mineral

Druzy Quartz

Silicon Dioxide (SiO2)

Hardness: 7 (Mohs scale), Color: Smoky brown/tan, Luster: Vitreous/sparkling, Crystal structure: Hexagonal/Trigonal (tiny micro-crystals), Cleavage: None/Conchoidal

Identified April 7, 2026More mineral →

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Physical properties

Hardness: 7 (Mohs scale), Color: Smoky brown/tan, Luster: Vitreous/sparkling, Crystal structure: Hexagonal/Trigonal (tiny micro-crystals), Cleavage: None/Conchoidal

Formation & geological history

Formed when Silica-rich hydrothermal fluids flow through cavities or fractures in host rocks (like geode interiors) and slowly cool, allowing tiny crystals to precipitate onto the surface. Common in volcanic and sedimentary environments.

Uses & applications

Primarily used in jewelry making, particularly for boho-style rings and pendants, as well as for decorative mineral collecting.

Geological facts

Druzy (or Druse) refers to a coating of fine crystals on a rock surface. In jewelry, it is prized for its 'sugar-like' sparkle which mimics the brilliance of diamonds at a much lower cost.

Field identification & locations

Identified by its textured, sparkling surface consisting of countless tiny crystal faces. In the field, look for hollow cavities in igneous rocks or nodules in sedimentary layers.