The Blue Diamond Corporation, also known as the Blue Diamond Materials Company of Tehachapi, California, were the owners of the Blue Diamond Mine as well as the company town nearby, Blue Diamondville. In 1923, the company bought the claim the mine was on and began intensive gypsum mining operations. In 1941, they added a processing plant and the company town. The company sold the mine and milling operations to the Flintkote Company in 1959.
Source:
Blue Diamond Mine Corporation Records, 1918-2005. MS-00505. Special Collections and Archives,
University Libraries, University of Nevada, Las Vegas. Las Vegas, Nevada.