Lava or Basalt as it is often called is the result of an ancient volcanic eruption where fire from deep in the earth was thrust up through rock and earth to be hurled through the air and gently weathered by the rain over millennia. Because of the nature of this stone?s birth it is uniquely connected to all the elements and be of a great aid in creating balance and grounding. Seen in image is 1lb however batches may vary. Sold by weight only with sizes, shapes, colors and inclusions varying from piece to piece. From China.