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How to Polish Agates (and other rocks)

How to Polish Agates (and other rocks). What is an agate?. ?waxy appearance ?sometimes pitted ? Link to Wikipedia agate article. A LORTONE 3A rock tumbler works very well for tumbling and polishing rocks. (The above link is to a helpful and reputable dealer, and where I purchased mine.).

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How to Polish Agates (and other rocks)