Yellow Quartz
Quartz var. Lemon Quartz · Semi-Precious Gemstone
Crystal System
Trigonal, typically tumbling-smoothed into a rounded, pebble-like habit
Mineral Group
Silicates (Tectosilicates)
Chemical Formula
SiO2
Formation Process
Hydrothermal and magmatic processes, commonly forming in pegmatites and veins
About This Crystal
A tumbled, polished, pale yellow to whitish quartz stone with a smooth surface, semi-translucent transparency, and vitreous luster
Physical Characteristics
Color ranges from milky white to pale yellow; white streak; conchoidal fracture; specific gravity around 2.65; brittle tenacity; no cleavage
Optical Properties
Uniaxial positive, doubly refractive with weak birefringence
Hardness & Durability
Origin Region
Found globally; major sources include Brazil, Madagascar, and the United States
Hardness & Durability
Mohs hardness of 7; good durability and toughness, making it highly suitable for jewelry use
Care & Maintenance
Clean with warm soapy water and a soft brush; avoid harsh chemicals and prolonged direct sunlight
Rarity & Value
Common; very affordable and widely available in commercial markets
Special Characteristics
Often exhibits natural internal fractures, slight cloudiness, and minor color zoning
Lore & History
Associated with clarity, positive energy, and emotional balance in modern crystal healing practices