mineral
Quartz Druzy on Matrix
Silicon Dioxide (SiO2)
Hardness 7 on Mohs scale; color ranges from clear to yellowish/smoky with a reddish iron-stained matrix; vitreous to sugary luster; trigonal crystal system with fine druzy crystals; no cleavage; specific gravity ~2.65.
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Physical properties
Hardness 7 on Mohs scale; color ranges from clear to yellowish/smoky with a reddish iron-stained matrix; vitreous to sugary luster; trigonal crystal system with fine druzy crystals; no cleavage; specific gravity ~2.65.
Formation & geological history
Formed via hydrothermal deposition where silica-rich fluids precipitate small, intergrown quartz crystals inside rock cavities or veins over extended periods.
Uses & applications
Used primarily for lapidary arts, mineral specimen collections, ornamental crafts, and crystal healing/metaphysical practices.
Geological facts
Druzy quartz consists of a coating of tiny crystals forming a sparkling surface over a rock matrix. The micro-crystalline coverage creates a sugary, light-refracting effect highly prized in wire-wrapped jewelry.
Field identification & locations
Identified by the glittery coating of minute hexagonal quartz points on a host rock base. Commonly found in basaltic geodes, hydrothermal veins, and limestone cavities around the world.
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