Polyhalite and Zebra Rock Optical Properties

Polyhalite

Zebra Rock

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1 Optical Properties

1.1 Luster

Vitreous, Resinous

Not Available

1.2 Pleochroism

Not Available

1.3 Dispersion

NANA

0.007 1

1.4 Transparency

Not Available

1.5 Refractive Index

1.546-1.548Not Available

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Triclinic

face-centered cubic (fcc)

1.8 Birefringence

0.021Not Available

0 0.296

1.9 Clarity

Not Available

Polyhalite and Zebra Rock Optic Character

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

Compare Red Gemstones

Polyhalite Vs Jacinth

Polyhalite Vs Vanadinite

Polyhalite Vs Heliotrope

Polyhalite and Zebra Rock Transparency

Similar to their colors, Polyhalite and Zebra Rock 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.