[Rockhounds] Mysterious Mineral from Earth's Mantle Found in South African Diamond

[Paul]

Mysterious Mineral from Earth's Mantle Discovered in South
African Diamond By Nicoletta Lanese, Live Science,?? Planet Earth
https://www.livescience.com/new-mineral-discovered-in-diamond.html
https://www.sciencealert.com/single-grain-of-african-diamond-found-to-be-unlike-anything-the-world-has-ever-seen
https://www.mirror.co.uk/science/mysterious-new-mineral-earths-mantle-20166701

The paper is:

Meyer, N.A., Wenz, M.D., Walsh, J.P., Jacobsen, S.D., Locock, A.J.
and Harris, J.W., 2019. Goldschmidtite,(K, REE, Sr)(Nb, Cr) O3:
A new perovskite supergroup mineral found in diamond from
Koffiefontein, South Africa. American Mineralogist, 104(9),
pp.1345-1350.
https://www.degruyter.com/view/j/ammin.2019.104.issue-9/am-2019-6937/am-2019-6937.xml
https://pubs.geoscienceworld.org/msa/ammin/article/104/9/1345/573334/Goldschmidtite-KREESrNbCrO3-A-new-perovskite

Yours,

Paul H.