


Tumbled Stromatolite / 20-35mm AVG - 1 LB. LOT
Marsoni
M251S
Get it in 3 business days with 1 day shipping.
Friday, May 29
Tumbled Stromatolite / 20-35mm AVG - 1 LB. LOTQuantity: 1 pound Average size range: 20 to 35 millimeters Stromatolites are layered sedimentary stones formed by photosynthetic bacteria. These bacteria form mineral layers by cementing local stone, sand, and gravel together over long periods of time. These structures can reach over 3 feet tall, and fossilized stromatolites are useful records of Precambrian life in paleontology.
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