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2007-03-26 10:40:46 · 1 answers · asked by adalin 1 in Science & Mathematics Chemistry

1 answers

Yes, in particular the iron oxides of Italy, called sienna, umber, and ocher. The "raw" oxides are ground into oil pigments by artists. The "burned" or calcined earths are of a different color.

2007-03-26 10:47:19 · answer #1 · answered by steve_geo1 7 · 0 0

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