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Johachidolite
Johachidolite

Covellite
Covellite



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Johachidolite
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Covellite

Johachidolite and Covellite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous
Resinous
1.2 Pleochroism
Not Available
Marked
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent, Translucent
OpaqueAnthony et al, Handbook of mineralogy (2001) More from other references
1.5 Refractive Index
1.717-1.7241.45-2.62
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Not Available
Hexagonal
1.8 Birefringence
0.007Not Available
Achroite
0 0.296
1.9 Clarity
Transparent
OpaqueAnthony et al

Johachidolite and Covellite Optic Character

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

Johachidolite and Covellite Transparency

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