Zebra Jasper 
4-6cm.
Zebra Jasper, also known as Zebra Stone or Zebra Rock, is a grounding and balancing crystal with a strong connection to the root chakra. It's believed to promote stability, strength, and protection while fostering a sense of harmony and balance. Zebra Jasper is also associated with overcoming apathy, enhancing focus and determination, and encouraging the manifestation of dreams into reality.