Malachite from Tri-State Mining District, USA
USA | |
| R&M 72:6 pp 400-419 The Kansas University Quarterly, Volume 9 #3 pp161-165 |
| Collection of RJ Martin |
| USGS Prof Paper 588 |
| www.brightok.net/~rockman/Images/OkIndex.htm. |
Rocks & Min. vol. 72 (1997) Rocks & Min., March 1998. |