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Riesling Beryl
Riesling Beryl

Covellite
Covellite



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Riesling Beryl
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Covellite

Riesling Beryl and Covellite Optical Properties

1 Optical Properties
1.1 Luster
Not Available
Resinous
1.2 Pleochroism
Strongly dichroicMartin H. Read
Marked
1.3 Dispersion
0.01NA
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
1.591.45-2.62
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Not Available
Hexagonal
1.8 Birefringence
0.004-0.010Not Available
Achroite
0 0.296
1.9 Clarity
Not Available
OpaqueAnthony et al

Riesling Beryl and Covellite Optic Character

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

Riesling Beryl and Covellite Transparency

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