mineral

Dyed, polished stone—possibly rhodonite or pink jasper

Likely rhodonite (MnSiO₃) or manganese-rich jasper; exact identification requires testing

AI-generated identification · may be incorrect

Pink to magenta with black veining or matrix and a glossy tumbled surface; likely Mohs 5–6.5, opaque, fine-grained, with no visible crystal faces or cleavage; unusually vivid color suggests dye or surface coating.

Identified August 15, 2026More mineral →

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Physical properties

Formation & geological history

Rhodonite forms through manganese-rich metamorphic processes, while jasper is microcrystalline silica formed by sedimentary or volcanic replacement. The specimen is human-polished and may be artificially dyed; geological age cannot be determined visually.

Uses & applications

Used as a decorative stone, lapidary material, ornament, and inexpensive collector specimen; rhodonite is occasionally used in cabochons and carvings.

Geological facts

Natural rhodonite typically has pink coloration with black manganese-oxide veining, whereas dyed stones often show unnaturally saturated color concentrated in cracks or pits.

Field identification & locations

Check streak, hardness, and dye behavior: rhodonite leaves a white streak and can scratch glass; inspect crevices for color concentration and test inconspicuously with acetone only if permitted. Common sources include Australia, Russia, Sweden, Peru, and the United States.