Pedro II Fire Opal Fields
📍 Piauí, Brazil · -4.4300°, -40.7200°
Brazilian sertão sandstones host seam fire opal — Pedro II fields supply stable orange-red material that resists crazing better than Mexican stones.
📍 Piauí, Brazil · -4.4300°, -40.7200°
Brazilian sertão sandstones host seam fire opal — Pedro II fields supply stable orange-red material that resists crazing better than Mexican stones.