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Beudantite
Beudantite

Covellite
Covellite



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Beudantite
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Covellite

Beudantite and Covellite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous, Resinous
Resinous
1.2 Pleochroism
visible
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
1.9571.45-2.62
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Trigonal
Hexagonal
1.8 Birefringence
0.014Not Available
Achroite
0 0.296
1.9 Clarity
Not Available
OpaqueAnthony et al

Beudantite and Covellite Optic Character

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

Beudantite and Covellite Transparency

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