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Petoskey Stone
Petoskey Stone

Variscite
Variscite



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Petoskey Stone
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Variscite

Petoskey Stone and Variscite Optical Properties

1 Optical Properties
1.1 Luster
Not Available
Vitreous, Waxy
1.2 Pleochroism
Not Available
MissingWalter Schumann
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Not Available
Translucent, Opaque . May be translucent when backlit on the edges.
1.5 Refractive Index
Not Available1.560-1.594
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Trigonal
Orthorhombic
1.8 Birefringence
Not Available0.031
Achroite
0 0.296
1.9 Clarity
Not Available
Translucent

Petoskey Stone and Variscite Optic Character

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

Petoskey Stone and Variscite Transparency

Similar to their colors, Petoskey Stone and Variscite 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, Petoskey Stone is Not Available while Petoskey Stone is Not Available in appearance.