earthstory:Agate bowlCarved in the early 20th century in Idar Oberstein, the traditional centre of G
earthstory:Agate bowlCarved in the early 20th century in Idar Oberstein, the traditional centre of German gem carving since antiquity, this unusual agate bowl makes marvellous use of the colours and banding of the rough material. The oranges and reds are caused by natural iron oxide staining, and the rim of the bowl conserves the rough rind of the geode making for an amazingly intricate piece.LozImage credit: L.J. Conklin Galleries -- source link