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Polyhalite
Polyhalite

Prismatine
Prismatine



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Polyhalite
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Prismatine

Polyhalite and Prismatine Optical Properties

1 Optical Properties
1.1 Luster
Vitreous, Resinous
Not Available
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
1.546-1.548Not Available
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Triclinic
Orthorhombic
1.8 Birefringence
0.021Not Available
Achroite
0 0.296
1.9 Clarity
Not Available
Not Available

Polyhalite and Prismatine Optic Character

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

Polyhalite and Prismatine Transparency

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