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Petoskey Stone
Petoskey Stone

Cordierite
Cordierite



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Petoskey Stone
X
Cordierite

Petoskey Stone and Cordierite Optical Properties

1 Optical Properties
1.1 Luster
Not Available
Greasy, Vitreous
1.2 Pleochroism
Not Available
X = pale yellow
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Not Available
Not Available
1.5 Refractive Index
Not AvailableNot Available
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Trigonal
Orthorhombic
1.8 Birefringence
Not AvailableNot Available
Achroite
0 0.296
1.9 Clarity
Not Available
Not Available

Petoskey Stone and Cordierite Optic Character

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

Similar to their colors, Petoskey Stone and Cordierite 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.