Zebra Jasper
Quartz var. Jasper (Microcrystalline Quartz / Chalcedony aggregate) · Decorative Stone / Semi-Precious Gemstone
Crystal System
Trigonal, microcrystalline habit forming massive, compact aggregates
Mineral Group
Silicates
Chemical Formula
SiO2
Formation Process
Sedimentary or hydrothermal precipitation of silica-rich fluids in rock cavities or fractures
About This Crystal
Tumbled stone featuring a distinct contrasting pattern of dark grey-to-black and creamy white bands and patches, opaque with a smooth, waxy luster.
Physical Characteristics
Opaque; white streak; uneven or conchoidal fracture; specific gravity around 2.58 to 2.91; brittle tenacity; generally inert to UV fluorescence
Optical Properties
Microcrystalline aggregate showing aggregate double refraction, non-pleochroic, no special optical phenomena
Hardness & Durability
Origin Region
India, Africa, Russia, and the USA
Hardness & Durability
Mohs hardness of 6.5 to 7; good toughness; stable against light and normal household chemicals; suitable for general jewelry use
Care & Maintenance
Clean with warm soapy water and a soft cloth; avoid harsh acids; store separately from softer materials to prevent scratching
Rarity & Value
Common; very affordable and widely available as tumbled stones and carvings; no common enhancements
Special Characteristics
Distinctive natural contrasting zebra-like banded pattern created by mineral impurities during microcrystalline quartz formation
Lore & History
Used traditionally as a grounding stone believed to provide balance and motivation, associated with the root chakra