Manganese oxide pigment tile. | |||
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Manganese oxide pigment tile. Manganese oxide has been found used as a pigment in cave paintings from as long as 17,000 years ago. This tile is not quite that old, but according to the seller it dates to about 1800, making it a good 200 years old. Source: eBay seller chrisbuckman Contributor: Theodore Gray Acquired: 11 March, 2009 Text Updated: 12 March, 2009 Price: $45 Size: 4" Purity: <5% | |||
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