What are diamonds? - Colorado Geological Survey

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 […]

Colorado Geology - Colorado Geological Survey Minerals, Rocks and crystals, Crystals minerals

Gemstones - Colorado Geological Survey

Finding Colorado's First Bona Fide Diamond Deposit! : Denver Museum of Nature & Science

Diary of a Diamond Prospector - - ICMJ's Prospecting and Mining Journal

Diamond peak Cut Out Stock Images & Pictures - Alamy

Finding Colorado's First Bona Fide Diamond Deposit! : Denver Museum of Nature & Science

A Visitor's Guide to Colorado Gemstones - International Gem Society

NPS Geodiversity Atlas—Colorado National Monument, Colorado (U.S. National Park Service)

PDF) Extreme chemical variation in complex diamonds from George Creek, Colorado: a SIMS study of carbon isotope composition and nitrogen abundance

Map of diamond point hi-res stock photography and images - Alamy

Geologists Unravel the Mysteries of Australia's Rare Pink Diamonds, Smart News

Rock Hounding for Kelsey Lake Diamonds, Jewelry