Centenary Diamond - 273.85-carat, D-color, Internally Flawless
South Africa: a group of miners working underground at De Beers
Southern Africa diamond resources a summary
Stories of Omaha's history by Stu Pospisil
Lucre in the sky with diamonds
Death Valley NP: Historic Resource Study (Section III)
Gem-Stones, by G. F. Herbert Smith—A Project Gutenberg eBook
02-10-2023-01-16-24-pm-7552888.jpg
Crown Mine, Kroonstad, Moqhaka Local Municipality, Fezile Dabi