Hedenbergite from Washington, USA
USA | |
| Crystals and Minerals Vol. 2 by Jon Gladwell |
| Cannon, Bart (1975) Minerals of Washington. Cordilleran, Mercer Island, WA. |
| Econ Geol (1992) 87:125-141 |
| Washington Geology, vol.25, no. 3, September 1997. |
| Rocks & Minerals (1991) 66:478-484 |
Rocks & Minerals (1991) 66:474-484 | |
| Derkey, Robert E., Joseph, Nancy L., Lasmanis, Raymond (1990, November) Metal Mines of Washington - Preliminary Report. Open File Report 90-18. Washington Division of Geology and Earth Resources Cannon, Bart (1975) Minerals of Washington. Cordilleran, Mercer Island, WA. Valentine, Grant M., Huntting, Marshall T. (1960) Part II - Metallic Minerals, in Inventory of Washington Minerals. Vol II. Bulletin 37, Washington Geological Survey. |
Vesper Peak, Sultan Mining District, Snohomish County, Washington, USA