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