#3423 Sincosite, Minyulite Ross Hannibal Mine Lawrence Co. South Dakota USA (2023) FOV:6.5 mm Post author:GaryK Post published:2025-06-23 Post category:Blog FacebookTweetPinEmailPrint FacebookTweetPinEmailPrint Tags: Mineral Images, Minyulite, Sincosite, South Dakota, USA Read more articles Previous Post#408 Wulfenite El Refugio Galena Lawrence Co. South Dakota USA (1984) FOV:9 mm Next Post#621 Manganbabingtonite, Johannsenite Iron Cap Mine Landsman Camp Graham Co. Arizona USA (1985) FOV:5.5 mm You Might Also Like Fossil Collecting in NY, NJ, and PA 2009-05-30 #2302 Mimetite Sonora Mexico (2004) FOV:2 mm 2025-06-05 US Mines listed rhyolite flows 2012-06-06