variscite


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var·i·scite

 (vâr′ĭ-sīt′, văr′-)
n.
A rare, light to dark or bluish green, translucent mineral, Al(PO4)·2H2O, found in aluminum-rich rocks and sometimes used as a semiprecious stone.

[German Variscit, from Medieval Latin Variscia, ancient name for Vogtland, region of Germany where the mineral was discovered.]

variscite

(ˈværɪˌsaɪt)
n
(Minerals) a green secondary mineral consisting of hydrated aluminium phosphate
[from Medieval Latin Variscia, the district of Vogtland in Saxony]
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References in periodicals archive ?
Basic features of the variscite extraction in Palazuelo de las Cuevas (Zamora)
We have implemented CGW based on Variscite System-on-Module (SoM) with Linux Debian operating system.
The gemological and mineral characteristics of variscite from Ma'anshan of Anhui Province.
Precipitation of the minerals strengite or variscite would be possible at this site during the study period given the near-neutral pH of soil (6.
Enfin, cette transformation d'ordre culturel et social semble valoir pour les animaux et pour certaines matieres minerales exploitees sur ou a proximite des figures peintes (silex, serpentine, variscite, minerai de cuivre, etc.
In 1834, the Heidelberger-Mineralien Comptoir sold what would become the type specimen for variscite to August Breithaupt.
Inspired by the Southwest, The Suzanne ($40) features a subtle heel and multiple stones in finishes of turquoise, coral, variscite, opal, and onyx.
Lindsay (1979) described minerals such as variscite, strengite, and barrandite are insoluble at pH <2, but readily hydrolysed when the pH is increased, such as in the presence of NaOH.
5, Al and Fe phosphates such as variscite and strengite were most stable.
Prehistoric mining tools of the variscite mines of Palazuelo de las Cuevas (Zamora) and Pico Centeno (Huelva).
Chemical and physical weathering, along with a reduction in soil pH from the leaching of basic cations, give rise to the many forms of P secondary minerals, such as the Fe-enriched strengite and the Al-enriched variscite (Lindsay 1979).