06/22/2026
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Calcite, Cemetery Ridge Development, Sweetwater mine, Missouri, USA (large-cabinet)
https://auction.danweinrich.com/item/7239662/calcite-cemetery-ridge-development-sweetwater-mine-missouri-usa-large-cabinet
Lustrous gemmy yellow crystals of calcite measuring to 4.5 cm in size across the breccia matrix. Some cleaving present, still in good condition.The Sweetwater Mine, located in Reynolds County, Missouri, is a major component of the world-class Viburnum Trend, which is the most productive lead-mining district in history. Geologically, it is a classic Mississippi Valley-Type (MVT) deposit, where mineral-rich brines migrated through porous sedimentary rocks during the Appalachian-Ouachita orogenies.
Size: 22.5 x 13.0 x 5.5 cm
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