mineral
Quartz with Feldspar
Silicon Dioxide (SiO2) with Potassium Feldspar (KAlSi3O8)
AI-generated identification · may be incorrectQuartz has a hardness of 7 on the Mohs scale, vitreous luster, and conchoidal fracture. Feldspar has a hardness of 6, typically exhibits a pink or peach color, and shows distinct cleavage.
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Physical properties
Quartz has a hardness of 7 on the Mohs scale, vitreous luster, and conchoidal fracture. Feldspar has a hardness of 6, typically exhibits a pink or peach color, and shows distinct cleavage.
Formation & geological history
Formed through the cooling and crystallization of silica-rich magma in pegmatites and hydrothermal veins over millions of years.
Uses & applications
Used in mineral collections, ornamental carvings, lapidary arts, and gemstone jewelry.
Geological facts
Quartz is one of the most abundant minerals in Earth's continental crust and is piezoelectric, generating an electrical charge under mechanical stress.
Field identification & locations
Easily identified by its hard, glassy quartz crystals contrasting with opaque pink or white feldspar. Found globally in pegmatites, granites, and hydrothermal vein systems.
