Red Jasper
Quartz var. Jasper · Decorative Stone / Semi-Precious
Crystal System
Trigonal, microcrystalline (cryptocrystalline)
Mineral Group
Silicates (Tectosilicates)
Chemical Formula
SiO2
Formation Process
Sedimentary or hydrothermal precipitation, forming from silica-rich fluids in rock fractures and cavities
About This Crystal
An opaque, microcrystalline variety of quartz characterized by a deep reddish-brown or brick-red color, often tumbled into smooth shapes with a waxy to dull luster
Physical Characteristics
Brick-red to brownish-red body color, white streak, conchoidal fracture, no cleavage, specific gravity of approximately 2.65, brittle tenacity
Optical Properties
Singly or doubly refractive microcrystalline aggregate, refractive index around 1.544-1.553, isotropic in appearance due to microcrystalline structure, non-pleochroic
Hardness & Durability
Origin Region
Found worldwide, with notable deposits in India, Brazil, Russia, France, Germany, and the USA
Hardness & Durability
Mohs hardness of 6.5 to 7, excellent toughness making it very durable and resistant to scratching, highly suitable for everyday jewelry wear
Care & Maintenance
Easy to care for; can be cleaned safely with warm soapy water and a soft brush, avoid harsh chemical cleaners and prolonged exposure to extreme heat
Rarity & Value
Common and widely available, low to moderate value depending on size, polish, and rich red coloration, often cut into beads and cabochons
Special Characteristics
Contains iron oxide impurities (hematite or goethite) that give it the characteristic opaque red color; sometimes displays banding or patterns
Lore & History
Historically used by ancient civilizations such as the Egyptians, Greeks, and Romans for amulets and seals; associated with grounding, vitality, and strength in modern crystal lore, linked primarily to the root chakra