Collenia undosa Huronian, Precambrian (2,2... - Lot 163 - Giquello

Lot 163
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Estimation :
500 - 700 EUR
Collenia undosa Huronian, Precambrian (2,2... - Lot 163 - Giquello
Collenia undosa Huronian, Precambrian (2,2 billion years ago) Biwabik Iron FMT Mary Ellen Mine, Minnesota H. 9 3/4 in L. 18 1/2 in Stromatolites (from the Greek, stroma, carpet, blanket and, lìthos, stone) represent the "footprints" of organisms that lived in deep geological time. Stromatolites from the Mary Ellen Mine in Minnesota, commonly known as Mary Ellen Jasper, are especially prized by jewelry makers.
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