mineral

Rose quartz heart

Quartz, silicon dioxide (SiO₂), pink variety

AI-generated identification · may be incorrect

Mohs hardness 7; pale pink to milky, translucent, with vitreous luster and a non-crystalline (massive) structure. It has poor cleavage, conchoidal fracture, and specific gravity near 2.65.

Identified August 23, 2026More mineral →

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Physical properties

Mohs hardness 7; pale pink to milky, translucent, with vitreous luster and a non-crystalline (massive) structure. It has poor cleavage, conchoidal fracture, and specific gravity near 2.65.

Formation & geological history

Forms mainly in granitic pegmatites and hydrothermal veins when silica-rich fluids crystallize; most specimens are Precambrian to younger, depending on locality. The heart shape is human-cut and polished.

Uses & applications

Used for carvings, ornamental objects, beads, cabochons, and inexpensive gemstone jewelry; rarely used as a major industrial quartz source. Typical polished hearts have modest collector value.

Geological facts

The pink color commonly reflects microscopic inclusions or trace elements, especially iron, titanium, and manganese; the exact coloring mechanism can vary. Rose quartz is usually cloudy rather than transparent.

Field identification & locations

Identify it by its uniform pale pink color, glassy polish, hardness, and lack of obvious cleavage; it should scratch ordinary glass but not be confused with pink calcite, which is softer and reacts with acid. Common sources include Brazil, Madagascar, India, South Africa, and the United States.