- the iron,
resulting in the
siderite-smithsonite,
siderite-magnesite, and
siderite-rhodochrosite
solid solution series.
Siderite has Mohs
hardness of 3.75...
-
fragments and
fossils can be
replaced by
other minerals (e.g. calcite,
siderite,
pyrite or marcasite)
during diagenesis.
Porosity usually decreases during...
-
chemical compound with
formula FeCO 3, that
occurs naturally as the
mineral siderite. At
ordinary ambient temperatures, it is a green-brown
ionic solid consisting...
-
crystallographic and
physical characters resemble those of
dolomite and
siderite. The
angle between the
perfect rhombohedral cleavages is 73° 48′, the hardness...
-
either of oxides, i.e. limonite, hematite, and magnetite; carbonates, i.e.
siderite; silicates, i.e. chamosite; or some
combination of
these minerals. Freshly...
-
Taconite Sedimentary iron
formation rock
Composition Primary Magnetite,
hematite and
chert Secondary Siderite, greenalite,
minnesotaite and stilpnomelane...
-
oxide group consisting of hematite, goethite, and magnetite. The
carbonate siderite is also
typically mined. A
productive belt of iron
formations is known...
-
Rhodochrosite forms a
complete solid solution series with iron
carbonate (
siderite).
Calcium (as well as
magnesium and zinc, to a
limited extent) frequently...
- Fe),
goethite (FeO(OH), 62.9% Fe),
limonite (FeO(OH)·n(H2O), 55% Fe), or
siderite (FeCO3, 48.2% Fe). Ores
containing very high
quantities of
hematite or...
- the iron
oxide minerals such as
hematite (Fe2O3),
magnetite (Fe3O4), and
siderite (FeCO3),
which are the
major ores of iron. Many
igneous rocks also contain...
