mineral
Strawberry Quartz (Aventurine)
Silicon Dioxide with Hematite/Lepidocrocite inclusions (SiO2)
Hardness: 7 Mohs; Color: Pinkish-red to strawberry; Luster: Vitreous; Crystal Structure: Trigonal/Hexagonal; Cleavage: None; Specific Gravity: 2.63–2.65
- Hardness
- 7 Mohs
- Color
- Pinkish-red to strawberry
- Luster
- Vitreous
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Physical properties
Hardness: 7 Mohs; Color: Pinkish-red to strawberry; Luster: Vitreous; Crystal Structure: Trigonal/Hexagonal; Cleavage: None; Specific Gravity: 2.63–2.65
Formation & geological history
Formed in igneous or metamorphic environments where quartz crystallizes with inclusions of iron oxide (hematite) or lepidocrocite, typically in hydrothermal veins.
Uses & applications
Primarily used for lapidary work, jewelry (beads, cabochons), and as a popular specimen for crystal healing and metaphysical collecting.
Geological facts
The 'strawberry' appearance comes from tiny flakes of iron oxide trapped within the quartz. It is often mistaken for Rose Quartz, but strawberry quartz has distinct visible flecks.
Field identification & locations
Identify by its characteristic red speckles and vitreous luster. It is commonly found in Russia, Kazakhstan, and Brazil. Collectors look for high clarity with dense, even distribution of red inclusions.
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