Diamonds are formed from pure carbon, one of the most abundant elements on planet Earth. Diamonds, even from ancient times, have been sought for their extraordinary hardness (they are the hardest substance known) and their brilliance, especially in the colorless transparent gemstone variety. Ironically the other form of pure carbon is graphite, which is very […]
Diamond: Mineral information, data and localities.
A Quadrillion Tons Of Diamonds Lurk Deep Inside Earth
Diamonds - Colorado Geological Survey
SP-05A Sand, Gravel, and Quarry Aggregate Resources, Colorado Front Range Counties - Colorado Geological Survey
The biggest, the best, the first, and the most diverse - Colorado Geological Survey
Raton Basin and Southern Rocky Mountains of south-central Colorado
Minerals, Free Full-Text
What are diamonds? - Colorado Geological Survey
Diamonds - Colorado Geological Survey
What are diamonds? - Colorado Geological Survey
Interim Report on Diamond-Drill Exploration and Plans for Additional Drilling in the Monogram Mesa Area, Montrose County, Colorado - UNT Digital Library
Diamonds - Colorado Geological Survey
There Could Be 16 Quadrillion Tons Of Diamonds On The Planet Mercury Suggests New Research
US Diamond Mines - Diamond Mining in the United States