Natural Diamond Origin | The Point Two Gram

Natural diamonds and their associated minerals are the only direct samples we have of the deep Earth. Here we highlight studies that investigate the origin of natural diamonds, and the mineralogy of the deep inaccessible Earth. Geologists can use these studies to help them refine exploration models and find new diamond mines.

In October 2020, a flawless D-colour 102 carat diamond sold for $15.7 million US (read more here). Diamonds like this make headlines from...

Diamond, clearly, is synonymous with the gemological trade but in the last 20 years of material science research, diamond is now firmly...

Quartz conglomerates from Nunavut in northern Canada (near the Coronation Gulf) are one part of the puzzle to figure out when and how the...

We know that subduction is the key way to get carbon into the diamond-forming regions of the deep Earth. But which rocks in the...

Siberia has among the highest grade diamond mines in the world. But did you know that we had two women to thank for their discovery? The...

Nitrogen is the most common trace element in both natural and laboratory-grown diamonds, and the number and nature of the...

Kimberlites are complex volcanic eruptions that have ferociously traversed more than a hundred kilometers of rock from source to surface....

Diamonds are comprised mostly of carbon. Any other elements present in the diamond are normally at incredibly low abundances that are...

Colourless olivine inclusion in a natural rough octahedral diamond. Image by Stefano Castelli (University of Padova). Natural diamonds...

Image of a garnet mineral inclusion in diamond by Anetta Banas (University of Alberta). Natural diamonds are rare. Where should diamond...

CLIPPIR is an abbreviation for diamonds that are Cullinan-like, large, inclusion-poor, relatively-pure, irregularly-shaped and resorbed....