Rock Identifier
Tumbled pink quartz or rose quartz (Quartz, silicon dioxide (SiO₂); likely rose quartz, colored by trace elements and microscopic inclusions) — mineral
mineral

Tumbled pink quartz or rose quartz

Quartz, silicon dioxide (SiO₂); likely rose quartz, colored by trace elements and microscopic inclusions

AI-generated identification · may be incorrect

Polished, translucent to opaque pink-and-white specimen with vitreous luster; quartz hardness is Mohs 7, has no cleavage, conchoidal fracture, and trigonal crystal structure. The rounded shape is produced by tumbling.

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Physical properties

Polished, translucent to opaque pink-and-white specimen with vitreous luster; quartz hardness is Mohs 7, has no cleavage, conchoidal fracture, and trigonal crystal structure. The rounded shape is produced by tumbling.

Formation & geological history

Rose quartz forms mainly in granitic pegmatites and hydrothermal veins, commonly during Precambrian to Phanerozoic geological events. The white areas may be quartz-rich zones or internal inclusions.

Uses & applications

Used as an inexpensive ornamental and lapidary stone for tumbled stones, carvings, beads, and cabochons; rarely used in jewelry as a high-value gem.

Geological facts

The image is consistent with rose quartz, though pink opal or dyed quartz cannot be ruled out without tests. Rose quartz commonly shows a soft, cloudy pink color rather than sharply defined crystals.

Field identification & locations

Common sources include Brazil, Madagascar, India, South Africa, and the United States. Identification tests include hardness against glass, lack of cleavage, and a white streak; beware that dyed material may show concentrated color in cracks.