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Flint
Flint

Polyhalite
Polyhalite



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Flint
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Polyhalite

Flint and Polyhalite Optical Properties

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1 Optical Properties
1.1 Luster
Not Available
Vitreous, Resinous
1.2 Pleochroism
Not Available
Not Available
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Not Available
Not Available
1.5 Refractive Index
Not Available1.546-1.548
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Not Available
Triclinic
1.8 Birefringence
Not Available0.021
Achroite
0 0.296
1.9 Clarity
Not Available
Not Available

Flint and Polyhalite Optic Character

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

Flint and Polyhalite Transparency

Similar to their colors, Flint and Polyhalite 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, Flint is Not Available while Flint is Not Available in appearance.