Smoky Quartz (with inclusions/chalcedony features)
Quartz var. Smoky Quartz · Semi-Precious Gemstone / Jewelry Specimen
Crystal System
Trigonal, carved into a puffy heart shape
Mineral Group
Silicates (Tectosilicates)
Chemical Formula
SiO2
Formation Process
Igneous and hydrothermal processes, typically forming in pegmatites and veins where natural irradiation of quartz containing trace aluminum creates the smoky coloration
About This Crystal
A polished, puffy heart-shaped pendant made of translucent brown to greyish-brown quartz featuring milky white wispy inclusions and natural cloudiness near the upper lobe
Physical Characteristics
Brown body color, white streak, conchoidal fracture, no true cleavage, specific gravity of approximately 2.65, vitreous luster when polished
Optical Properties
Singly or doubly refractive (uniaxial positive), optic axis properties typical of microcrystalline or macrocrystalline quartz, vitreous to greasy optical luster
Hardness & Durability
Origin Region
Worldwide, notable sources include Brazil, Madagascar, USA, and the Swiss Alps
Hardness & Durability
Mohs hardness of 7, good durability, suitable for daily wear in jewelry with reasonable care against sharp impacts
Care & Maintenance
Clean with warm soapy water and a soft brush, avoid harsh chemicals and prolonged exposure to intense direct sunlight which can occasionally alter coloration
Rarity & Value
Common, affordable, highly popular for polished carvings and jewelry pendants
Special Characteristics
Natural color caused by irradiation centers, translucent cloudy phantom-like white inclusions within the darker quartz matrix
Lore & History
Associated traditionally with grounding, protection, stability, and clearing negative energy, linked to the Root Chakra in modern crystal healing