mineral

Dyed Quartz Geode

Silicon Dioxide (SiO2) with artificial pigment

Hardness: 7 on Mohs scale; Color: Electric blue/turquoise (artificial); Luster: Vitreous (glassy); Crystal Structure: Hexagonal (trigonal); Cleavage: None (conchoidal fracture); Specific Gravity: 2.65

Hardness: 7 on Mohs scale
Color: Electric blue/turquoise (artificial)
Luster: Vitreous (glassy)

Identified March 16, 2026More mineral →

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Physical properties

Formation & geological history

Formed as secondary mineral precipitates in volcanic or sedimentary cavities (vugs) through hydrothermal processes. The intense blue color is achieved post-extraction by soaking the porous quartz in chemical dyes.

Uses & applications

Primarily used as decorative display pieces, paperweights, or 'pocket stones' for entry-level collectors; sometimes used in costume jewelry or metaphysical practices.

Geological facts

Natural quartz druzy of this vibrant neon blue does not occur naturally. These are mass-produced in processing facilities (often in Brazil or Morocco) to appeal to tourists and children. If the color is too uniform and bright, it is almost certainly dyed.

Field identification & locations

Identify in the field by looking for 'bleeding' of color into cracks or a white/clear center under the tinted surface. The dye can often be removed with acetone. Natural counterparts would be celestite (too soft) or shattuckite (different crystal habit).

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