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Childrenite
Childrenite

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Covellite



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Childrenite and Covellite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous, Resinous
Resinous
1.2 Pleochroism
visible
Marked
1.3 Dispersion
Albite Optical ..
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Fluorite Optical Properties
1.4 Transparency
Transparent
OpaqueAnthony et al, Handbook of mineralogy (2001) More from other references
1.5 Refractive Index
1.639-1.672
1.45-2.62
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Orthorhombic
Hexagonal
1.8 Birefringence
0.027-0.042
Not Available
1.9 Clarity
Transparent
OpaqueAnthony et al

Childrenite and Covellite Optic Character

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

Childrenite and Covellite Transparency

Similar to their colors, Childrenite 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, Childrenite is Transparent while Childrenite is Transparent in appearance.