What rock is diamond found in?

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Background. The diamond is the hardest natural substance known. It is found in a type of igneous rock known as kimberlite. The diamond itself is essentially a chain of carbon atoms that have crystallized.

Diamond is only formed at high pressures. It is found in kimberlite, an ultrabasic volcanic rock formed very deep in the Earth's crust. The extreme pressures needed to form diamonds are only reached at depths greater than 150km.

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Diamond is only formed at high pressures. It is found in kimberlite, an ultrabasic volcanic rock formed very deep in the Earth's crust. The extreme pressures needed to form diamonds are only reached at depths greater than 150km.

Diamonds are found naturally in Kimberlite rocks or alluvial deposits. Kimberlite rocks are rocks occurring in old volcanic pipes and they are the main hosts. These rocks are carried by

Lamproite, another igneous intrusive rock, contains the diamonds found in the Australian Argyle and Ellendale mines. Microdiamonds have been found in high-pressure metamorphic rocks in China, Europe, Russia and Indonesia. Tiny diamonds have also been found in a few meteorites.

“There is a possibility of the diamond but most probably occurrence there could be quartz. Quartz is another type of a rock which is common occurring. But it is used for ornaments. When it is [a] type of a quartz, that is very much beautiful.”