2.1" Tabular, Yellow-Brown Barite Crystal with Red Phantom - Morocco
This is a large tabular, yellow-brown barite crystal cluster that was collected from the Khénifra Province of Morocco. There is a red phantom within this crystal, caused by the presence of mineral impurities during formation. There is also a small metallic mineral association along one edge of the crystal, likely galena or marcasite.
Barite, commonly spelled baryte, is well-known for its great range of colors and varied crystal forms and habits. It is a heavy mineral consisting of barium sulfate, and typically has the chemical formula of BaSO4. The barite group consists of baryte, celestine, anglesite and anhydrite. It's generally white to colorless and is the main source of barium.