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pozzolanic ash (Latin:
pulvis puteol****), is a
natural siliceous or siliceous-
aluminous material which reacts with
calcium hydroxide in the
presence of water...
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predominantly of
hydraulic calcium aluminates.
Alternative names are "
aluminous cement", "high-alumina cement", and "Ciment fondu" in French. They are...
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Pozzolans are a
broad class of
siliceous and
aluminous materials which, in themselves,
possess little or no
cementitious value but
which will, in finely...
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dedicated to
geological researches in the
papal states. His
account of the
aluminous district of
Tolfa and
adjacent hills,
published in 1786,
gained for him...
- silicon, hydrogen, chlorine, oxygen, and fluorine.
Zunyite occurs in
highly aluminous shales and
hydrothermally altered volcanic rocks. It
occurs in ****ociation...
- 3Na2O⋅3Al2O3⋅6SiO2⋅Na2SO4 4–40%
Cancrinite Na3⋅CaAl3⋅Si3⋅O12CO3 0–20%
Aluminous-goethite (
aluminous iron oxide) α-(Fe,Al)OOH 10–30%
Hematite (iron oxide) Fe2O3...
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Joseph R.; Langenhorst,
Falko (19
January 2007). "Water
solubility in
aluminous orthopyroxene and the
origin of Earth's asthenosphere". Science. 315 (5810):...
- the iron-endmember annite, and the magnesium-endmember phlogopite; more
aluminous end-members
include siderophyllite and eastonite.
Biotite was regarded...
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hornblende in mica-schist at
Kongsberg in
Norway and some
other localities. An
aluminous related species is
known as
gedrite and a deep
green Russian variety containing...
- the
minerals olivine, clinopyroxene, orthopyroxene, and an
aluminous phase. The
aluminous phase is
plagioclase in the
uppermost mantle, then spinel, and...
