• Thumbnail for Limonite
    Limonite (/ˈlaɪməˌnaɪt/) is an iron ore consisting of a mixture of hydrated iron(III) oxide-hydroxides in varying composition. The generic formula is frequently...
    15 KB (1,669 words) - 16:49, 7 February 2024
  • Thumbnail for Ochre
    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...
    39 KB (4,937 words) - 18:53, 25 July 2024
  • Thumbnail for Vug
    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...
    4 KB (396 words) - 00:46, 6 March 2024
  • 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...
    13 KB (1,612 words) - 12:45, 30 April 2024
  • Thumbnail for Iron-rich sedimentary rocks
    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...
    16 KB (2,062 words) - 00:10, 14 January 2024
  • Thumbnail for Tiger's eye
    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...
    6 KB (544 words) - 17:11, 17 July 2024
  • is frequently seen in relatively soft, loosely bound minerals, such as limonite, kaolinite and aluminite. Hackly fracture (also known as jagged fracture)...
    3 KB (296 words) - 17:50, 20 January 2024
  • Thumbnail for Laterite
    weathering of grey serpentinite to greyish-brown nickel-containing laterite with a high iron percentage (nickel limonite), near Mayagüez, Puerto Rico....
    36 KB (3,948 words) - 18:46, 26 June 2024
  • kinds of lateritic nickel ore have to be distinguished: limonite types and silicate types. Limonite type laterites (or oxide type) are highly enriched in...
    8 KB (1,147 words) - 15:24, 27 February 2024
  • Thumbnail for Hydrozincite
    smithsonite, hemimorphite, willemite, cerussite, aurichalcite, calcite and limonite. It was first described in 1853 for an occurrence in Bad Bleiberg, Carinthia...
    3 KB (122 words) - 19:25, 17 January 2024