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Crocoite
Crocoite

Afghanite
Afghanite



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Crocoite
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Afghanite

Crocoite and Afghanite Optical Properties

1 Optical Properties
1.1 Luster
Adamantine
Vitreous
1.2 Pleochroism
Distinctly trichroic
Not Available
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent
Transparent, Gemstones (2009)
1.5 Refractive Index
2.31-2.661.523
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 Available0.006
Achroite
0 0.296
1.9 Clarity
Transparent
Transparent

Crocoite and Afghanite Optic Character

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

Similar to their colors, Crocoite and Afghanite 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.