Diamonds Form in Australia
One of the richest diamond deposits in the world forms in Argyle, northwestern Australia. These diamonds probably form in an uncommon type of potassium-rich igneous rock called lamproite, and are later carried to the surface by ascending lamproite and kimberlite magmas.
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhRKxIiQgUzbPAtHCNrfuLZWGf_3kbtVieKH0GUfnVbSwALxqyEi8320S8FbQjHjgLN4fKdWBJfuCTMpumoYHSrpueB8daQ4_tQRz3PlG0lWiImFtT2epx9VNbk2lqjBNi4XH6mthKsK_K7/s1600/Pink_argyle_diamond.jpg)
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