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Afghanite
Afghanite

Crocoite
Crocoite



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Afghanite
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Crocoite

Afghanite and Crocoite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous
Adamantine
1.2 Pleochroism
Not Available
Distinctly trichroic
1.3 Dispersion
Albite Optical ..
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Fluorite Optical Properties
1.4 Transparency
Transparent, Gemstones (2009)
Transparent
1.5 Refractive Index
1.523
2.31-2.66
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Trigonal
Monoclinic Prismatic H-M Symbol (2/m) Space Group: P 21/n
1.8 Birefringence
0.006
Not Available
1.9 Clarity
Transparent
Transparent

Afghanite and Crocoite Optic Character

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

Afghanite and Crocoite Transparency

Similar to their colors, Afghanite and Crocoite 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, Afghanite is Gemstones (2009) and Transparent while Afghanite is Gemstones (2009) and Transparent in appearance.

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