mineral

Pink Dyed Agate

Chalcedony (SiO2) with artificial dyes

Hardness: 6.5-7 (Mohs); Color: Vivid artificial pink/magenta/purple; Luster: Vitreous to waxy; Crystal structure: Trigonal (cryptocrystalline); Cleavage: None; Specific gravity: 2.58-2.64

Hardness: 6
Color: Vivid artificial pink/magenta/purple
Luster: Vitreous to waxy

Identified May 3, 2026More mineral →

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Physical properties

Hardness: 6.5-7 (Mohs); Color: Vivid artificial pink/magenta/purple; Luster: Vitreous to waxy; Crystal structure: Trigonal (cryptocrystalline); Cleavage: None; Specific gravity: 2.58-2.64

Formation & geological history

Formed as secondary deposits in volcanic rock cavities (vugs) through silica-rich groundwater. This specific specimen has been sliced, polished, and subjected to a chemical dyeing process to enhance its color.

Uses & applications

Used primarily for decorative items like coasters, wind chimes, and bookends, as well as jewelry like pendants and beads.

Geological facts

Natural agate is rarely this vibrant pink; most pink agates on the market are dyed. The banding reflects different pulses of silica deposition over thousands of years.

Field identification & locations

Identify by concentric banding patterns and extreme color saturation. Found globally in places like Brazil and Uruguay. Collectors should look for natural versus dyed indicators like dye pooling in cracks.

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