Smithsonite is a zinc carbonate mineral (ZnCO₃) that forms as a secondary species in the oxidation zones of zinc deposits, often through the alteration of sphalerite. First identified in 1802 by chemist and mineralogist James Smithson, the benefactor of the Smithsonian Institution, the mineral was initially grouped with hemimorphite and hydrozincite under the name calamine. It was formally recognized as a distinct species in 1832 and named in Smithson’s honor. While smithsonite occurs in a range of colors, the most coveted examples display strong saturation in hues such as turquoise blue, canary yellow, and soft pink, with many of the finest specimens originating from the now-closed Tsumeb Mine.
This impressive example stands out for both its size and its unusually well-developed crystallization. While most smithsonite occurs in botryoidal or amorphous forms, this specimen displays numerous distinct rhombohedral crystals with a vivid bubblegum-pink coloration and a lustrous, subtly pearlescent sheen. The contrasting matrix enhances the color and luster while contributing an undulating, sculptural presence, placing this piece among the more refined expressions of the species from its most celebrated locality.