Initially, it may seem extremely daunting to be sitting in front of several thousand carats of
small diamonds, knowing that the likelihood of finding a diamond with a meaningful …

Earth's carbon, derived from planetesimals in the 1 AU region during accretion of the Solar
System, still retains similarities to carbon found in meteorites (Marty et al. 2013) even after …

Economic geology is a mixtum compositum of all geoscientific disciplines focused on one
goal, finding new mineral depsosits and enhancing their exploitation. The keystones of this …

The origin of cratonic diamonds is reviewed on the basis of nearly 5000 analyses of silicate,
oxide and sulphide inclusions in diamonds. Compositional fields are defined for common …

Geothermobarometric calculations for a worldwide database of inclusions in diamond
indicate that formation of the dominant harzburgitic diamond association occurred …

Bulk-rock geochemical compositions of hypabyssal kimberlites, emplaced through the
Archaean Kaapvaal craton and Proterozoic Namaqua–Natal belt, are used to estimate close …

One of the key scientific questions about diamonds is “how are they formed?” To answer this
question, we need to know the diamond-forming reactions and the physicochemical …

Since first being discovered in India over 2000 years ago, the most striking and universally
recognized shape of an uncut diamond is the octahedron. This shape was revered from …

Diamonds form in the upper mantle during episodic events and have been transported to the
Earth's surface from at least the Archean to the Phanerozoic. Small diamonds occur as …

Following the discovery of diamonds in river deposits in central South Africa in the mid
nineteenth century, it was at Kimberley where the volcanic origin of diamonds was first …