Miglioli COVER: EUCLASE with Albite, 11.2 cm, from the La Marina mine, Muzo District, Boyaca Department, Colombia...these loo. @ LAWRENCE H. CONKLIN \ 31 West 47111 St., New Yer• 36, N.Y. l l ~ ~ X...r.l6'....?<:../vG'-...distance. The earliest recorded use of gunpowder for mining was in Hungary in 1627. 254 The Mineralogical...species. Hodrusa-Hamre (in the Banska Stiavnica mining district) is also the type locality for hodrusite. V...1920, is one of the most historically important mining *Locality name changes like these can be confusing |