Kimberlite
![Kimberlite from U.S.A.](/Images/godic/202501/22/Kimberlite_picture1524.jpg")
![QEMSCAN mineral map of kimberlite from South Africa](/Images/godic/202501/22/Kimberlite_crosssection_QEMSCAN1525.png")
Kimberlite is an igneous rock best known for sometimes containing diamonds. It is named after the town of Kimberley in South Africa, where the discovery of an 83.5-carat (16.70 g) diamond called the Star of South Africa in 1869 spawned a diamond rush, eventually creating the Big Hole.