discovery of davemaoite, the CaSiO3-perovskite,
in a diamond
from Earth’s lower mantle
George R. Rossman1, Oliver Tschauner2
1Division of Geological and Planetary Sciences, Califorina Institute of Technology
2 Department of Geoscience, University of Nevada, Las Vegas
examination of inclusions in an 81 mg octahedral diamond from Orapa,
Botswand has resulted in the discovery of the high-pressure form of
CaSiO3 in the perovskite structure.
A coated diamond from Orapa similar to the one in which davemaoite was disicovered.