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Borate ions occur, alone or with other anions, in many borate and borosilicate minerals such as borax, boracite, ulexite (boronatrocalcite) and colemanite. Borates also occur in seawater, where they make an important contribution to the absorption of low frequency sound in seawater. [1] Borates also occur in plants, including almost all fruits. [2]
Takedaite is a borate with the presence of calcium, boron and oxygen. Chemical analysis gave CaO 71.13%, B 2 O 3 28.41%, the H 2 O content was determined by ignition loss at 900°C and was 0.14%, totaling 99.68%.
At the age of 21, he left Wisconsin to prospect for mineral wealth in the American West, starting in Nevada. [4]In 1872, while contracting to provide firewood to a small borax operation at nearby Columbus Marsh, Smith discovered a rich supply of ulexite at Teels Marsh in Mineral County, Nevada, east of Mono Lake, near the town he would found ten years later, Marietta, Nevada, while looking ...
Borate glasses also have major differences in their optical properties. [ 2 ] The single largest use of boron compounds in the world (accounting for half of total global use) is the production of certain types of boron-treated glass fiber for insulating and structural fiberglass . [ 3 ]
After establishing the borax company in 1882, he fell into business trouble. His wife gave notice of her intention to divorce him, and Daunet was swindled out of $11,000. He committed suicide in May 1884. [2] The site of the borax works was listed on the National Register of Historic Places on December 31, 1974. [1]
Borax (also referred to as sodium borate, tincal (/ ˈ t ɪ ŋ k əl /) and tincar (/ ˈ t ɪ ŋ k ər /)) is a salt (ionic compound), a hydrated or anhydrous borate of sodium, with the chemical formula Na 2 H 20 B 4 O 17. [1] [a] It is a colorless crystalline solid that dissolves in water to make a basic solution.
Unlike silicates, boron minerals never contain boron with coordination number greater than four. A typical motif is exemplified by the tetraborate anions of the common mineral borax, shown at left. The formal negative charge of the tetrahedral borate center is balanced by metal cations in the minerals, such as the sodium (Na +) in borax. [1]
The Borate and Daggett Railroad was a 3 ft (914 mm) narrow gauge railroad built to carry borax in the Mojave Desert. The railroad ran about 11 miles (18 km) from Daggett, California, US, to the mining camp of Borate, three miles (4.8 km) to the east of Calico.