Trace minerals for diamonds

Reply Wed 31 Jan, 2018 09:33 pm
Hi all,
I am new to this site and hope to post on the correct forum.

I need to know what are the minerals that are usually related to diamonds presence.

When we find a kimberlite or an alluvial diamond deposit, usually there are some speficic minerals also found on those locations.

What are the minerals that always (or at least most of the time) are also found on those locations.

Thank you in advance


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Reply Tue 18 Dec, 2018 01:47 am
Indicator minerals for diamond include, in order of decreasing significance: garnet, chromite, ilmenite, clinopyroxene, olivine, and zircon. But the order of persistence in streams is zircon, ilmenite, chromite, garnet, chromian diopside, and olivine.
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