Rock Identifier
Tumbled rose quartz (Quartz, silicon dioxide (SiO₂), pink variety) — mineral
mineral

Tumbled rose quartz

Quartz, silicon dioxide (SiO₂), pink variety

AI-generated identification · may be incorrect

Mohs hardness 7; translucent pale pink with a vitreous luster, typically massive rather than visibly crystalline, and lacking cleavage. The rounded shape indicates tumbling or natural abrasion; inclusions may cause cloudiness.

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Physical properties

Mohs hardness 7; translucent pale pink with a vitreous luster, typically massive rather than visibly crystalline, and lacking cleavage. The rounded shape indicates tumbling or natural abrasion; inclusions may cause cloudiness.

Formation & geological history

Forms mainly in silica-rich pegmatites and hydrothermal veins, with its pink color commonly attributed to microscopic inclusions or trace elements. Most specimens are Precambrian to younger, depending on the host formation.

Uses & applications

Used as a decorative stone, carving material, ornamental aggregate, and inexpensive cabochon or jewelry gemstone. Common tumbled pieces generally have modest value.

Geological facts

Rose quartz is usually massive and rarely forms well-developed crystals. Its color can fade with prolonged intense light or heat.

Field identification & locations

Commonly found in Brazil, Madagascar, India, South Africa, and the United States. Identify it by its uniform pink color, glassy luster, hardness sufficient to scratch ordinary glass, and absence of cleavage; this image is consistent with a tumbled specimen.