Anhydrite, or anhydrous calcium sulfate, is a mineral with the chemical formula CaSO4. It is in the orthorhombic crystal system, with three directions...
10 KB (868 words) - 09:33, 2 August 2024
Calcium sulfate (redirect from Β-anhydrite)
compound with the formula CaSO4 and related hydrates. In the form of γ-anhydrite (the anhydrous form), it is used as a desiccant. One particular hydrate...
19 KB (1,828 words) - 19:45, 7 June 2024
Acetic anhydride (redirect from Acetic anhydrite)
Acetic anhydride, or ethanoic anhydride, is the chemical compound with the formula (CH3CO)2O. Commonly abbreviated Ac2O, it is the simplest isolable anhydride...
17 KB (1,392 words) - 13:43, 19 July 2024
evaporites. The most common marine evaporites are calcite, gypsum and anhydrite, halite, sylvite, carnallite, langbeinite, polyhalite, and kainite. Kieserite...
15 KB (1,716 words) - 22:31, 30 July 2024
(350 °F), the nearly water-free form, called γ-anhydrite (CaSO4·nH2O where n = 0 to 0.05) is produced. γ-anhydrite reacts slowly with water to return to the...
40 KB (5,259 words) - 08:38, 28 July 2024
gypsum, anhydrite, halite, polyhalite Brine precipitate: Fe-montmorillonite, goethite, hematite, siderite, rhodochrosite, pyrite, sphalerite, anhydrite. The...
59 KB (6,498 words) - 20:33, 6 August 2024
baryte, celestine (strontium sulfate), anglesite (lead sulfate), and anhydrite (calcium sulfate). Baryte and celestine form a solid solution (Ba,Sr)SO4...
23 KB (2,224 words) - 18:23, 8 August 2024
found in limestone and the fossilised remnants of early sea life; gypsum, anhydrite, fluorite, and apatite are also sources of calcium. The name derives from...
47 KB (5,901 words) - 15:06, 21 July 2024
The drilling perforated an anhydrite layer and caused high-pressure groundwater to come into contact with the anhydrite, which then began to expand....
8 KB (800 words) - 15:34, 21 May 2024
Billingham (section Anhydrite Mine)
government from 2021. In 1983, NIREX announced a proposal to use the disused anhydrite mine as a site for the disposal of intermediate level nuclear waste. There...
33 KB (3,594 words) - 06:31, 8 August 2024