Zebra Rock and Dravite Optical Properties

Zebra Rock

Dravite

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1 Optical Properties

1.1 Luster

Not Available

Vitreous

1.2 Pleochroism

Not Available

Very strong: pale yellow colorless

1.3 Dispersion

NA0.02

0.007 1

1.4 Transparency

Not Available

Transparent

1.5 Refractive Index

Not Available1.614-1.666

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

face-centered cubic (fcc)

Trigonal Ditrigonal Pyramidal H-M Symbol (3m) Space Group: R 3m

1.8 Birefringence

Not Available0.014-0.032

0 0.296

1.9 Clarity

Not Available

Transparent

Zebra Rock and Dravite Optic Character

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

Similar to their colors, Zebra Rock and Dravite 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, Zebra Rock is Not Available while Zebra Rock is Not Available in appearance.