Peach Aventurine
Quartz var. Aventurine · Semi-Precious Gemstone and Decorative Stone

Crystal System
Trigonal, massive habit with quartz microcrystalline structure
Mineral Group
Silicates (Tectosilicate subgroup)
Chemical Formula
SiO2 with mica or hematite inclusions
Formation Process
Hydrothermal formation and magmatic crystallization within pegmatites and quartz veins
About This Crystal
A tumbled, smooth stone with a warm peach to orange-pink coloration, exhibiting a translucent to opaque appearance and a waxy to vitreous luster containing subtle shimmering inclusions
Physical Characteristics
Peach to orange body color with a white streak, conchoidal fracture, lack of distinct cleavage, specific gravity of approximately 2.65, and brittle tenacity
Optical Properties
Singly or doubly refractive with a refractive index around 1.544-1.553, uniaxial positive optical character, and a characteristic shimmering aventurescence caused by mineral flake inclusions
Hardness & Durability
Origin Region
India, Brazil, Russia, and Madagascar; typically forms in quartz veins and pegmatites
Hardness & Durability
Mohs hardness of 7, good durability and toughness, suitable for daily jewelry wear with standard precautions against scratching harder stones
Care & Maintenance
Clean with warm soapy water using a soft cloth, avoid harsh chemical cleaners and prolonged exposure to direct sunlight to preserve coloration
Rarity & Value
Common availability, with value depending on color saturation and intensity of aventurescence; generally very affordable in tumbled forms
Special Characteristics
Aventurescence (a glittering effect caused by reflective mineral inclusions like hematite or goethite within the quartz matrix)
Lore & History
Often associated with the sacral chakra, traditionally believed to promote creativity, calm anxieties, and encourage tranquility, though these are cultural beliefs rather than scientifically verified attributes