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Blue John
Blue John

Shattuckite
Shattuckite



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Blue John
X
Shattuckite

Blue John and Shattuckite Optical Properties

1 Optical Properties
1.1 Luster
Not Available
Silky
1.2 Pleochroism
Not Available
X = very pale blue; Y = pale blue; Z = deep blue
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent
Translucent
1.5 Refractive Index
1.432-1.4361.752-1.815
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Not Available
Orthorhombic
1.8 Birefringence
Not Available0.063
Achroite
0 0.296
1.9 Clarity
Transparent
Translucent

Blue John and Shattuckite Optic Character

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

Similar to their colors, Blue John and Shattuckite 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.