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Shattuckite
Shattuckite

Blue John
Blue John



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Shattuckite
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Blue John

Shattuckite and Blue John Optical Properties

1 Optical Properties
1.1 Luster
Silky
Not Available
1.2 Pleochroism
X = very pale blue; Y = pale blue; Z = deep blue
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
Transparent
1.5 Refractive Index
1.752-1.815
1.432-1.436
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Orthorhombic
Not Available
1.8 Birefringence
0.063
Not Available
1.9 Clarity
Translucent
Transparent

Shattuckite and Blue John Optic Character

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

Shattuckite and Blue John Transparency

Similar to their colors, Shattuckite 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, Shattuckite is Translucent while Shattuckite is Translucent in appearance.