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Limonite (/ˈlaɪməˌnaɪt/) is an iron ore
consisting of a
mixture of
hydrated iron(III) oxide-hydroxides in
varying composition. The
generic formula is frequently...
-
major ingredient of all the
ochres is iron(III) oxide-hydroxide,
known as
limonite,
which gives them a
yellow colour. A
range of
other minerals may also be...
-
curve of a
limonite vug
Example of open
space in a vug
allowing the
formation of
crystallized minerals Apple green pyromorphite cluster on
limonite matrix...
- iron oxides. In the case of sienna, the most
prevalent iron
oxides are
limonite (which in its
natural state has a
yellowish color), and goethite. In addition...
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quartz crystals and
altered amphibole fibres that have
mostly turned into
limonite.
Tiger iron is an
altered rock
composed chiefly of tiger's eye, red jasper...
- (hypogene zone).
Pyrite (FeS2) has
oxidised to form
goethite (FeO(OH)) and
limonite (FeO(OH)·nH2O),
which form a
porous covering over the
oxidized zone known...
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readily oxidizes to
limonite. When it is
partially or
fully oxidized to
limonite, the
green color becomes a yellowish-brown.
Limonite is
opaque under the...
- is
frequently seen in
relatively soft,
loosely bound minerals, such as
limonite,
kaolinite and aluminite.
Hackly fracture (also
known as
jagged fracture)...
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Adamite on
limonite from the Gold Hill
District Tooele County, Utah, US.
Scale at
bottom is c. 2.5 cm....
- Gold vein
stockwork in
limonite, from Gold
Flake Vein,
Farncomb Hill,
Breckenridge Mining District,
Summit County, Colorado, USA...
