Quartz
Quartz (Silicon Dioxide) · Mineral Specimen
Crystal System
Trigonal, with prismatic and massive habits
Mineral Group
Silicates (Tectosilicates)
Chemical Formula
SiO2
Formation Process
Forms in igneous, metamorphic, and sedimentary environments, frequently crystallizing from hydrothermal solutions
About This Crystal
A small, light-colored, somewhat translucent to opaque rock or mineral fragment resting on a patterned carpet surface with an irregular, tumbled, or raw shape
Physical Characteristics
Color ranges from white to clear, streak is white, fracture is conchoidal, specific gravity is approximately 2.65, and tenacity is brittle
Optical Properties
Singly refractive to uniaxial positive with low birefringence
Hardness & Durability
Origin Region
Found globally; major deposits in Brazil, USA, Madagascar, and the Alps
Hardness & Durability
Mohs hardness of 7, making it durable and resistant to scratching, with no true cleavage
Care & Maintenance
Can be cleaned easily with warm soapy water; resistant to most household chemicals but should be protected from extreme thermal shock
Rarity & Value
Common, widely accessible, with very low cost for standard specimens
Special Characteristics
Displays piezoelectric properties and can sometimes exhibit minor fluorescence or inclusions
Lore & History
Historically used in various ancient cultures for tools and ornaments; in modern metaphysical practices, it is often regarded as a master healer stone associated with clarity and energy amplification