traveltip1 Posted October 8, 2020 Share Posted October 8, 2020 These are so-called Petoskey Stones, as I found them along Lake Michigan shoreline. These Devonian age Hexagonaria coral pieces should polish finely. 7 Link to comment Share on other sites More sharing options...
Fossildude19 Posted October 8, 2020 Share Posted October 8, 2020 These will be perfect! Tim - VETERAN SHALE SPLITTER VFOTM --- APRIL - 2015 __________________________________________________ "In every walk with nature one receives far more than he seeks." John Muir ~ ~ ~ ~ ><))))( *> About Me Link to comment Share on other sites More sharing options...
traveltip1 Posted October 25, 2020 Author Share Posted October 25, 2020 I began polishing the small Petoskey Stones by tumbling them for several days. 2 Link to comment Share on other sites More sharing options...
Monica Posted October 27, 2020 Share Posted October 27, 2020 Those corals are looking great so far! Link to comment Share on other sites More sharing options...
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