a spectrum of colors and crystal forms, resinous to adamantine luster, gemmy on matrix; prized by collectors for iconic localities and displays.
Regional guide
Sphalerite from Madan Ore Field, Bulgaria
Madan Ore Field, Bulgaria: sphalerite specimens in dark resinous forms contrasting with galena and quartz, a premier European sulfide-collection locality.
Locality guide
Madan ore field
A collector's guide to Madan ore field, Bulgaria: its geology, mining history and notable minerals, illustrated with the 224 specimens documented from this locality on EarthWonders.
Comments