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Allophane is an
amorphous to
poorly crystalline hydrous aluminium silicate clay mineraloid. Its
chemical formula is Al2O3·(SiO2)1.3-2·(2.5-3)H2O. Since...
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Allophanes is a
genus of
beetles in the
family Carabidae,
containing the
following species:
Allophanes auripennis (Chaudoir, 1877)
Allophanes drescheri...
- high
proportions of gl**** and
amorphous colloidal materials,
including allophane,
imogolite and ferrihydrite. In the
World Reference Base for Soil Resources...
-
identifying and
describing amorphous substances that
resemble minerals.
Allophane,
solid (IMA/CNMNC
valid mineral name) Amber, non-crystalline structure...
- U.S. ice-free land. Andisols: Form from
volcanic ejecta,
dominated by
allophane or Al-humic complexes; Must have
andic soil properties: high in poorly...
-
basic or the
climate is dry,
amorphous colloidal materials,
including allophane and
imogolite develop, and the
Andosols are
given the
Silandic qualifier...
-
significance of
alternating wet and dry
conditions on the
transition of
allophane into
kaolinite has been
stressed by
Tamura and
Jackson (1953). The role...
- in
length at the El
Dragon Mine, Potosi,
Bolivia in ****ociation with
allophane, chalcomenite,
clinochalcomenite and barite.
Wikimedia Commons has media...
- by the same
principle as
cation exchange. The
surfaces of kaolinite,
allophane and iron and
aluminium oxides often carry positive charges. In most soils...
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Clinochlore Cookeite Donb****ite
Gonyerite Nimite Pennantite Sudoite Allophanes Allophane Chrysocolla Imogolite Neotocite Sepiolites Falcondoite Ferrisepiolite...
