(Ce, La)CO3F, bastnäsite-(La) with a formula of (La, Ce)CO3F, and bastnäsite-(Y) with a formula of (Y, Ce)CO3F. Some of the bastnäsites contain OH− instead...
17 KB (1,894 words) - 01:22, 29 August 2024
Cerium (redirect from Ce (element))
other rare-earth elements in minerals such as those of the monazite and bastnäsite groups, cerium is easy to extract from its ores, as it can be distinguished...
52 KB (6,137 words) - 15:38, 1 November 2024
LREE bastnäsite ((Ce, La, etc.)(CO3)F) contain on average 0.1% yttrium compared to the 99.9% for the 16 other REEs. The main source of bastnäsite from...
58 KB (6,683 words) - 04:43, 10 November 2024
"cerium". Encyclopædia Britannica Online. 2009. Retrieved 2009-07-02. "Bastnäsite-(Ce)". Mindat.org. Retrieved 2009-07-02. Images by Jakob Ehrensvärd 59°50′48″N...
2 KB (178 words) - 08:40, 30 October 2024
carbonatites. Cerianite-(Ce) associates with minerals of the apatite group, bastnäsite-group minerals, calcite, feldspar, "fluocerite", "hydromica", ilmenite...
4 KB (217 words) - 23:06, 18 February 2023
and 5% praseodymium, with the balance being the other lanthanides. When bastnäsite started being processed for rare-earth content in about 1965, it too was...
6 KB (791 words) - 11:58, 28 October 2024
Cordylite-(Ce), 05 Lukechangite-(Ce); 10 Kukharenkoite-(La), 10 Kukharenkoite-(Ce), 10 Zhonghuacerite-(Ce); 15 Cebaite-(Nd), 15 Cebaite-(Ce); 20a Bastnasite-(Ce)...
12 KB (1,159 words) - 00:09, 10 February 2024
elements are found in the minerals bastnäsite, loparite-(Ce), xenotime, and monazite in mineable quantities. Bastnäsite is a group of related fluorocarbonates...
38 KB (4,713 words) - 01:56, 30 October 2024
Byelorussite-(Ce) Bye-Ce Bassetite Bas Biagioniite Bgi Bottinoite Bot Bykovaite Byv Bassoite Bso Bianchiniite Bcn Botuobinskite Btb Byrudite Byd Bastnäsite-(Ce) Bsn-Ce...
180 KB (418 words) - 05:15, 30 June 2024
Brockite (redirect from (Ca,Th,Ce)PO4·H2O)
Brockite is a rare earth phosphate mineral with formula: (Ca,Th,Ce)PO4·H2O. It crystallizes in the hexagonal system in the chiral space group 180 or its...
3 KB (152 words) - 04:29, 18 February 2023
Rare-earth mineral (section Bastnäsite)
aeschynite-(Ce) aeschynite-(Y) allanite apatite bastnäsite britholite brockite cerite dollaseite-(Ce) fluocerite fluorite gadolinite monazite parisite-(Ce) parisite-(La)...
18 KB (1,776 words) - 21:22, 12 September 2024
the formula being (CeF)2Ba(CO3)3: this is named cordylite on account of the club-shaped form of its hexagonal crystals. Bastnasite is a cerium lanthanum...
5 KB (400 words) - 13:16, 20 February 2023
[no] [172] Bastnäsite 05.BD.20a (IUPAC: REE fluoro carbonate) Bastnäsite-(Ce) (IMA1987 s.p., 1841) 5.BD.20a [173] [174] [175] Bastnäsite-(La) (IMA1966...
77 KB (5,182 words) - 01:03, 14 March 2023
is a combination of the bastnäsite - (Ce) structure with segregated large-cation layers and (CO3) layers, and the cebaite - (Ce) structure with integrated...
7 KB (675 words) - 12:24, 16 February 2023
V. (October 2008). "Fluorite, hatchettolite, calcium sulfate, and bastnasite-(Ce) in the lunar regolith from Mare Crisium". Doklady Earth Sciences. 422...
8 KB (747 words) - 09:49, 15 October 2024
form was not yet confirmed to exist in the nature, but Ce-bearing carbonates (mainly bastnäsite group) stand for an ore of cerium metal, along with monazite...
3 KB (114 words) - 19:57, 25 September 2023
and leaching zones of massive ferriallanite-(Ce), intimately intergrown with cerite-(Ce) and bastnäsite-(La). It was discovered in 1986 at Bastnäs mines...
3 KB (109 words) - 20:42, 18 January 2024
Stillwellite-(Ce) is a rare-earth boro-silicate mineral with chemical formula (Ce,La,Ca)BSiO5. It occurs as a metasomatic replacement of metamorphosed...
4 KB (229 words) - 15:57, 10 July 2024
processing of bastnäsite is important, as it is the most commonly mined cerium mineral. When heated in air or oxygen at over 500 °C, bastnäsite oxidises and...
47 KB (3,654 words) - 18:29, 8 August 2024
Baratovite Barrerite Barstowite Baryte (barite) Barytocalcite Bassanite Bastnäsite (mineral group) Baumhauerite Bavenite Bayldonite Bayleyite Bazzite Becquerelite...
42 KB (2,782 words) - 04:37, 12 November 2024
It is present in significant quantities in the minerals monazite and bastnäsite. Neodymium is not found naturally in metallic form or unmixed with other...
60 KB (6,904 words) - 17:22, 8 November 2024
monazite and bastnäsite. Monazite sands usually contain all the lanthanide elements, but the heavier elements are lacking in bastnäsite. The lanthanides...
107 KB (10,324 words) - 19:20, 14 November 2024
carbonate-fluoride (bastnäsite), and oxygen anions. In their oxides, most rare-earth elements only have a valence of 3 and form sesquioxides (cerium forms CeO2). Five...
154 KB (16,462 words) - 06:30, 10 November 2024
concern over the disposal of the radioactive daughter products of thorium, bastnäsite came to displace monazite in the production of lanthanides in the 1960s...
19 KB (1,970 words) - 18:03, 28 October 2024
volumes of bastnäsite processed relative to the ion-adsorption clays, a significant proportion of the world's terbium supply comes from bastnäsite. In 2018...
44 KB (5,315 words) - 06:46, 11 November 2024
Alain Fernandez, Jörg Giese, Formation and composition of rhabdophane, bastnäsite and hydrated thorium minerals during alteration: Implications for geochronology...
6 KB (586 words) - 16:26, 18 September 2023
bastnäsite (MIIICO3F), where M refers to all the rare earth metals except scandium and the radioactive promethium (mostly Ce, La, and Y). Bastnäsite is...
48 KB (6,048 words) - 10:26, 10 September 2024
protection (La and Ce are the most widely applicable) Bastnäsite (REECO3F; for Ce, La, Pr, Nd) in carbonatites; monazite (REEPO4; for La, Ce, Pr, Nd) in placer...
61 KB (5,494 words) - 10:03, 9 November 2024
never found as a free element in nature but is found in monazite and bastnäsite ores. It has historically been very difficult and expensive to separate...
34 KB (4,095 words) - 22:07, 6 November 2024
structure G32 Na2SO3 P3 Sodium sulfite structure G4 → E22 G5 → E21 G71 CeCO3F P62c Bastnäsite structure H01 CaSO4 Cmcm Anhydrite structure H02 BaSO4 Pnma Baryte...
34 KB (810 words) - 03:56, 14 August 2024