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Anhydrite, or
anhydrous calcium sulfate, is a
mineral with the
chemical formula CaSO4. It is in the
orthorhombic crystal system, with
three directions...
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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...
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Acetic anhydride, or
ethanoic anhydride, is the
chemical compound with the
formula (CH3CO)2O.
Commonly abbreviated Ac2O, it is the
simplest isolable anhydride...
- gypsum,
anhydrite, halite,
polyhalite Brine precipitate: Fe-montmorillonite, goethite, hematite, siderite, rhodochrosite, pyrite, sphalerite,
anhydrite. The...
- (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...
- evaporites. The most
common marine evaporites are calcite,
gypsum and
anhydrite, halite, sylvite, carnallite, langbeinite, polyhalite, and kainite. Kieserite...
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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...
- baryte,
celestine (strontium sulfate),
anglesite (lead sulfate), and
anhydrite (calcium sulfate).
Baryte and
celestine form a
solid solution (Ba,Sr)SO4...
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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...
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found in
sedimentary rocks,
often ****ociated with the
minerals gypsum,
anhydrite, and halite. On
occasion in some localities, it may also be
found with...
