The Project Gutenberg eBook of Diamonds, by William Crookes.
Gemmology - Results from #60
Lucre in the sky with diamonds
Articles Archive - O3 Mining
Dogs – World Traveler Pro
List of publications on the economic and social history of Great
Crystal - San Diego to Miami (127 days)
Articles Archive - O3 Mining
Death Valley NP: Historic Resource Study (Section III)
Lucre in the sky with diamonds
South Africa: an employee of De Beers counting the diamonds … free
Operating Mines and Quarries and Mineral Processing - InfoMine
De beers mine hi-res stock photography and images - Alamy
Centenary Diamond - 273.85-carat, D-color, Internally Flawless