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Selenite
Selenite

Carnelian
Carnelian



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Selenite
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Carnelian

Selenite and Carnelian Optical Properties

1 Optical Properties
1.1 Luster
Vitreous
Vitreous
1.2 Pleochroism
Not Available
AbsentWalter Schumann
1.3 Dispersion
NANone
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent
Translucent, Transparent to nearly opaque
1.5 Refractive Index
Not Available1.535-1.539
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
monoclinic
Trigonal
1.8 Birefringence
Not Available0.003-0.009
Achroite
0 0.296
1.9 Clarity
Transparent
Translucent

Selenite and Carnelian Optic Character

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

Selenite and Carnelian Transparency

Similar to their colors, Selenite and Carnelian 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, Selenite is Transparent while Selenite is Transparent in appearance.