Kimberlite

(noun.) a rare type of peridotite that sometimes contains diamonds; found in South Africa and Siberia.

乔迪校对

• The Kimberlite of the Jagersfontein mine is free from pyrites, and to that is attributed the remarkable brilliancy and purity of color for which the diamonds of this mine are celebrated. 佚名. 神奇的知识之书.
• In this blue clay or Kimberlite in these chimneys, is found nature’s most wonderful creation, the diamond crystallized from pure carbon, in intense heat, and under titanic pressure. 佚名. 神奇的知识之书.

校对:诺艾尔