Zebra Jasper or Granite
Microcline and Quartz aggregate (or Jasper var. Zebra) · Decorative Stone and Semi-Precious Gemstone
Crystal System
Triclinic (Feldspar) / Trigonal (Quartz)
Mineral Group
Silicates (Tectosilicates)
Chemical Formula
SiO2 (Quartz) + KAlSi3O8 (Feldspar) with various dark impurities
Formation Process
Igneous crystallization and metamorphic alteration under high temperature and pressure
About This Crystal
Tumbled and polished oval gemstone featuring a stark, high-contrast pattern of opaque white background with dendritic or irregular dark gray to black patches, reminiscent of zebra stripes
Physical Characteristics
White to off-white body color with dark gray/black inclusions, white streak, conchoidal to uneven fracture, specific gravity around 2.6-2.7, brittle tenacity, vitreous to waxy luster when polished
Optical Properties
Singly or doubly refractive aggregate, non-pleochroic, opaque with no significant optical phenomena like chatoyancy
Hardness & Durability
Origin Region
India, Africa, and various global localities; found in metamorphic and igneous environments
Hardness & Durability
Mohs hardness of 6.5 to 7, moderate to good durability for jewelry use, lacking distinct cleavage planes in the massive aggregate form
Care & Maintenance
Clean with warm soapy water and a soft cloth, avoid harsh chemical cleaners, store separately to prevent scratching softer stones, generally stable in light
Rarity & Value
Common, widely available as tumbled stones and carvings, very affordable price range, typically untreated
Special Characteristics
Distinctive natural contrasting band and patch patterns providing high visual appeal, smooth polished finish
Lore & History
Popular in modern crystal healing as a grounding stone believed to provide balance, endurance, and motivation, associated primarily with the root chakra, though these are traditional beliefs rather than scientific claims