Rock Identifier
Strawberry Quartz (Quartz (SiO₂) with Goethite (α-FeO(OH)) and/or Lepidocrocite (γ-FeO(OH)) inclusions) — Mineral
Mineral

Strawberry Quartz

Quartz (SiO₂) with Goethite (α-FeO(OH)) and/or Lepidocrocite (γ-FeO(OH)) inclusions

Hardness: 7 on the Mohs scale (quartz) with varying inclusions. Color: Typically clear, smoky, or reddish-brown with reddish, black, or reddish-gold needle-like inclusions of goethite and/or lepidocrocite. Luster: Vitreous (glassy). Crystal Structure: Hexagonal (quartz). Cleavage: None (conchoidal fracture).…

Hardness
7 on the Mohs scale (quartz) with varying inclusions
Luster
Vitreous (glassy)
Identified More mineral

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Physical properties

Hardness: 7 on the Mohs scale (quartz) with varying inclusions. Color: Typically clear, smoky, or reddish-brown with reddish, black, or reddish-gold needle-like inclusions of goethite and/or lepidocrocite. Luster: Vitreous (glassy). Crystal Structure: Hexagonal (quartz). Cleavage: None (conchoidal fracture). Specific Gravity: 2.65 (quartz), but can vary slightly with inclusions.

Formation & geological history

Strawberry Quartz forms within igneous and metamorphic rocks under hydrothermal conditions, similar to other quartz varieties. The quartz crystals grow from silica-rich fluids in fissures and cavities. The unique inclusions of goethite or lepidocrocite are incorporated during the crystallization process of the quartz, often as very fine needles or plates. While quartz itself is geologically ancient, the specific conditions for 'Strawberry Quartz' formation can occur across various geological ages, often in association with pegmatites or hydrothermal veins.

Uses & applications

Primarily used in jewelry (beads, pendants, cabochons) and as an ornamental stone. Due to its attractive appearance and relative rarity compared to common quartz, it is popular among crystal collectors and those interested in metaphysical and healing properties.

Geological facts

Strawberry Quartz is a trade name for a clear or smoky quartz that contains inclusions of iron oxide minerals, most commonly goethite or lepidocrocite, which give it its characteristic reddish or pinkish hue and sparkling appearance. It is sometimes confused with Lepidocrocite in Quartz or even Red Aventurine due to similar coloration, but the defining feature is the distinct acicular (needle-like) or platy inclusions creating a 'strawberry' effect. It is highly valued in the metaphysical community for its purported properties of love, understanding, and inner peace.

Field identification & locations

In the field, Strawberry Quartz is identifiable by its characteristic reddish or pinkish color with visible, often sparkling, needle-like or platy inclusions within a generally clear to smoky quartz matrix. The inclusions can range from microscopic to clearly visible, giving the stone its 'strawberry' or 'sparkling' appearance. It can be found in various locations worldwide, though significant sources have historically included Kazakhstan and Russia. Other known occurrences are in parts of Brazil and Madagascar. When identifying, look for the transparent to translucent base quartz with embedded reddish or brownish micro-crystals. Collectors seek specimens with good clarity and distinctive, evenly distributed inclusions.