Cosmic Obsidian 8.00 ct Faceted Cushion Cut Pair 12.00 x 8.00 volcanic Italian island: Lipari Y8580

Stromatolite Collenia Undosa Fossil Proterozoic (2.1 b.y.o.) 6.715cts Trillion Cut 10.00 x 10.00mm T552 H5.5-6 Biwabik Iron Northern Minnesota, USA