Red Jasper
Quartz var. Jasper · Semi-Precious Gemstone and Decorative Stone
Crystal System
Trigonal, microcrystalline massive habit
Mineral Group
Silicate, Tectosilicate
Chemical Formula
SiO2
Formation Process
Sedimentary or hydrothermal deposition, often forming from silica-rich fluids replacing other minerals or through chemical precipitation in marine environments
About This Crystal
An opaque, polished tumbled stone displaying rich reddish-brown hues intermixed with darker earthy tones and subtle web-like inclusions. It has a smooth, glossy, waxy to vitreous luster characteristic of tumbled microcrystalline quartz.
Physical Characteristics
Brick-red to brownish-red body color with white or yellowish streak, completely opaque, excellent toughness, conchoidal fracture, lacks cleavage entirely, specific gravity around 2.65 to 2.68
Optical Properties
Singly refractive aggregate under polariscope, uniaxial positive micro-crystals, non-pleochroic, no major optical phenomena other than an attractive opaque polish
Hardness & Durability
Origin Region
Found worldwide, with notable deposits in India, Russia, Brazil, France, Germany, and the USA
Hardness & Durability
Mohs hardness of 6.5 to 7, exceptionally tough and durable due to its microcrystalline interlocking quartz structure, making it highly suitable for all types of jewelry without special precautions
Care & Maintenance
Low maintenance; clean safely with warm soapy water and a soft cloth, avoid harsh chemical acids like hydrofluoric acid, safe from normal sunlight and heat exposure
Rarity & Value
Common and widely accessible globally, inexpensive unless carved into intricate art objects or combined with rare minerals
Special Characteristics
Contains finely disseminated iron oxide inclusions (hematite or goethite) which impart the distinct opaque red coloration
Lore & History
Historically revered by ancient Egyptians, Greeks, and Native Americans as a sacred protective stone of grounding, vitality, and endurance. Traditionally associated with the root chakra in modern crystal healing practices.