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Title: Nodules of Iron-Pyrites (some whole, some split in half), as [Go to resource]
Description: Nodules of Iron-Pyrites (some whole, some split in half), as used anciently for fire-making; from lower strata of Chalk formation at Coulsdon, Surrey, 1926. License: http://creativecommons.org/licenses/by-nc-sa/2.5/ Source: Science Museum Identifier: 1937-682/132 Go to resource More Like this...
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