Alpha alumina

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Description

The synthetic, hexagonal crystalline form of aluminum oxide that occurs naturally as the mineral corundum. As an abrasive, alpha alumina removes silver tarnish effectively but also removes a significant amount of silver (Wharton, et al, 1990).

Additional Information

° G.Wharton, S.Lansing, W.Ginell, "A Comparative Study of Silver Cleaning Abrasives" JAIC 29:13-31, 1990. LINK

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