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

Rose Quartz

Silicon Dioxide (SiO2)

Hardness: 7 (Mohs scale), Color: Pale pink to rose red, Luster: Vitreous, Crystal structure: Trigonal (often massive), Fracture: Conchoidal, Specific gravity: 2.65.

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Physical properties

Hardness: 7 (Mohs scale), Color: Pale pink to rose red, Luster: Vitreous, Crystal structure: Trigonal (often massive), Fracture: Conchoidal, Specific gravity: 2.65.

Formation & geological history

Forms primarily in pegmatites and hydrothermal veins. Its color is attributed to microscopic inclusions of pink borosilicate fibers like dumortierite. Found in Precambrian and younger deposits.

Uses & applications

Used extensively in lapidary work for beads, cabochons, carvings, and as decorative landscape stone. Highly valued in metaphysical and spiritual practices.

Geological facts

Unlike other quartz varieties, Rose Quartz rarely forms distinct large crystals; it usually occurs as massive chunks. It is the state mineral of South Dakota.

Field identification & locations

Identified by its distinctive pink color, 7 hardness (it will scratch glass), and lack of cleavage. Common in Brazil, Madagascar, and the USA (South Dakota and New England).