vivianite


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vivianite

(ˈvɪvɪəˌnaɪt)
n
(Minerals) mineralogy a phosphate of iron
References in periodicals archive ?
Vivianite Michael Halford 5th, 7f two-year-old maiden, Dundalk, November 1 On an evening where Pat Smullen was desperate for winners to keep his championship bid alive, this filly was fully expected to score as she was sent off the 11-10 favourite.
other services to be provided on an as needed basis are cleaning glass lined piping and tanks of vivianite buildup, confined space tank cleaning, channel cleaning and floor drains to include sumps.
Small, bright blue concretions were observed that X-ray diffraction confirmed to be the mineral vivianite ([Fe.
It is also possible that phosphate minerals did not form because not enough iron was available for precipitation of variscite, strengite, or vivianite.
There was also vivianite powder, derived from an iron phosphate mineral, to be applied to the face," the paper reported.
This issue of the centennial volume of the journal begins with an article discussing geology, specifically a rare mineral known as vivianite.
2]), which is a hydrous silicate of iron and potassium, or by vivianite ([Fe.
For example, Ptacek (1998) describes the elevated presence of vivianite, an amorphous ferric phosphate, which has been formed following dissolution and subsequent precipitation in the more reduced lower zones of the aquifer.
We believe this is the first reported occurrence of vivianite in western Tennessee.
2010) observed that, although substantial proportions of FeIII oxide sorbents were dissolved in anoxic soils, the majority of anoxic soils had higher maximum sorption than their oxic counterparts, most likely due to precipitation of iron(II) phosphates such as vivianite.