Picasso jasper is a patterned variety of jasper (microcrystalline chalcedony) noted for its bold, abstract markings in shades of gray, black, white, brown, and sometimes ochre or rust-red, often resembling brushstrokes, ink splatters, or geological maps. It forms as silica-rich sediment or low-temperature hydrothermal deposits that undergo silicification, where mineral-rich fluids replace or infill original material (clays, volcanic ash, or sediments), producing a fine-grained, opaque stone whose colors come from iron and other trace minerals. Significant occurrences include deposits in China, the United States (notably Utah), and parts of Africa; its durability (Mohs ~6.5–7) and striking surface patterns make it popular for cabochons, beads, and decorative objects.

Metaphysically, Picasso jasper is commonly regarded as a grounding, stabilizing stone that encourages creativity, problem-solving, and transformation. Practitioners use it to stimulate artistic expression, help break unhelpful habits, and provide emotional balance during change; it's often associated with the root and sacral chakras, supporting practical action, resilience, and a pragmatic, focused mindset while calming stress and promoting inner strength.