Scientists have uncovered a rare “super-deep” diamond in the Cullinan mine in Gauteng province of South Africa. Wrapped in this diamond is the mineral calcium silicate perovskite, the fourth-most abundant mineral found on Earth. The discovery is significant because, despite the mineral's abundance, this marks the first time in which calcium silicate perovskite has been found in nature. “This was very special because this mineral had been theoretically predicted, but it was not thought possible...
from Inhabitat - Green Design, Innovation, Architecture, Green Building https://inhabitat.com/rare-super-deep-diamond-and-mineral-found-in-south-african-mine
via Inhabitat
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