{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,4,9]],"date-time":"2026-04-09T01:34:57Z","timestamp":1775698497045,"version":"3.50.1"},"reference-count":14,"publisher":"Mineralogical Society","issue":"3","license":[{"start":{"date-parts":[[2018,7,5]],"date-time":"2018-07-05T00:00:00Z","timestamp":1530748800000},"content-version":"unspecified","delay-in-days":5513,"URL":"https:\/\/www.cambridge.org\/core\/terms"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Mineral. mag."],"published-print":{"date-parts":[[2003,6]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:p>Hydroxylian pseudorutile in an adamellite from Cameroon has been identified using EPMA, FT-IR and single-crystal XRD analysis. TiO<jats:sub>2<\/jats:sub> and Fe<jats:sub>2<\/jats:sub>O<jats:sub>3<\/jats:sub> contents range between 60.6 and 67.9 wt.% and 22.2 and 36.5 wt.%, respectively, and totals vary from 90.1 to 98.1 wt.%. The SiO<jats:sub>2<\/jats:sub> (0.03 \u20141.40 wt.%), Al<jats:sub>2<\/jats:sub>O<jats:sub>3<\/jats:sub> (0.02\u20140.68 wt.%) and CaO (0.03\u20140.44 wt.%) contents increase systematically and MnO (0.04\u20140.69 wt.%) decreases slightly with decreasing Fe<jats:sup>3+<\/jats:sup>\/Ti values. The MgO content is &lt;0.06 wt.%. H<jats:sub>2<\/jats:sub>O contents (1.3\u20147.5 wt.%) are greater in parts of crystals with lower Fe<jats:sup>3+<\/jats:sup>\/Ti, suggesting solid solution between the end-members Fe<jats:sup>3+<\/jats:sup><jats:sub>2<\/jats:sub>Ti<jats:sub>3<\/jats:sub>O<jats:sub>9<\/jats:sub> and Fe<jats:sup>3+<\/jats:sup>Ti<jats:sub>3<\/jats:sub>O<jats:sub>6<\/jats:sub>(OH)<jats:sub>3<\/jats:sub>. The lattice parameters are a = 2.85 \u00c5 and c = 4.57 \u00c5 with hexagonal symmetry and point group 6\/mmm.<\/jats:p>","DOI":"10.1180\/0026461036730113","type":"journal-article","created":{"date-parts":[[2003,6,19]],"date-time":"2003-06-19T21:29:15Z","timestamp":1056058155000},"page":"509-516","source":"Crossref","is-referenced-by-count":9,"title":["Hydroxylian pseudorutile in an adamellite from the Nkambe area, Cameroon"],"prefix":"10.1180","volume":"67","author":[{"given":"S.","family":"Tetsopgang","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"J.","family":"Koyanagi","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"M.","family":"Enami","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"K.","family":"Kihara","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"7149","published-online":{"date-parts":[[2018,7,5]]},"reference":[{"key":"S0026461X00007970_ref1","doi-asserted-by":"publisher","DOI":"10.1346\/CCMN.1984.0320504"},{"key":"S0026461X00007970_ref11","doi-asserted-by":"publisher","DOI":"10.1016\/0037-0738(91)90055-I"},{"key":"S0026461X00007970_ref7","doi-asserted-by":"publisher","DOI":"10.1180\/minmag.1994.058.393.07"},{"key":"S0026461X00007970_ref8","first-page":"511","article-title":"P\u00e9trographie et g\u00e9ochronologie Rb\/Sr des granites cambriens de Goutchhoumi et d\u2019;Anloa (Cameroun).","volume":"23","author":"Lasserre","year":"1984","journal-title":"Bulletin de la Societ\u00e9 G\u00e9ologique de France,"},{"key":"S0026461X00007970_ref13","first-page":"57","article-title":"Preliminary CHIME dating of granites from the Nkambe area, northwestern Cameroon, Africa.","volume":"46","author":"Tetsopgang","year":"1999","journal-title":"Journal of Earth and Planetary Sciences Nagoya University,"},{"key":"S0026461X00007970_ref10","doi-asserted-by":"publisher","DOI":"10.1346\/CCMN.1994.0420508"},{"key":"S0026461X00007970_ref4","doi-asserted-by":"publisher","DOI":"10.1180\/minmag.1983.047.343.10"},{"key":"S0026461X00007970_ref6","first-page":"981","article-title":"Hydrothermal synthesis of goethite-rutile intergrowth structures and their relationship to pseudorutile","volume":"68","author":"Grey","year":"1983","journal-title":"American Mineralogist,"},{"key":"S0026461X00007970_ref12","doi-asserted-by":"publisher","DOI":"10.2113\/gsecongeo.61.4.695"},{"key":"S0026461X00007970_ref2","first-page":"709","volume-title":"Mineral Deposits","author":"Chernet","year":"1997"},{"key":"S0026461X00007970_ref5","first-page":"898","article-title":"The structure of pseudorutile and its role in the natural alteration of ilmenite","volume":"60","author":"Grey","year":"1975","journal-title":"American Mineralogist,"},{"key":"S0026461X00007970_ref9","doi-asserted-by":"publisher","DOI":"10.1007\/978-1-4615-3678-9"},{"key":"S0026461X00007970_ref3","first-page":"848","volume-title":"Hey's Mineral Index, Mineral Species, Varieties and Synonyms.","author":"Clark","year":"1993"},{"key":"S0026461X00007970_ref14","doi-asserted-by":"publisher","DOI":"10.1038\/211179b0"}],"container-title":["Mineralogical Magazine"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/www.cambridge.org\/core\/services\/aop-cambridge-core\/content\/view\/S0026461X00007970","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2021,2,4]],"date-time":"2021-02-04T07:36:02Z","timestamp":1612424162000},"score":1,"resource":{"primary":{"URL":"https:\/\/www.cambridge.org\/core\/product\/identifier\/S0026461X00007970\/type\/journal_article"},"secondary":[{"URL":"http:\/\/minmag.geoscienceworld.org\/cgi\/doi\/10.1180\/0026461036730113","label":"geoscienceworld"}]},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2003,6]]},"references-count":14,"journal-issue":{"issue":"3","published-print":{"date-parts":[[2003,6]]}},"alternative-id":["S0026461X00007970"],"URL":"https:\/\/doi.org\/10.1180\/0026461036730113","relation":{},"ISSN":["0026-461X","1471-8022"],"issn-type":[{"value":"0026-461X","type":"print"},{"value":"1471-8022","type":"electronic"}],"subject":[],"published":{"date-parts":[[2003,6]]}}}