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Hemimorphite
Hemimorphite

Blue John
Blue John



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Hemimorphite
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Blue John

Hemimorphite and Blue John Optical Properties

1 Optical Properties
1.1 Luster
Vitreous, Adamantine, Silky
Not Available
1.2 Pleochroism
AbsentWalter Schumann
Not Available
1.3 Dispersion
Albite Optical ..
0.02
Rank: 18 (Overall)
Not Available
Rank: N/A (Overall)
Fluorite Optical Properties
1.4 Transparency
Transparent, Translucent
Transparent
1.5 Refractive Index
1.614-1.636
1.432-1.436
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Orthorhombic
Not Available
1.8 Birefringence
0.022
Not Available
1.9 Clarity
Transparent
Transparent

Hemimorphite and Blue John Optic Character

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

Hemimorphite and Blue John Transparency

Similar to their colors, Hemimorphite 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, Hemimorphite is Translucent and Transparent while Hemimorphite is Translucent and Transparent in appearance.