Ettringite and Zebra Rock Optical Properties

Ettringite

Zebra Rock

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1 Optical Properties

1.1 Luster

Vitreous

Not Available

1.2 Pleochroism

Not Available

1.3 Dispersion

NANA

0.007 1

1.4 Transparency

Transparent, Translucent

Not Available

1.5 Refractive Index

1.470-1.491Not Available

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Trigonal

face-centered cubic (fcc)

1.8 Birefringence

0.021Not Available

0 0.296

1.9 Clarity

Transparent

Not Available

Ettringite and Zebra Rock Optic Character

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

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Ettringite and Zebra Rock Transparency

Similar to their colors, Ettringite 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, Ettringite is Translucent and Transparent while Ettringite is Translucent and Transparent in appearance.