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

[Oxytropidoceras]

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.