Collenia Undosa Fossil
“Stromatolite”
Proterozoic Age (2.1 b.y.o)
From Biwabik Iron Mine
Northern Minnesota, USA
Limited Number of stones for sale
6mm Round superb Cutting Price $20 each (6)
10mm Round superb Cutting Price $50 each (2)
4 x 4mm Trillion Cut. Only $15 each (11)
6 x 6mm Trillion Cut. Only $25 each (7)
GG SITE A001 – 4