Yellow Jade
Quartz var. Chalcedony / Nephrite (often commercial yellow jade is actually serpentine, quartz, or dyed material, but standard mineralogical match for this tumbled specimen is Quartz) · Semi-Precious Gemstone
Crystal System
Trigonal, microcrystalline massive habit
Mineral Group
Silicates
Chemical Formula
SiO2
Formation Process
Microcrystalline precipitation in hydrothermal veins and cavities
About This Crystal
A polished, smooth, tumbled pebble of pale yellow to golden translucent chalcedony quartz featuring a distinct reddish-brown linear inclusion running across its face. It has a vitreous to waxy luster and is translucent.
Physical Characteristics
Pale yellow body color with a reddish-brown vein inclusion, white streak, conchoidal fracture, no cleavage, specific gravity around 2.65, brittle tenacity
Optical Properties
Singly or micro-doubly refractive, refractive index around 1.54 to 1.55, no notable pleochroism
Hardness & Durability
Origin Region
Global distribution including Brazil, USA, China, and India
Hardness & Durability
Mohs hardness of 6.5 to 7, good toughness due to microcrystalline interlocking structure, very suitable for everyday jewelry wear
Care & Maintenance
Clean with warm soapy water and a soft cloth. Avoid harsh chemical cleaners and prolonged direct sunlight to prevent any potential fading if treated
Rarity & Value
Common, widely available as tumbled stones and inexpensive carvings, typically very affordable
Special Characteristics
Distinct natural ferruginous inclusion line cutting through the yellow matrix
Lore & History
Often associated with emotional warmth, joy, and vitality in contemporary crystal healing traditions, linked traditionally with the solar plexus chakra