Limonite (/ˈlaɪməˌnaɪt/) is an iron ore consisting of a mixture of hydrated iron(III) oxide-hydroxides in varying composition. The generic formula is frequently...

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...

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...

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...

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...

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...

is frequently seen in relatively soft, loosely bound minerals, such as limonite, kaolinite and aluminite. Hackly fracture (also known as jagged fracture)...

weathering of grey serpentinite to greyish-brown nickel-containing laterite with a high iron percentage (nickel limonite), near Mayagüez, Puerto Rico....

kinds of lateritic nickel ore have to be distinguished: limonite types and silicate types. Limonite type laterites (or oxide type) are highly enriched in...

Gold vein stockwork in limonite, from Gold Flake Vein, Farncomb Hill, Breckenridge Mining District, Summit County, Colorado, USA...

Adamite on limonite from the Gold Hill District Tooele County, Utah, US. Scale at bottom is c. 2.5 cm....

(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...

72.4% Fe), hematite (Fe 2O 3, 69.9% Fe), goethite (FeO(OH), 62.9% Fe), limonite (FeO(OH)·n(H2O), 55% Fe), or siderite (FeCO3, 48.2% Fe). Ores containing...

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...

ore - saprolite ore and limonite ore. The company's saprolite ore comes in two varieties: high-grade and mid-grade. NAC's limonite ore is categorized as...

are not uncommon in sea beds, and that the materials found, including limonite and goethite, can indeed be formed by nature itself. The single sonar image...

oxyhydroxide is the main component of other minerals and mineraloids: Limonite is a commonly occurring mixture of mainly goethite, lepidocrocite, quartz...

smithsonite, hemimorphite, willemite, cerussite, aurichalcite, calcite and limonite. It was first described in 1853 for an occurrence in Bad Bleiberg, Carinthia...

iron minerals comprising ironstones can consist either of oxides, i.e. limonite, hematite, and magnetite; carbonates, i.e. siderite; silicates, i.e. chamosite;...

widespread iron mineral, one of the most important iron ores; Iron ochre or limonite: 85  — Fe2O3·Н2О,: 30  a mixture of secondary natural minerals, iron oxide...

Fire agate is a variety of chalcedony with inclusions of goethite or limonite causing an iridescent effect. It can display a wide range of iridescent...

the fissures of almost any kind of rock, being most commonly found with limonite, sandstone, rhyolite, marl, and basalt. The name opal is believed to be...

1345-25-1 FeO2 iron dioxide 12411-15-3 FeO2H goethite 1310-14-1 FeO2H · nH2O limonite 1317-63-1 Fe(OH)2 iron(II) hydroxide 18624-44-7 Fe(OH)3 iron(III) hydroxide...

grains together. Other minerals that act as cements include: hematite, limonite, feldspars, anhydrite, gypsum, barite, clay minerals, and zeolite minerals...

around 22,000 to 28,000 years ago. The Monpazier Venus is carved out of limonite, a local rock, and is about 4.7 centimeters (1.85 inches) in height. It...

south and the east. The ore used was limonite in the form of red soil and bog ore. From 200 CE ore from limonite-deposits in lakes was used. The ore was...

recording tapes. Great Oxidation Event Iron cycle Iron oxide nanoparticle Limonite List of inorganic pigments Iron(II) hydroxide Cornell., RM.; Schwertmann...

thin layer of very hard steel (traditionally crucible steel made from limonite iron) is sandwiched between two layers of softer metal, which makes the...

Exports: General cargo, building materials, liquid cargoes, sugar, granite, limonite ore UN/LOCODE INTUT Statistics Vessel arrivals 1,492 (2011-12) Annual cargo...

of the dissolved ore minerals). In other cases, quartz and iron oxides, limonite, goethite, and jarosite, exist as pseudomorphs, replacing the pyrite and...