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Polishing Lapis

Greetings,
I am having problems polishing lapis. My stock is high-grade gem quality; deep blue with lots of pyrite specks. But because the pyrite is soft and has a low melting point, the pyrite ends up smearing its self over the face of the stone, ruining the finish. Any suggestions would be appreciated.

Thanks, Mike

From Mike Gramlich - October 25, 2009 at 12:13:20
Email: tfhrocks[ ]comcast.net

Message: 68465


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