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These pieces of lapis are characteristically veined with lines of iron pyrite
this Priscus Bison bone dates to a time when the area was grazing land for Woolly Mammoth
circa 95 million years old
Very fine pieces of polished fossilised Teak trunk
The iridescent rainbow colour is a result of oxidisation as the stair-step crystals cool
Calamite tree seed fern Miocene These pieces of lapis areFossilised leaves from the extinct Calamite tree which have been preserved in an ironstone concretion. This two part fossil shows both the fern and its 'negative'. The Calamite was a medium sized tree, growing to around 30 meters (100 feet). Mazon Creek Fossil Beds, Braidwood, Illinois, USA. Carboniferous, circa 309 million years old. Length: 7cm width: 4cm depth: 2cm Measurements are approximate and the minimum size you should expect your item to be.
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