Specimen Number35-9-004Alternate Number338GCommentsBanded quartz and cassiterite within black graywacke.In Teaching CollectionNoMineral(s)quartzcassiteriteField NotesSample collected by F.S. Turneaure, who published widely on the deposits.Rock NameSn oreDistrictBoliviaMineSiglo VeinteExternal LinkMindatGeo-LocationContacto vein, branch 9118, level 160.Deposit TypeVeinGeo-Coords[1] Donated ByUniversity of Wisconsin-Madison Department of Geoscience
35-9-004: Sn ore - Bolivia District - Siglo Veinte Mine. Franklin College Collections, accessed 13/11/2026, https://digitalcollections.franklin.uga.edu/nodes/view/54737