mineral
Red Quartz
Silicon Dioxide (SiO2)
AI-generated identification · may be incorrectHardness of 7 on the Mohs scale, red to reddish-brown color due to hematite inclusions, vitreous luster, trigonal crystal system, conchoidal fracture.
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Physical properties
Hardness of 7 on the Mohs scale, red to reddish-brown color due to hematite inclusions, vitreous luster, trigonal crystal system, conchoidal fracture.
Formation & geological history
Formed in hydrothermal veins or pegmatites when silica-rich fluids precipitate with iron oxide impurities over millions of years.
Uses & applications
Used in crystal healing, ornamental carvings, lapidary arts, and mineral specimen collecting.
Geological facts
The distinct red coloration comes from tiny microscopic inclusions of hematite or clay trapped inside the crystal matrix during growth.
Field identification & locations
Identify by its red hue, vitreous luster, and high hardness capable of scratching glass. Found worldwide including Brazil, Madagascar, and the USA.
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Other mineral specimens
Gneiss or Schist
Gneiss or Mica Schist with Garnet
Metamorphic
Sandstone (with potential mineral staining/concretions)
Arenite (SiO2 based)
sedimentary
Tumbled granite
Granite, a coarse-grained felsic intrusive igneous rock
igneous
Pegmatite with Tourmaline and Quartz
Igneous Pegmatite
igneous
Epidote
Epidote | Ca2(Al2,Fe3+)(SiO4)(Si2O7)O(OH)
metamorphic
Granite
Granite (Phaneritic intrusive igneous rock)
igneous