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Halloysite is an
aluminosilicate clay
mineral with the
empirical formula Al2Si2O5(OH)4. Its main
constituents are
oxygen (55.78%),
silicon (21.76%), aluminium...
- of
Coastal Research: 97–112. JSTOR 25736978. Bates,
Thomas F. (1962). "
Halloysite and
Gibbsite Formation in Hawaii".
Clays and Clay Minerals. pp. 315–328...
- cation-exchange
capacity (1–15 meq/100 g).
Rocks that are rich in kaolinite, and
halloysite, are
known as
kaolin (/ˈkeɪ.əlɪn/) or
china clay. In many
parts of the...
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conditions and to
halloysite-10Å (endellite) in
acidic conditions (pH 5 or lower).
Halloysite-10Å can
further transform into
halloysite-7Å by drying. Montmorillonite...
- elements,
recrystallizing feldspar into clay
minerals such kaolinite,
halloysite, and montmorillonite. In
tropical regions where precipitation is high...
-
Sylwia (October 31, 2019). "Characterization of
Diatomaceous Earth and
Halloysite Resources of Poland". Minerals. 9 (11): 670. Bibcode:2019Mine....9..670L...
- 55.78% oxygen. It has the same
composition as kaolinite, nacrite, and
halloysite, but with a
different crystal structure (polymorph). ****ite sometimes...
- groups:
Kaolin group which includes the
minerals kaolinite, ****ite,
halloysite, and
nacrite (polymorphs of Al2Si2O5(OH)4). Some
sources include the...
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nanospheres (with
controlled size) when it is
grown in the
presence of
halloysite nanotubes. The high pH and high
temperature of the
aqueous solution helps...
- of
hollow spherules ~3–5 nm in diameter.
Allophane can
alter to form
halloysite under resilicating aqueous conditions and can
alter to form
gibbsite under...
