Staurolite from Maryland, USA
USA | |
| Willams, george Huntinton (1887) Notes on the Minerals Occurring in the Neighborhood of Baltimore, Johns Hopkins, Baltimore, pp. 18 |
| collected by A.Mathauser |
| Beard, R. (2015) Rockhounding Delaware, Maryland, and the Washington, DC Metro Area. Chapter 33: 125-126 |
| Stuart Herring |
| Roswell Miller III (1945) The heavy minerals of Florida beach and dune sands. American Mineralogist, 30, 65-75. |
USGS : Wissahickon Formation | |
| Ref.: Minerals of the Washington D.C. Area |
| cameron holden's collection |
| Ref.: Minerals of the Washington D.C. Area. |
Staurolite locality, Rockland, Baltimore County, Maryland, USA