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Lawsonite
Lawsonite

Petoskey Stone
Petoskey Stone



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Lawsonite
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Petoskey Stone

Lawsonite and Petoskey Stone Optical Properties

1 Optical Properties
1.1 Luster
Vitreous, Greasy
Not Available
1.2 Pleochroism
Weak
Not Available
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Not Available
Not Available
1.5 Refractive Index
1.672-1.676Not Available
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Orthorhombic
Trigonal
1.8 Birefringence
0.019-0.021Not Available
Achroite
0 0.296
1.9 Clarity
Not Available
Not Available

Lawsonite and Petoskey Stone Optic Character

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

Lawsonite and Petoskey Stone Transparency

Similar to their colors, Lawsonite 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, Lawsonite is Not Available while Lawsonite is Not Available in appearance.