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Improving Mindat.orgHeazlewoodite

11th Mar 2006 00:04 UTCChris Hamilton

Your listing on heazlewoodite claims - or infers, depending on interpretation - it to have no known toxicological properties. This is untrue: Heazlewoodite, also known as Nickel-subsulphide, has clearly been shown to be a carcinogen under historical exposure levels experienced by Ni-refinery workers. (Heazlewoodite is formed in the matte process in the Ni-industry.)

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