Desert druzy chalcedony is a captivating variety of chalcedony characterized by a surface covered with a fine layer of sparkling crystals known as "druzy." These formations often occur in arid or desert regions, giving them a unique and often ethereal appearance.
Desert druzy chalcedony forms through several geological processes: Silica-Rich Solutions: Groundwater or hydrothermal fluids rich in silica percolate through rock formations. Precipitation: Silica precipitates from these solutions and deposits as chalcedony in cavities, fractures, and porous rocks.
Notable localities include: USA, Morocco, Namibia and Mexico.