Fluorapatite, Albite Dan Patch Mine Keystone Pennington Co. South Dakota USA (2006) FOV:16mm Post author:Gary Kindel Post published:2021-07-14 Post category:Blog FacebookTweetPinEmailPrint FacebookTweetPinEmailPrint You Might Also Like #1063 Stilbite Reuben Quarry Goble Columbia Co. Oregon USA (1999) FOV:6.5 mm 2023-02-26 Cerussite Hardin Co. Illinois USA (2003) FOV:2 mm 2021-11-20 Active Diamonds in the United States 2011-01-31