Bassanite is a calcium sulfate mineral with formula CaSO4·1/2H2O or 2CaSO4·H2O. In other words it has half a water molecule per CaSO4 unit, hence its synonym calcium sulfate hemihydrate. Bassanite was first described in 1910 for an occurrence on Mount Vesuvius. It was named for Italian paleontologist Francesco Bassani (1853–1916). At Vesuvius it occurs as alterations from gypsum within leucite tephrite and as fumarole deposits. It occurs in dry lake beds in California and Australia. It also occurs interlayered with gypsum in caves.
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| - Bassanite (en)
- Bassanita (ca)
- Hemihydrát síranu vápenatého (cs)
- Bassanit (de)
- Bassanita (es)
- Bassanita (eu)
- Bassanite (fr)
- Bassanite (it)
- 燒石膏 (zh)
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| - La bassanita és un mineral de la classe dels sulfats. Va rebre el seu nom l'any 1910 per Ferruccio Zambonini en honor de Francesco Bassani (1853-1916), professor de paleontologia de la Universitat de Nàpols. (ca)
- Hemihydrát síranu vápenatého CaSO4 · ½ H2O je za běžných podmínek pevná mikrokrystalická látka bílé barvy. Nejznámější formou jejího výskytu je sádra, uměle vyráběný materiál širokého použití. V přírodě se vyskytuje jako minerál bassanit. (cs)
- Bassanita sulfato motako minerala da. (eu)
- La bassanite est une espèce minérale composée de sulfate de calcium hémihydraté, de formule chimique CaSO4 • H2O. Microcristaux ne dépassant pas les 100 micromètres. (fr)
- La bassanite è un minerale, un solfato di calcio emiidrato avente formula CaSO4·0,5(H2O) (alternativamente 2CaSO4·H2O). La bassanite fu descritta per la prima volta nel 1910 in un affioramento sul Vesuvio dal mineralogista Ferruccio Zambonini (1880-1932).Fu così chiamata in onore del geologo e paleontologo italiano Francesco Bassani (1853-1916) dell'Università di Napoli "Federico II". (it)
- Bassanite is a calcium sulfate mineral with formula CaSO4·1/2H2O or 2CaSO4·H2O. In other words it has half a water molecule per CaSO4 unit, hence its synonym calcium sulfate hemihydrate. Bassanite was first described in 1910 for an occurrence on Mount Vesuvius. It was named for Italian paleontologist Francesco Bassani (1853–1916). At Vesuvius it occurs as alterations from gypsum within leucite tephrite and as fumarole deposits. It occurs in dry lake beds in California and Australia. It also occurs interlayered with gypsum in caves. (en)
- Bassanit, nicht zu verwechseln mit dem magmatischen Gestein Basanit, ist ein eher selten vorkommendes Mineral aus der Mineralklasse der „Sulfate (einschließlich Selenate, Tellurate, Chromate, Molybdate, Wolframate)“ mit der chemischen Zusammensetzung Ca[SO4]·0,5 H2O. Das Mineral ist damit chemisch gesehen ein wasserhaltiges Calciumsulfat und aufgrund seines Wasseranteils auch als Halbhydrat oder Hemihydrat bekannt. (de)
- La bassanita es un mineral compuesto de sulfato de calcio hemihidratado (CaSO4.1/2H2O). Se describió por primera vez en 1906 en una roca volcánica del Vesubio y se denominó así en honor del geólogo italiano Francesco Bassani (1853-1916). El sulfato cálcico se presenta en la naturaleza bajo las siguientes formas: yeso (sulfato cálcico dihidratado) CaSO4.2H2O, bassanita (sulfato cálcico hemihidratado) CaSO4.1/2H2O y anhidrita (sulfato cálcico anhidro) CaSO4. (es)
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streak
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strunz
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twinning
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| - a = 12.0317 Å, (en)
- b = 6.9269 Å, (en)
- c = 12.6712 Å, β = 90.27°; Z = 12 (en)
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| - White radial-acicular Bassanite crystals from Kimba, Eyre Peninsula, South Australia (en)
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