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Afghanite
Afghanite

Petoskey Stone
Petoskey Stone



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Afghanite
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Petoskey Stone

Afghanite and Petoskey Stone Optical Properties

1 Optical Properties
1.1 Luster
Vitreous
Not Available
1.2 Pleochroism
Not Available
Not Available
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent, Gemstones (2009)
Not Available
1.5 Refractive Index
1.523Not Available
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Trigonal
Trigonal
1.8 Birefringence
0.006Not Available
Achroite
0 0.296
1.9 Clarity
Transparent
Not Available

Afghanite and Petoskey Stone Optic Character

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

Similar to their colors, Afghanite and Petoskey Stone 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.