hydrozincite


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Related to hydrozincite: smithsonite

hydrozincite

[‚hī·drō′ziŋ‚kīt]
(mineralogy)
Zn5(OH)5(CO3)2 A white, grayish, or yellowish mineral composed of basic zinc carbonate, occurring as masses or crusts.
References in periodicals archive ?
Typical uncertainties in the fractions listed for each standard component are 5% Franklenite Hydrozincite Zn-sulfate Ferihydrite adsorbed Zn Close 1 0.
Associations are limited to calotte (which covers the matrix as a fine-grained white blanket to 1 or 2 cm thick on some specimens), vanadinite, descloizite, willemite and hydrozincite.
A search through the recently computerized X-ray film archive (9-cm Debye-Scherrer camera) at the Mineralogical-Geological Museum in Oslo verifies that antigorite, clinozoisite, hematite, hornblende, hydrozincite, lollingite, nontronite, orthochrysotile, portlandite, and stevensite have also been identified from mines and prospects in the Kongsberg area.
White coatings of microcrystalline hydrozincite have been found in the Brenner workings.
Hydrozincite occurs as a component of the white encrustations on the mine walls produced by post-mining oxidation of sphalerite.
Conversely, a number of species occurring at the Blanchard mine (antlerite, cinnabar, hydrozincite, sulfur, mottramite, otavite, and cuprite) have not been found at the Mex-Tex mine.
A little zinc is represented by smithsonite and hydrozincite lining vugs and watercourses.
1995) report aragonite in the district in channels and vugs associated with smithsonite, hydrozincite, wulfenite, vanadinite and mimetite.
The zinc orebody was discovered in 1900 and mining began the next year; it was near-surface, and predominately smithsonite, though hydrozincite and disseminated sphalerite were also extracted in modest quantities.
Hydrozincite found in association with albite, brookite, calcite, celestine, dolomite, fluorapatite, goethite, microcline, pyrite, quartz, futile, smithsonite and sphalerite was added to the list by Wilk (1989).
The deposits, mainly composed of smithsonite along with some hydrozincite, hemimorphite and sulfides (sphalerite and galena) in a carbonate gangue (dolomite and calcite), have diverse forms (Vazquez Guzman, 1980).
Secondary minerals such as cerussite, hydrozincite, smith-sonite, wulfenite, mimetite, etc.