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Polyhalite
Polyhalite

Bytownite
Bytownite



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Polyhalite
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Bytownite

Polyhalite and Bytownite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous, Resinous
Vitreous, Pearly
1.2 Pleochroism
Not Available
colorless.
1.3 Dispersion
NA0.01
Fluorite Optical Properties
0.007 1
1.4 Transparency
Not Available
Transparent
1.5 Refractive Index
1.546-1.5481.561-1.583
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Triclinic
Triclinic
1.8 Birefringence
0.0210.010-0.011
Achroite
0 0.296
1.9 Clarity
Not Available
Transparent

Polyhalite and Bytownite Optic Character

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

Similar to their colors, Polyhalite and Bytownite 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.