Diamond in the Rough (album) (United States), RPM (Canada) Diamond in the Rough (album) Diamond in the Rough is the fourth studio album released by American country artist Jessi Colter. It was the second album issued by Colter in 1976; the previous was "Jessi", released earlier in the year. "Diamond in the Rough" was issued under Capitol Records and was produced by Ken Mansfield. "Diamond in the Rough" was issued as Colter's second studio album in 1976, containing ten new tracks, which included a cover of The Beatles's "Hey Jude". The album only spawned one single released in 1977, titled "I Thought I Heard You
Williamson diamond mine diamond which was presented to then-Princess Elizabeth and Prince Philip upon their wedding in 1947, and a diamond found in 1990. The diamond industry of Tanzania in the 1930s was characterized by a scattering of very small mining operations that were insignificant in the economic makeup of the country. Dr. Williamson was hired by one of these operations, the Mabuki diamond mine, in 1938 and used it as his base for diamond prospecting in the region. In 1940 he discovered the Mwadui kimberlite pipe; over the next several years he developed the mine, although he was hindered by difficulty in