Rock Identifier
Rose Quartz (Silicon Dioxide (SiO2)) — mineral
mineral

Rose Quartz

Silicon Dioxide (SiO2)

Hardness of 7 on the Mohs scale; pale pink to rose red color; vitreous to greasy luster; trigonal crystal system; no true cleavage, exhibits conchoidal fracture; specific gravity of 2.65.

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Physical properties

Hardness of 7 on the Mohs scale; pale pink to rose red color; vitreous to greasy luster; trigonal crystal system; no true cleavage, exhibits conchoidal fracture; specific gravity of 2.65.

Formation & geological history

Forms in pegmatites and hydrothermal veins, as well as metamorphic rocks. Often crystallizes from silica-rich magmas during the late stages of pegmatite formation.

Uses & applications

Commonly used in ornamental items, tumbled stones, carvings, and jewelry. Also popular among collectors and in metaphysical practices.

Geological facts

The pink color is generally attributed to microscopic traces of titanium, iron, or manganese, or possibly microscopic inclusions of dumortierite. Unlike ordinary quartz, rose quartz rarely forms well-defined crystal faces and is typically found in massive form.

Field identification & locations

Identified by its distinctive pink color, massive habit, and conchoidal fracture with a hardness that can scratch glass. Found worldwide, with notable deposits in Brazil, Madagascar, South Africa, and the United States (South Dakota).