• Thumbnail for Coesite
    Coesite (/ˈkoʊsaɪt/) is a form (polymorph) of silicon dioxide (SiO2) that is formed when very high pressure (2–3 gigapascals), and moderately high temperature...
    12 KB (1,172 words) - 13:42, 20 July 2024
  • Thumbnail for Eclogite
    (omphacite). Accessory minerals include kyanite, rutile, quartz, lawsonite, coesite, amphibole, phengite, paragonite, zoisite, dolomite, corundum and, rarely...
    18 KB (1,864 words) - 14:49, 2 June 2024
  • Thumbnail for Silicon dioxide
    cristobalite (high-temperature form), stishovite (high-pressure form), and coesite (high-pressure form). On the other hand, amorphous silica can be found...
    67 KB (6,935 words) - 09:40, 10 August 2024
  • Thumbnail for Shocked quartz
    associated in nature with two high-pressure polymorphs of silicon dioxide: coesite and stishovite. These polymorphs have a crystal structure different from...
    7 KB (664 words) - 00:11, 4 June 2023
  • Thumbnail for Richat Structure
    other deformation indicative of a hypervelocity extraterrestrial impact. Coesite, an indicator of shock metamorphism, was initially reported as being present...
    23 KB (2,328 words) - 20:00, 18 July 2024
  • Thumbnail for Cristobalite
    polymorphs with all the members of the quartz group, which also include coesite, tridymite and stishovite. It is named after Cerro San Cristóbal in Pachuca...
    13 KB (1,335 words) - 21:39, 8 April 2024
  • Thumbnail for Crystal structure
    crystalline forms of silica, SiO2. The most important forms of silica include: α-quartz, β-quartz, tridymite, cristobalite, coesite, and stishovite....
    45 KB (5,143 words) - 18:23, 8 August 2024
  • Thumbnail for Lake Wanapitei
    containing bits of dark glass, are found surrounding the lake. Some contain coesite, a high pressure mineral diagnostic of impact structures. The suevite is...
    4 KB (379 words) - 20:25, 5 April 2024
  • Thumbnail for Tektite
    unshocked mineral grains, i.e. quartz, apatite, and zircon, as well as coesite. The difference in water content can be used to distinguish tektites from...
    31 KB (3,635 words) - 19:11, 26 May 2024
  • Thumbnail for Impact crater
    Teapot Ess in 1955. In 1960, Edward C. T. Chao and Shoemaker identified coesite (a form of silicon dioxide) at Meteor Crater, proving the crater was formed...
    44 KB (5,337 words) - 02:28, 9 June 2024