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Does anyone have any tips to clean pyrite cubes/clusters that are tarnished/brassy to restore shine?

0 votes
asked Jun 28, 2016 by Tanjajanina (120 points)

1 Answer

+1 vote
I googled this problem. They advised many methods involving acids. I saw some less obtrusive methods including abrasive powders, limeaway and whitening toothpaste. That make sense. Thoroughly rinsing and drying the specimen is recommended in all cases. Any use of acids should be done in a well-ventilated areas with proper skin and eye protection. The limeaway and iron out products also produce dangerous fumes. I am a safety first guy so I would try using the whitening toothpaste before any of the acids(oxalic, HCL, phosphoric) were all mentioned.
answered Jun 28, 2016 by Weasel (40,320 points)

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