Argyle diamond mine of tunnelling, the Argyle underground block cave development was officially completed. In 2013, Argyle is estimated to produce 10.2 million carats with an average per carat price of $25/carat. The Argyle diamond mine is also notable for being the first successful commercial diamond mine exploiting a volcanic pipe of lamproite, rather than the more usual kimberlite pipe; much earlier attempts to mine diamonds from a lamproite pipe in Arkansas, USA were commercially unsuccessful. The Argyle mine is owned by the Rio Tinto Group, a diversified mining company which also owns the Diavik Diamond Mine in Canada and the Murowa Diamond
Another Day in the Diamond average score of 7.5/10 based on 10 reviews. The episode was seen by 3.07 million viewers in the United States on its original air date, far below the previous episodes ratings of 4.09 million viewers. Another Day in the Diamond "Another Day in the Diamond" is the second episode of the fourth season of the post-apocalyptic horror television series "Fear the Walking Dead", which aired on AMC on April 22, 2018. This marks the first appearance of Jenna Elfman as June, but she would go under the alias Naomi for the remainder of the first half until she reveals her