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potato stone |
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potato stone [pə′tā·dō ‚stōn]
(geology) A potato-shaped geode, especially one consisting of hard, silicified limestone with an internal lining of quartz crystals. Want to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit the webmaster's page for free fun content. |
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