mineral

Clear Quartz

Silicon Dioxide (SiO2)

Hardness of 7 on the Mohs scale, color is colorless/transparent to white, vitreous luster, trigonal crystal system, conchoidal fracture with no true cleavage, specific gravity of 2.65.

Identified August 3, 2026More mineral →

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Physical properties

Hardness of 7 on the Mohs scale, color is colorless/transparent to white, vitreous luster, trigonal crystal system, conchoidal fracture with no true cleavage, specific gravity of 2.65.

Formation & geological history

Forms in hydrothermal veins, pegmatites, and as a primary constituent of many igneous, metamorphic, and sedimentary rocks through the cooling and crystallization of silica-rich fluids.

Uses & applications

Used in electronics (oscillators), gemstones, decorative carvings, holistic healing, and glass manufacturing.

Geological facts

Clear quartz is known as the 'master healer' in crystal healing and is one of the most abundant minerals on Earth's continental crust.

Field identification & locations

Easily identified by its hardness (scratches glass), lack of cleavage, and vitreous luster. Found worldwide, with major deposits in Brazil, Madagascar, the USA, and the Alps.