Arctic Star Reports, Nitrogen Free Diamonds, Further Encouragement that Sequoia may have >50ct Diamonds
Analysis of 12 >0.3mm diamonds, recovered in 2021 from the Sequoia kimberlite complex shows 50% are nitrogen free type IIa diamonds This result adds to a number of lines of evidence that this kimberlite complex has the potential to carry >50ct gems, indicator mineral chemistry collaborates with this, along with the diamond size distribution and…