Brookite
Joe & Grand Central shafts area dump, Tombstone Mining District, Cochise County, Arizona, USA
Brookite crystal in quartz. Associated minerals, not in the photograph, include, anatase, rodalquilarite, cerussite, schieffelinite, jarosite, chlorargyrite, and a unanalyzed grey metallic mineral. Brent Thorne specimen and photograph.
© Brent Thorne 2010