Dalmation Stone (Dyed)

Physical Properties

Hardness: 5-7.5 (Mohs scale), Color: Naturally white/cream with black spots (these specimens are dyed pink/red), Luster: Dull to vitreous, Crystal structure: Microcrystalline, Specific gravity: 2.5-2.7

Formation & Geological History

Formed from volcanic lava that cooled rapidly, creating a fine-grained rhyolitic matrix. The black spots are minerals like Arfvedsonite or Riebeckite that crystallized within the matrix.

Uses & Applications

Primarily used for decorative purposes, jewelry (beads, cabochons), and in the metaphysical/lapidary market as pocket stones or worry stones.

Geological Facts

Commonly called 'Dalmation Jasper', it is actually a type of igneous rhyolite rather than a true sedimentary jasper. The specimens shown have been chemically dyed to achieve the vibrant pink/magenta hue, as they occur naturally in shades of white or pale grey.

Field Identification & Locations

Identify in the field by the distinct 'polka-dot' pattern of black needle-like mineral clusters against a lighter matrix. It is almost exclusively sourced from Chihuahua, Mexico. Collectors should check for artificial dye by looking at fractures or using a cotton swab with acetone.

Identified on: 5/2/2026

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