Clear Quartz
Quartz (Silica group) · Semi-Precious Gemstone / Mineral Specimen
Crystal System
Trigonal, typically forming hexagonal prisms terminated by pyramids, though this specimen is a tumbled pebble with a rounded habit.
Mineral Group
Silicates (Tectosilicate subgroup)
Chemical Formula
SiO2
Formation Process
Forms via igneous, metamorphic, and hydrothermal processes, frequently crystallizing from silica-rich fluids at varying temperatures and pressures.
About This Crystal
A small, tumbled, translucent to transparent white/colorless quartz pebble with a smooth, polished surface and a glassy luster.
Physical Characteristics
Color is colorless or white; streak is white; cleavage is none; fracture is conchoidal; specific gravity is approximately 2.65; tenacity is brittle.
Optical Properties
Uniaxial positive, refractive index ranges from 1.544 to 1.553, doubly refractive with low birefringence.
Hardness & Durability
Origin Region
Global distribution; major sources include Brazil, Madagascar, the United States, and the Alps.
Hardness & Durability
Mohs hardness of 7, excellent durability with no cleavage, making it very suitable for everyday jewelry wear.
Care & Maintenance
Can be easily cleaned with warm soapy water and a soft brush; safe from most household chemicals, but should be stored separately from softer stones to avoid scratching.
Rarity & Value
Very common and widely accessible, with low to moderate commercial value depending on clarity and size, rarely treated unless dyed.
Special Characteristics
Exhibits piezoelectric and pyroelectric properties; can sometimes contain tiny fluid inclusions or mineral needles.
Lore & History
Historically regarded by ancient civilizations as living water or pure light. In modern metaphysical practices, it is known as the 'Master Healer' stone, commonly associated with all chakras to amplify energy and clarity.