-
Anhydrite, or
anhydrous calcium sulfate, is a
mineral with the
chemical formula CaSO4. It is in the
orthorhombic crystal system, with
three directions...
-
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...
- selenite. It
forms as an
evaporite mineral and as a
hydration product of
anhydrite. The Mohs
scale of
mineral hardness defines gypsum as
hardness value 2...
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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...
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Evaporite Formation consists thick beds of halite, with
interbeds of
anhydrite, dolomite,
dolomitic mudstone and claystone. In
southern Saskatchewan...
-
formed crystals and dis****d
grains often embedded within gypsum and
anhydrite crystals. It has a Mohs
hardness of 7 to 7.5 and a
specific gravity of...
-
blanketed by the
widespread deposition of
Louann Salt and ****ociated
anhydrite evaporites.
During the late Jur****ic,
continued rifting widened the basin...
- evaporites. The most
common marine evaporites are calcite,
gypsum and
anhydrite, halite, sylvite, carnallite, langbeinite, polyhalite, and kainite. Kieserite...
- baryte,
celestine (strontium sulfate),
anglesite (lead sulfate), and
anhydrite (calcium sulfate).
Baryte and
celestine form a
solid solution (Ba,Sr)SO4...
-
found in
limestone and the
fossilized remnants of
early sea life; gypsum,
anhydrite, fluorite, and
apatite are also
sources of calcium. The name
derives from...
