• Thumbnail for Troilite
    Troilite (/ˈtrɔɪlaɪt/) is a rare iron sulfide mineral with the simple formula of FeS. It is the iron-rich endmember of the pyrrhotite group. Pyrrhotite...
    11 KB (1,070 words) - 23:31, 12 September 2024
  • Thumbnail for Pyrrhotite
    0.125). It is a nonstoichiometric variant of FeS, the mineral known as troilite. Pyrrhotite is also called magnetic pyrite, because the color is similar...
    26 KB (2,402 words) - 14:09, 29 July 2024
  • Thumbnail for Canyon Diablo (meteorite)
    phosphide Taenite – iron nickel alloy Troilite – a variety of the iron sulfide mineral pyrrhotite. The troilite in this sample is used as the standard...
    12 KB (970 words) - 08:12, 24 May 2024
  • (cubic) Pyrrhotite, Fe1−xS (where x = 0 to 0.2) (monoclinic or hexagonal) Troilite, FeS, the endmember of pyrrhotite (hexagonal) Mackinawite, Fe1+xS (where...
    1 KB (128 words) - 23:21, 14 March 2022
  • Thumbnail for Cubanite
    copper + iron + sulfur, covellite + troilite, and copper + sulfur + troilite all formed cubanite. Starting with troilite instead of iron metal reinforces...
    10 KB (899 words) - 20:52, 9 January 2024
  • Thumbnail for Iron(II) sulfide
    reacts with the ferric citrate to produce ferrous sulfide. Iron sulfide Troilite Pyrite Iron-sulfur world theory H. Lux "Iron (II) Sulfide" in Handbook...
    5 KB (394 words) - 17:20, 25 October 2023
  • Thumbnail for Ferrous
    example, "ferrous sulfide" can refer to the 1:1 species (mineral name troilite) or a host of Fe-deficient derivatives (pyrrhotite). The mineral magnetite...
    9 KB (975 words) - 20:00, 6 November 2024
  • Polyxo. The infrared spectrum of the first three are similar to the mineral troilite, while 308 Polyxo is modified with hydration features. In 2010, the asteroid...
    2 KB (224 words) - 01:59, 26 November 2023
  • reference standard. The most commonly used standard is Vienna-Canyon Diablo Troilite (VCDT). Results are reported as variations from the standard ratio in parts...
    12 KB (1,405 words) - 22:28, 18 October 2024
  • Thumbnail for Iron meteorite
    often form rounded nodules of troilite or graphite, surrounded by schreibersite and cohenite. Schreibersite and troilite also occur as plate shaped inclusions...
    19 KB (2,264 words) - 21:25, 10 September 2024
  • Thumbnail for 233 Asterope
    relatively dark surface. The spectrum of 233 Asterope bears a resemblance to Troilite, a sulfurous iron mineral found in most iron meteorites. Photometric observations...
    6 KB (343 words) - 03:44, 4 August 2024
  • Thumbnail for Meteorite weathering
    metal and troilite, small oxide veins. W2: moderate oxidation of metal (about 20-60% replaced). W3: heavy oxidation of metal and troilite (60-95% replaced)...
    4 KB (469 words) - 23:47, 27 July 2024
  • Tremolite Trevorite Tridymite Triphylite Triplite Triploidite Tripuhyite Troilite Trona Tschermakite Tschermigite Tsumcorite Tsumebite Tugtupite Tungsten...
    42 KB (2,782 words) - 04:37, 12 November 2024
  • Thumbnail for Gansu
    iron, lead, limestone, mercury, mirabilite, nickel, crude oil, platinum, troilite, tungsten, and zinc among others. The oil fields at Yumen and Changqing...
    70 KB (5,955 words) - 07:34, 9 November 2024
  • Thumbnail for Stony-iron meteorite
    ilmenite, merrillite, low-calcium pyroxene, schreibersite, tridymite and troilite. Glossary of meteoritics McSween, Harry Y. (1999). Meteorites and their...
    3 KB (231 words) - 20:21, 10 September 2024
  • Thumbnail for Graphite
    form of graphite-bearing schists. In meteorites, graphite occurs with troilite and silicate minerals. Small graphitic crystals in meteoritic iron are...
    73 KB (8,352 words) - 12:05, 29 October 2024
  • Thumbnail for L chondrite
    olivine and hypersthene (an orthopyroxene), as well as iron–nickel and troilite. Chromite, sodium-rich feldspar and calcium phosphates occur in minor amounts...
    7 KB (746 words) - 23:42, 17 October 2024
  • Thumbnail for Cohenite
    Kassel in Germany. Associated minerals include native iron, schreibersite, troilite and wüstite. Similar iron carbides occur also in technical iron alloys...
    3 KB (197 words) - 05:19, 29 August 2024
  • Thumbnail for LL chondrite
    are hypersthene (a pyroxene) and olivine. Other minerals include Fe–Ni, troilite (FeS), feldspar or feldspathic glass, chromite, and phosphates. LL chondrites...
    4 KB (375 words) - 04:23, 10 July 2024
  • Thumbnail for Cape York meteorite
    nickel content in its composition. There are abundant elongated troilite nodules. The troilite nodules contain inclusions of chromite, sulfides, phosphates...
    23 KB (2,578 words) - 00:57, 14 October 2024
  • Thumbnail for H chondrite
    20 mol%. They contain also 15–19% of nickel-iron metal and about 5% of troilite. The majority of these meteorites have been significantly metamorphosed...
    4 KB (368 words) - 08:11, 24 December 2022
  • Thumbnail for Chromite
    also common in iron meteorites and form in association with silicates and troilite minerals. The chemical composition of chromite can be represented as FeCr2O4...
    28 KB (3,020 words) - 16:26, 2 November 2024
  • Thumbnail for Perryite
    American meteorite collector. The mineral is typically found intermixed with troilite, an iron sulfide. It is a minor constituent of metal enstatite chondrite...
    2 KB (173 words) - 07:41, 13 August 2023
  • Thumbnail for 2024 BX1
    Nickel-rich grains (taenite or tetrataenite) b) Schreibersite c) Sulfides: troilite, djerfisherite, alabandite, oldhamite, Cr-rich phase, Ti-rich phase 3.5...
    17 KB (1,597 words) - 18:50, 24 October 2024
  • Thumbnail for Muonionalusta
    minerals chromite, daubréelite, schreibersite, akaganéite and inclusions of troilite. For the first time, analysis has proved the presence of a form of quartz...
    10 KB (1,044 words) - 12:00, 7 October 2024
  • Thumbnail for Age of Earth
    particularly rare type of meteorite that contains sulfide minerals (particularly troilite, FeS), metallic nickel-iron alloys, plus silicate minerals. This is important...
    45 KB (5,455 words) - 05:17, 28 August 2024
  • Thumbnail for Willamette Meteorite
    elements for thousands of years, rainwater interacted with the mineral troilite, resulting in a form of sulfuric acid which slowly dissolved portions of...
    21 KB (2,060 words) - 18:10, 13 November 2024
  • Thumbnail for 114 Kassandra
    with parts of the spectrum displaying properties similar to the mineral troilite and to carbonaceous chondrite. The shape of the spectrum also appears similar...
    7 KB (468 words) - 00:59, 12 September 2024
  • Thumbnail for Fukang meteorite
    kamacite with an average nickel content of 6.98 wt%. Vermicular sulfide (troilite) is present in some olivine. Oxygen isotopes: δ18O 2.569 ‰, δ17O 1.179...
    4 KB (458 words) - 06:53, 28 January 2023
  • Thumbnail for Aletai meteorite
    plessite (10.6 vol%) with less abundant schreibersite (3.4 vol%) and minor troilite, cohenite, and daubréelite. The Widmanstätten pattern has bandwidths of...
    12 KB (1,113 words) - 22:18, 12 November 2024