3.9" Polished Blue Calcite Bowl - Madagascar

About Madagascar Blue Calcite

Blue calcite from Madagascar is a soothing, pastel-blue variety of calcite prized for its soft translucence and cloud-like banding. It is primarily mined in the Atsimo-Andrefana and Analamanga regions, where thick limestone deposits have undergone extensive alteration by mineral-rich fluids. These deposits produce large, massive veins of high-quality blue material that are easily worked and polished, making Madagascar one of the world’s most reliable sources for vibrant blue calcite spheres, towers, and decorative pieces.

Its gentle blue coloration comes from trace amounts of mineral inclusions—most notably microscopic particles of copper, along with subtle variations in crystal structure and the presence of minute organic matter trapped during formation. These impurities scatter light in a way that creates the stone’s characteristic soft, icy hues. The result is a highly attractive material with a calming presence and an unmistakably Madagascan aesthetic.