Assertion: carbonado | /r/AtLocation | brazil
Facets:
Source sentences:
text: Black diamonds are found only in Brazil and the Central African Republic.
text: Carbonado is found only in Brazil and Africa, while most of the other diamonds are spread all over the world.
text: Black diamonds are found only in Brazil and the Central African Republic."Conventional diamonds are mined from explosive volcanic rocks [kimberlites] that transport them from depths in excess of 100 kilometers to the Earth's surface in a very short amount of time," said Sonia Esperanca, program director in the National Science Foundation's Division of Earth Sciences, which funded the research.