Red Jasper
Quartz var. Jasper · Decorative Stone / Semi-Precious Gemstone

Crystal System
Trigonal, massive or microcrystalline habit
Mineral Group
Silicates (Tectosilicate subgroup)
Chemical Formula
SiO2
Formation Process
Sedimentary or hydrothermal process involving silica-rich water precipitating in marine environments or volcanic ash beds
About This Crystal
An opaque, reddish-brown microcrystalline quartz specimen displaying a smooth conchoidal fracture surface with a dull to vitreous luster
Physical Characteristics
Brick red to brownish-red body color, white streak, no cleavage, conchoidal fracture, specific gravity around 2.65, brittle tenacity
Optical Properties
Singly refractive aggregate, generally exhibits no pleochroism due to microcrystalline structure
Hardness & Durability
Origin Region
Worldwide, with significant deposits in India, Brazil, Russia, Australia, and the USA
Hardness & Durability
Mohs hardness of 6.5 to 7, high toughness and stability, making it very suitable for daily jewelry wear
Care & Maintenance
Easy to clean with warm soapy water and a soft cloth; avoid harsh chemicals; store separately to prevent scratching softer stones
Rarity & Value
Common and widely accessible, highly affordable unless carved or of exceptional purity
Special Characteristics
Opaque nature due to high concentrations of iron oxide inclusions, presenting a uniform earthy red hue
Lore & History
Historically used by ancient civilizations like the Egyptians and Native Americans as an amulet for strength, grounding, and protection; associated traditionally with the root chakra