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Zebra Rock
Zebra Rock

Astrophyllite
Astrophyllite



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Zebra Rock
X
Astrophyllite

Zebra Rock and Astrophyllite Optical Properties

Optical Properties

Luster

-
Greasy, Pearly

Pleochroism

-
Strong: X= deep red-orange Y= orange-yellow Z= lemon-yellow

Dispersion

-0.12
0.005 1
👆🏻

Transparency

-
Translucent

Refractive Index

-99991.678-1.758
1 3.25
👆🏻

Optic Character

-
-

Crystal System

​ face-centered cubic (fcc)
Triclinic

Birefringence

-99990.050
0 0.296
👆🏻

Clarity

-
Translucent

Zebra Rock and Astrophyllite Optic Character

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

Zebra Rock and Astrophyllite Transparency

Similar to their colors, Zebra Rock and Astrophyllite 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 while Zebra Rock is in appearance.