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Covellite
Covellite

Uvarovite Garnet
Uvarovite Garnet



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Uvarovite Garnet

Covellite and Uvarovite Garnet Optical Properties

1 Optical Properties
1.1 Luster
Resinous
Adamantine
1.2 Pleochroism
Marked
Not Available
1.3 Dispersion
Albite Optical ..
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Fluorite Optical Properties
1.4 Transparency
OpaqueAnthony et al, Handbook of mineralogy (2001) More from other references
Transparent, Translucent, Transparent to translucent
1.5 Refractive Index
1.45-2.62
1.860-1.870
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Hexagonal
Isometric
1.8 Birefringence
Not Available
Not Available
1.9 Clarity
OpaqueAnthony et al
Transparent to translucent

Covellite and Uvarovite Garnet Optic Character

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

Covellite and Uvarovite Garnet Transparency

Similar to their colors, Covellite and Uvarovite Garnet 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, Covellite is Handbook of mineralogy (2001) More from other references and OpaqueAnthony et al while Covellite is Handbook of mineralogy (2001) More from other references and OpaqueAnthony et al in appearance.