Fire Quartz
Quartz var. Hematoid Quartz · Semi-Precious Gemstone / Mineral Specimen
Crystal System
Trigonal, typically forming as a polished tumbled stone or cabochon
Mineral Group
Silicates (Tectosilicate subgroup)
Chemical Formula
SiO2 with inclusions of Fe2O3
Formation Process
Hydrothermal and magmatic processes where clear quartz grows alongside or over iron oxide minerals like hematite or goethite
About This Crystal
The specimen is a smoothly polished, rounded tumbled stone featuring clear to translucent quartz with prominent deep red to brownish-red hematite inclusions forming distinct cloud-like patches and focal pools within the crystal matrix.
Physical Characteristics
Color includes clear, white, and deep reddish-brown. It has a white streak, no cleavage, conchoidal fracture, a specific gravity of approximately 2.65, and is brittle with a vitreous luster when polished.
Optical Properties
Uniaxial positive with a refractive index of 1.544 to 1.553, showing double refraction and no significant pleochroism in the quartz matrix itself
Hardness & Durability
Origin Region
Madagascar, Brazil, and South Africa; typically forms in hydrothermal veins and pegmatites
Hardness & Durability
Mohs hardness of 7, good durability and wearability for jewelry, though inclusions can sometimes create internal stress fractures
Care & Maintenance
Clean with warm soapy water and a soft cloth; avoid harsh chemicals, ultrasonic cleaners, and prolonged direct sunlight to maintain the vibrancy of the inclusions
Rarity & Value
Uncommon to rare depending on the clarity and intensity of the red hematite inclusions; valued for decorative and metaphysical purposes
Special Characteristics
Features distinct hematite phantoms and inclusions suspended within a transparent quartz host, creating a fiery visual depth
Lore & History
Often associated with grounding, vitality, and transforming negative energy into universal love and clarity, commonly linked to the root and crown chakras in modern crystal healing traditions