mineral

Dyed pink tumbled stone, possibly howlite or magnesite

Likely dyed Ca₂B₅SiO₉(OH)₅ (howlite) or MgCO₃ (magnesite); the photo is insufficient for confirmation

AI-generated identification · may be incorrect

Small, polished, bright-pink stone with pale veining and a vitreous-to-waxy surface. Hardness and crystal structure depend on the underlying mineral; howlite is Mohs 3.5 and magnesite about 3.5–4.5.

Identified September 29, 2026More mineral →

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Physical properties

Formation & geological history

If howlite, it formed as a borate mineral in evaporite-rich settings; magnesite commonly forms by alteration of magnesium-rich rocks. The vivid color is likely artificial dye, and the specimen’s geological age cannot be determined visually.

Uses & applications

Tumbled stones are used in inexpensive jewelry, crafts, and collections; dyeing enhances color but does not increase geological value.

Geological facts

Howlite is often dyed vivid colors and sold as a substitute for turquoise or other ornamental stones.

Field identification & locations

Look for an irregular, chalky-looking pale matrix beneath the dye and color concentrated in cracks; definitive identification may require testing. Howlite is found notably in Canada and California, while magnesite occurs worldwide.