Nobleite
Encyclopedia
Nobleite is a rare borate
mineral with the chemical formula CaB6O9(OH)2·3(H2O). It was discovered in 1961, in Death Valley
, California
, and is named for Levi F. Noble
, a USGS geologist, in honor of his contributions to the geology of the Death Valley region.
Nobleite has also been identified at two localities in Chile
and Argentina
.
Borate
Borates are chemical compounds which contain oxoanions of boron in oxidation state +3. The simplest borate ion, BO33−, has a trigonal planar structure. Other borates are made up of trigonal BO3 or tetrahedral BO4 structural units, sharing oxygen atoms...
mineral with the chemical formula CaB6O9(OH)2·3(H2O). It was discovered in 1961, in Death Valley
Death Valley
Death Valley is a desert valley located in Eastern California. Situated within the Mojave Desert, it features the lowest, driest, and hottest locations in North America. Badwater, a basin located in Death Valley, is the specific location of the lowest elevation in North America at 282 feet below...
, California
California
California is a state located on the West Coast of the United States. It is by far the most populous U.S. state, and the third-largest by land area...
, and is named for Levi F. Noble
Levi F. Noble
Levi Fatzinger Noble was an American geologist. He was born in 1882 into a prominent and wealthy family of Auburn, New York. He received his bachelor’s degree in 1904 and his doctorate in 1909, both from Yale University....
, a USGS geologist, in honor of his contributions to the geology of the Death Valley region.
Nobleite has also been identified at two localities in Chile
Chile
Chile ,officially the Republic of Chile , is a country in South America occupying a long, narrow coastal strip between the Andes mountains to the east and the Pacific Ocean to the west. It borders Peru to the north, Bolivia to the northeast, Argentina to the east, and the Drake Passage in the far...
and Argentina
Argentina
Argentina , officially the Argentine Republic , is the second largest country in South America by land area, after Brazil. It is constituted as a federation of 23 provinces and an autonomous city, Buenos Aires...
.