Scapolite 3.61 ct Yellow Round 1.73 ct & Purple (2) Oval 1.88 ct Tanzania max1020

Stromatolite Collenia Undosa Fossil Proterozoic (2.1 b.y.o.) 5.80cts Trillion Cut 10.00 x 10.00mm T553 H5.5-6 Biwabik Iron Northern Minnesota, USA