mineral

Hematoid Quartz

Silicon Dioxide with Hematite inclusions (SiO2 + Fe2O3)

Hardness of 7 on the Mohs scale, pale pink to clear crystal matrix with distinct reddish-brown inclusions of hematite, vitreous luster, trigonal crystal system, conchoidal fracture, and no true cleavage. Specific gravity is approximately 2.65.

Identified August 4, 2026More mineral →

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Physical properties

Formation & geological history

Formed in hydrothermal veins and pegmatites where silica-rich fluids crystallized in the presence of iron oxide minerals, trapping hematite within or upon the quartz structures during various geological eras.

Uses & applications

Used primarily in lapidary arts, metaphysical and healing practices, and as a popular specimen for mineral collectors and jewelry making.

Geological facts

Hematoid quartz is often referred to as 'fire quartz' or 'red quartz' due to the striking contrast between the translucent quartz and the blood-red iron oxide inclusions. It is believed by crystal practitioners to ground and balance energies.

Field identification & locations

Easily identified by its glass-like quartz appearance combined with distinct rust-red or hematite staining. Commonly found in locations with rich iron and quartz deposits such as Brazil, Madagascar, and parts of the United States.

Other mineral specimens

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Sandstone (with potential mineral staining/concretions)

Arenite (SiO2 based)

sedimentary

Soil with Mineral Detritus and Quartz Fragments

Regolith / Silicate Mineral Aggregate

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Limonite / Goethite (Iron Ore Mineral nodule)

FeO(OH)·nH2O / FeO(OH)

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Septarian Pebble

Septarian nodule / Concretion

sedimentary

Schist

Metamorphic

Potassium Feldspar (Orthoclase)

Orthoclase (KAlSi3O8)

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