An extremely rare crucible, likely used for foundry work or alchemical purposes, carved from a single block of volcanic stone, probably refractory lava. Its oblong shape and sculptural presence make it a highly intriguing object, straddling the line between primitive tool and piece of outsider art. Its deeply organic surface reveals the full memory of its ancient use at high temperatures: asperities, micro-cavities, and irregular reliefs compose a living material, its nuances ranging from ash gray and volcanic black to touches of ochre patinated by time. The interior, hollowed out functionally and then smoothed by erosion from use, testifies to its original purpose linked to fire-related trades, metallurgy, or demanding artisanal practices. Now repurposed from its initial function, this object stands as a striking sculptural piece, ideal for a contemporary interior or a collection of unique objects. It fits naturally within the wabi-sabi aesthetic, where beauty arises from imperfection, raw materials, and the marks of time. Displayed alone, it becomes a work of art in its own right, or can be used as a prestigious trinket tray or display piece. Dimensions: length 40 cm, width 23 cm, height 13 cm.