Clear Quartz
Quartz (Silicon Dioxide) · Semi-Precious Gemstone and Mineral Specimen
Crystal System
Trigonal, typically forming prismatic crystals with hexagonal cross-sections
Mineral Group
Silicates (Tectosilicates)
Chemical Formula
SiO2
Formation Process
Hydrothermal veins and pegmatitic pockets at varying temperatures and pressures
About This Crystal
A small, translucent to transparent, whitish-clear raw crystal fragment resting on a patterned textile surface, exhibiting vitreous luster and irregular natural facets.
Physical Characteristics
Colorless or white body color, white streak, conchoidal fracture, lack of true cleavage, specific gravity of approximately 2.65, brittle tenacity, and piezoelectric properties.
Optical Properties
Uniaxial positive optical character, refractive index of 1.544 to 1.553, birefringence of 0.009, and generally displays no significant pleochroism in clear varieties.
Hardness & Durability
Origin Region
Worldwide, with notable deposits in Brazil, Madagascar, the United States, and the Himalayan region
Hardness & Durability
Mohs hardness of 7, making it durable and suitable for everyday jewelry use with good resistance to scratching.
Care & Maintenance
Easily cleaned with warm soapy water and a soft brush; highly durable against chemicals and household cleaners.
Rarity & Value
Very common and widely available, with values generally low for raw fragments unless featuring rare inclusions or exceptional clarity.
Special Characteristics
Exhibits piezoelectricity, meaning it generates an electrical charge when mechanical stress is applied.
Lore & History
Historically used across various ancient cultures for tools, ornamentation, and scrying; in modern metaphysical practices, it is considered the 'master healer' crystal associated with clarity and all chakras.