Diopside from Maryland, USA
USA | |
| Ref: Minerals of the Washington, D.C. Area |
| Minerals of the Washington, D.C. Area |
| Stuart Herring |
| Rocks & Min.: 18:206. |
| Jack Nelson, Compiler from two references and personal communications, May 2000 (See descriptive notes for quarry for reference citations)> |
Hunting Hill Quarry, Rockville, Montgomery County, Maryland, USA