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Ships within 48 hours · Estimated delivery Sep 8 - Sep 13
Approximate Size for 1 piece: 75mm x 75mm x 12mm
is a sulfide mineral composed of iron and sulfur
Approximate weight of 1 tooth: 112g
Approximate Size for 1 sphere: 30mmApproximate Weight for 1 sphere: 44g
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Fern Nodule (Pair) - Fossil Size:XLarge Approximate Size for 1 piece:Mined from: Coal City, Grundy County, Mason, Illinois, USA Era: Late Paleozoic Geological Age: 307 mya Description: These well preserved fossil ferns also known as Pecopteris come from the Carbondale Formation, which is located in Coal City, Illinois. Pecopteris are an extinct family of seed ferns. which simply means that they reproduce by dropping seeds rather than spores as with many modern ferns. These fossils are quite detailed and are preserved
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