Rock Identifier
Strawberry Quartz (Aventurine Quartz) (Silicon dioxide with hematite/goethite inclusions (SiO2)) — mineral
mineral

Strawberry Quartz (Aventurine Quartz)

Silicon dioxide with hematite/goethite inclusions (SiO2)

AI-generated identification · may be incorrect

Hardness of 7 on the Mohs scale, vitreous luster, trigonal crystal system, translucent pink to reddish-pink with glittering flecks.

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Physical properties

Hardness of 7 on the Mohs scale, vitreous luster, trigonal crystal system, translucent pink to reddish-pink with glittering flecks.

Formation & geological history

Forms in pegmatites, hydrothermal veins, or metamorphic quartzite containing micro-inclusions of iron oxides like hematite, lepidocrocite, or goethite.

Uses & applications

Popularly used for tumbled pocket stones, beads, cabochons, carved ornaments, and lapidary jewelry.

Geological facts

The sparkly, glittering effect visible inside is caused by light reflecting off tiny platelets of iron minerals, a phenomenon known as aventurescence.

Field identification & locations

Identified by its distinctive shimmering red/pink inclusions inside clear-to-milky quartz. Major sources include Brazil, Madagascar, and Russia.