• Thumbnail for Pyrite
    The mineral pyrite (/ˈpaɪraɪt/ PY-ryte), or iron pyrite, also known as fool's gold, is an iron sulfide with the chemical formula FeS2 (iron (II) disulfide)...
    43 KB (4,496 words) - 23:32, 2 August 2024
  • The pyrite group of minerals is a set of cubic crystal system minerals with diploidal structure. Each metallic element is bonded to six "dumbbell" pairs...
    2 KB (161 words) - 02:47, 29 May 2024
  • Thumbnail for Pyrrhotite
    Pyrrhotite (redirect from Magnetic pyrite)
    known as troilite. Pyrrhotite is also called magnetic pyrite, because the color is similar to pyrite and it is weakly magnetic. The magnetism decreases as...
    26 KB (2,402 words) - 14:09, 29 July 2024
  • Thumbnail for Chalcopyrite
    Chalcopyrite (redirect from Copper pyrite)
    historically referred to as "yellow copper". Chalcopyrite is often confused with pyrite and gold since all three of these minerals have a yellowish color and a...
    23 KB (2,301 words) - 18:42, 29 April 2024
  • Thumbnail for Marcasite
    "white iron pyrite", is iron sulfide (FeS2) with orthorhombic crystal structure. It is physically and crystallographically distinct from pyrite, which is...
    12 KB (1,135 words) - 06:35, 23 June 2024
  • pentagonal faces are not regular: The pyritohedron, a common crystal form in pyrite, has pyritohedral symmetry, while the tetartoid has tetrahedral symmetry...
    28 KB (2,027 words) - 21:44, 13 August 2024
  • Thumbnail for Lapis lazuli
    lāžward, lapis lazuli is a rock composed primarily of the minerals lazurite, pyrite and calcite. As early as the 7th millennium BC, lapis lazuli was mined in...
    28 KB (2,951 words) - 06:48, 9 September 2024
  • Thumbnail for Marcasite jewellery
    using cut and polished pieces of pyrite (fool's gold) as gemstone, and not, as the name suggests, from marcasite. Both pyrite and marcasite are chemically...
    3 KB (320 words) - 00:58, 19 March 2024
  • Thumbnail for Arsenopyrite
    Arsenopyrite is generally an acid-consuming sulfide mineral, unlike iron pyrite which can lead to acid mine drainage.[citation needed] The crystal habit...
    6 KB (479 words) - 13:09, 9 August 2024
  • Thumbnail for Iberian Pyrite Belt
    The Iberian Pyrite Belt is a vast geographical area with particular geological features that stretches along much of the south of the Iberian Peninsula...
    6 KB (703 words) - 01:37, 5 August 2023
  • Thumbnail for Northland Pyrite Mine
    The Northland Pyrite Mine, also known as James Lake Mine, Rib Lake Mine, Harris Mine or simply Northland Mine, is an abandoned underground mine in Northeastern...
    5 KB (546 words) - 16:57, 6 June 2017
  • Thumbnail for Patrónite
    Patrónite (redirect from Vanadium pyrite)
    asphaltum deposit. Associated minerals include, native sulfur, bravoite, pyrite, minasragrite, stanleyite, dwornikite, quartz and vanadium bearing lignite...
    4 KB (245 words) - 20:23, 4 February 2024
  • Thumbnail for Irish defective block crisis
    sulphate attack sourced from framboidal pyrite within the aggregate, as evidenced from both presence of framboidal pyrite and elevated sulphate content. The...
    15 KB (1,645 words) - 16:29, 26 March 2024
  • Thumbnail for Great Oxidation Event
    detrital sediments older than about 2 billion years contained grains of pyrite, uraninite, and siderite, all minerals containing reduced forms of iron...
    85 KB (9,541 words) - 00:28, 7 September 2024
  • ideal surfaces will work as a reflective surface. Examples include galena, pyrite and magnetite. Pearly minerals consist of thin transparent co-planar sheets...
    12 KB (1,158 words) - 23:18, 14 January 2024
  • Thumbnail for Byne's disease
    can also affect pyrite (or its polymorph marcasite) (iron disulfide) fossils in a somewhat similar condition, which is known as pyrite disease. The iron...
    17 KB (1,940 words) - 04:21, 20 June 2024
  • Thumbnail for Chalcogenide
    3D semiconductor. In contrast to classical metal dichalcogenides, iron pyrite, a common mineral, is usually described as consisting of Fe2+ and the persulfido...
    10 KB (1,113 words) - 16:25, 28 October 2023
  • Thumbnail for Slate
    are iron oxides (such as hematite and magnetite), iron sulfides (such as pyrite), and carbonate minerals. Feldspar may be present as albite or, less commonly...
    27 KB (2,907 words) - 04:57, 21 July 2024
  • manufacture of fertilizers, which makes up about two-thirds of consumption. Pyrite, which is made up of iron sulfide, made up more than 10 percent of the sulfur...
    5 KB (700 words) - 18:40, 7 August 2024
  • Thumbnail for Sulfuric acid
    ("ferric iron") can also oxidize pyrite: FeS2(s) + 14 Fe3+ + 8 H2O → 15 Fe2+ + 2 SO2−4 + 16 H+ When iron(III) oxidation of pyrite occurs, the process can become...
    64 KB (7,159 words) - 19:00, 10 September 2024
  • Thumbnail for Petrifaction
    quartz, calcite, apatite (calcium phosphate), siderite (iron carbonate), and pyrite), fills pore spaces and cavities of specimens, particularly bone, shell...
    14 KB (1,675 words) - 00:22, 2 September 2024
  • Thumbnail for Cabin Branch Pyrite Mine Historic District
    Cabin Branch Pyrite Mine Historic District is a national historic district located at Prince William Forest Park, Triangle, Prince William County, Virginia...
    3 KB (174 words) - 03:40, 6 August 2023
  • Thumbnail for Euhedral and anhedral
    Euhedral pyrite crystals...
    4 KB (398 words) - 17:33, 6 July 2024
  • Thumbnail for Acid mine drainage
    contributor to pyrite oxidation. Metal mines may generate highly acidic discharges where the ore is a sulfide mineral or is associated with pyrite. In these...
    43 KB (4,809 words) - 16:25, 3 August 2024
  • This list of mines in Portugal is subsidiary to the list of mines article and lists working, defunct and future mines in the country and is organised by...
    900 bytes (77 words) - 12:35, 4 June 2024
  • Thumbnail for Diagenesis
    and fossils can be replaced by other minerals (e.g. calcite, siderite, pyrite or marcasite) during diagenesis. Porosity usually decreases during diagenesis...
    13 KB (1,457 words) - 15:33, 3 November 2023
  • Thumbnail for Mineral
    that share a chemical formula but have a different structure. For example, pyrite and marcasite, both iron sulfides, have the formula FeS2; however, the former...
    109 KB (13,007 words) - 16:14, 20 July 2024
  • them, and distributing them throughout Cipher and other places such as Pyrite Town. Wes is a former employee of Team Snagem. The organization also employs...
    45 KB (4,621 words) - 15:55, 10 September 2024
  • Thumbnail for Galena
    Galena with baryte and pyrite from Cerro de Pasco, Peru; 5.8 cm × 4.8 cm × 4.4 cm (2.3 in × 1.9 in × 1.7 in)...
    16 KB (1,537 words) - 04:57, 5 August 2024
  • Thumbnail for Cubic crystal system
    A rock containing three crystals of pyrite (FeS2). The crystal structure of pyrite is primitive cubic, and this is reflected in the cubic symmetry of its...
    49 KB (3,620 words) - 04:18, 28 May 2024