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Clintonite
Clintonite

Covellite
Covellite



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Clintonite
X
Covellite

Clintonite and Covellite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous, Pearly
Resinous
1.2 Pleochroism
X = colorless
Marked
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Not Available
OpaqueAnthony et al, Handbook of mineralogy (2001) More from other references
1.5 Refractive Index
1.643-1.6481.45-2.62
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
monoclinic
Hexagonal
1.8 Birefringence
0.012-0.015Not Available
Achroite
0 0.296
1.9 Clarity
Not Available
OpaqueAnthony et al

Clintonite and Covellite Optic Character

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

Clintonite and Covellite Transparency

Similar to their colors, Clintonite 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, Clintonite is Not Available while Clintonite is Not Available in appearance.