- the gossans. The gold of the
primary veins was
concentrated into the
limonites of the
deeply weathered rocks. In
another example the
deeply weathered...
-
spherical and have
concentric layers reaching 10 mm in diameter. Bauxites,
limonites, and
siderites often have a
pisolitic structure. Ooid
Oolite Mindat -...
-
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...
-
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...
- 253 221 167 H085L90C30
Vintage White 85° 93% 5% 244 239 228 H085L93C05
Limonite Brown 90° 30% 10% 75 68 51 H090L30C10 Bark
Green 90° 30% 20% 81 68 33 H090L30C20...
-
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...
-
grains together.
Other minerals that act as
cements include: hematite,
limonite, feldspars, anhydrite, gypsum, barite, clay minerals, and
zeolite minerals...
- (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...
- Gold vein
stockwork in
limonite, from Gold
Flake Vein,
Farncomb Hill,
Breckenridge Mining District,
Summit County, Colorado, USA...
