Meyerhofferite is a hydrated

borate A borate is any of several boron oxyanions, negative ions consisting of boron and oxygen, such as orthoborate , metaborate , or tetraborate ; or any salt with such anions, such as sodium metaborate, and disodium tetraborate . The name also refe ...

mineral of calcium, with the chemical formula Ca₂B₆O₆(OH)₁₀·2H₂O, CaB₃O₃(OH)₅·H₂OHandbook of Mineralogy
/ref> or Ca₂(H₃B₃O₇)₂·4H₂O.
/ref> It occurs principally as an alteration product of

inyoite Inyoite, named after Inyo County, California, where it was discovered in 1914, is a colourless monoclinic mineral. It turns white on dehydration. Its chemical formula is Ca(HBO)(OH)·4HO or CaB3O3(OH)5·4H2O. Associated minerals include priceite, ...

, another borate mineral. Natural meyerhofferite was discovered in 1914 in

Death Valley Death Valley is a desert valley in Eastern California, in the northern Mojave Desert, bordering the Great Basin Desert. During summer, it is the Highest temperature recorded on Earth, hottest place on Earth. Death Valley's Badwater Basin is the ...

California California is a U.S. state, state in the Western United States, located along the West Coast of the United States, Pacific Coast. With nearly 39.2million residents across a total area of approximately , it is the List of states and territori ...

It is named for German chemist

Wilhelm Meyerhoffer Wilhelm Meyerhoffer (13 September 1864 – 21 April 1906) was a German chemist. Meyerhoffer studied chemistry and worked with Jacobus Henricus van 't Hoff at the University of Amsterdam and the University of Berlin Humboldt-Universit� ...

(1864–1906), collaborator with J. H. van't Hoff on the composition and origin of saline minerals, who first synthesized the compound.

References

{{mineral-stub Nesoborates Calcium minerals Triclinic minerals Minerals in space group 2

See also

References