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Crocoite
Crocoite

Sapphire
Sapphire



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Crocoite
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Sapphire

Crocoite and Sapphire Optical Properties

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1 Optical Properties
1.1 Luster
Adamantine
Vitreous, Adamantine, Vitreous, Adamantine
1.2 Pleochroism
Distinctly trichroic
Strong
1.3 Dispersion
NA0.02
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent
Transparent, Translucent, Transparent to opaque
1.5 Refractive Index
2.31-2.661.762-1.788
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Monoclinic Prismatic H-M Symbol (2/m) Space Group: P 21/n
Trigonal
1.8 Birefringence
Not Available0.008-0.009
Achroite
0 0.296
1.9 Clarity
Transparent
Transparent

Crocoite and Sapphire Optic Character

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

Crocoite and Sapphire Transparency

Similar to their colors, Crocoite and Sapphire 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, Crocoite is Transparent while Crocoite is Transparent in appearance.