal System
Not Available
Not Available
1.8 Birefringence
0.002-0.012
Not Available
1.9 Clarity
Transparent
Transparent

Vesuvianite Idocrase and Blue John Optic Character

Vesuvianite Idocrase and Blue John optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Vesuvianite Idocrase 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 Vesuvianite Idocrase 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. Vesuvianite Idocrase has Uniaxial/- character.

Vesuvianite Idocrase and Blue John Transparency

Similar to their colors, Vesuvianite Idocrase 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, Vesuvianite Idocrase is Transparent while Vesuvianite Idocrase is Transparent in appearance.