mineral

Dyed druzy quartz geode

Quartz, silicon dioxide (SiO₂), likely artificially dyed

AI-generated identification · may be incorrect

Usually microcrystalline quartz lining a cavity, with Mohs hardness 7, vitreous-to-sparkly luster, and hexagonal crystal structure; this specimen’s intense neon-magenta color is characteristic of dye or surface coating rather than natural quartz coloration.

Identified September 18, 2026More mineral →

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Physical properties

Formation & geological history

Druzy quartz forms when silica-rich groundwater deposits tiny quartz crystals on cavity walls in volcanic rock, commonly during post-volcanic alteration; the geode host may be millions of years old, but the coloring is modern human processing.

Uses & applications

Used mainly as a decorative specimen, lapidary slab, jewelry component, and interior ornament. Its value is aesthetic and collectible rather than based on rarity.

Geological facts

The black outer matrix is likely basalt or another volcanic rock, while the central cavity is lined with sparkling quartz crystals. Natural pink quartz is generally much paler than this saturated color.

Field identification & locations

Identify by the sparkling granular coating, quartz-like hardness, cavity structure, and dyed neon color; common sources of geodes include Brazil, Uruguay, Mexico, and Morocco. Avoid prolonged sunlight or solvents, which may fade or remove dye.