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Rutilated Quartz
Rutilated Quartz

Covellite
Covellite



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Rutilated Quartz
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Covellite

Rutilated Quartz and Covellite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous
Resinous
1.2 Pleochroism
Not Available
Marked
1.3 Dispersion
Albite Optical ..
0.01
Rank: 27 (Overall)
Not Available
Rank: N/A (Overall)
Fluorite Optical Properties
1.4 Transparency
Transparent, Translucent, Transparent to translucent
OpaqueAnthony et al, Handbook of mineralogy (2001) More from other references
1.5 Refractive Index
1.544-1.553
1.45-2.62
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Hexagonal
Hexagonal
1.8 Birefringence
0.009
Not Available
1.9 Clarity
Transparent
OpaqueAnthony et al

Rutilated Quartz and Covellite Optic Character

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

Rutilated Quartz and Covellite Transparency

Similar to their colors, Rutilated Quartz 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, Rutilated Quartz is Translucent, Transparent and Transparent to translucent while Rutilated Quartz is Translucent, Transparent and Transparent to translucent in appearance.