• 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) - 15:58, 11 October 2024
  • Thumbnail for Eclogite
    (omphacite). Accessory minerals include kyanite, rutile, quartz, lawsonite, coesite, amphibole, phengite, paragonite, zoisite, dolomite, corundum and, rarely...
    17 KB (1,745 words) - 04:43, 9 September 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 Silicon dioxide
    cristobalite (high-temperature form), stishovite (high-pressure form), and coesite (high-pressure form). On the other hand, amorphous silica can be found...
    66 KB (6,934 words) - 14:39, 4 October 2024
  • 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 (2,372 words) - 02:06, 4 October 2024
  • Thumbnail for Eugene Merle Shoemaker
    1955. In 1960, Edward C. T. Chao and Shoemaker identified shocked quartz (coesite) at Meteor Crater, proving the crater was formed from an impact generating...
    56 KB (3,847 words) - 03:02, 18 September 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) - 07:56, 9 October 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) - 18:26, 18 September 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....
    46 KB (5,167 words) - 20:59, 8 September 2024
  • Thumbnail for Metamorphic rock
    produces rare ultrahigh pressure metamorphic minerals, such as coesite and stishovite. Coesite is rarely found in eclogite brought to the surface in kimberlite...
    37 KB (4,414 words) - 09:37, 11 March 2024