(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
Rare-earth mineral (section Bastnäsite)
and require mining. Bastnäsite is a carbonate mineral, that is primarily mined for its many purposes. Magnets made of bastnasite are used to create speakers...
18 KB (1,776 words) - 21:22, 12 September 2024
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...
51 KB (6,040 words) - 17:48, 27 August 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 (6,871 words) - 22:41, 5 October 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 (4,709 words) - 22:39, 9 August 2024
06% REO. To process bastnäsite ore, it is finely ground and subjected to froth flotation to separate the bulk of the bastnäsite from the accompanying...
21 KB (2,168 words) - 17:11, 18 October 2023
lanthanum(III) cations and carbonate anions. It is an ore of lanthanum metal (bastnäsite), along with monazite. Lanthanum carbonate is used as a starting material...
6 KB (322 words) - 03:05, 19 April 2024
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 (6,026 words) - 10:26, 10 September 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 (6,661 words) - 13:24, 1 October 2024
in minerals from Bastnäs in 1839 by Carl Gustav Mosander. The mineral bastnäsite is named after Bastnäs. Transmission house at Bastnäs mines Mechanism...
2 KB (178 words) - 12:25, 15 September 2019
yet confirmed to exist in the nature, but Ce-bearing carbonates (mainly bastnäsite group) stand for an ore of cerium metal, along with monazite. The molecular...
3 KB (114 words) - 19:57, 25 September 2023
monazite, bastnäsite, cerite, gadolinite and samarskite; monazite (in which samarium occurs at concentrations of up to 2.8%) and bastnäsite are mostly...
72 KB (8,243 words) - 17:45, 23 August 2024
material. The principal sources of rare-earth elements are the minerals bastnäsite (RCO3F, where R is a mixture of rare-earth elements), monazite (XPO4,...
154 KB (16,461 words) - 01:54, 19 September 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 (5,237 words) - 21:23, 5 October 2024
small; Hoffman et al. estimated its content in the rare-earth mineral bastnasite as c244 = 1.0×10−18 g/g, which corresponded to the content in the Earth...
14 KB (1,698 words) - 04:30, 16 September 2024
Baratovite Barrerite Barstowite Baryte (barite) Barytocalcite Bassanite Bastnäsite (mineral group) Baumhauerite Bavenite Bayldonite Bayleyite Bazzite Becquerelite...
42 KB (2,782 words) - 13:51, 17 September 2024
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 (793 words) - 01:39, 22 June 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) - 00:51, 29 August 2024
applications, corrosion protection (La and Ce are the most widely applicable) Bastnäsite (REECO3F; for Ce, La, Pr, Nd) in carbonatites; monazite (REEPO4; for La...
60 KB (5,466 words) - 20:18, 10 March 2024
than in bastnäsite. The visual difference is apparent in unseparated mixtures: monazite-derived products have pink tinges, while bastnäsite-derived products...
9 KB (1,099 words) - 22:48, 7 August 2024
phosphate, silicate and carbonate minerals, such as monazite (MIIIPO4) and bastnäsite (MIIICO3F), where M refers to all the rare-earth metals except scandium...
37 KB (4,830 words) - 15:05, 16 September 2024
Zhonghuacerite-(Ce); 15 Cebaite-(Nd), 15 Cebaite-(Ce); 20a Bastnasite-(Ce), 20a Bastnasite-(La), 20a Bastnasite-(Y), 20a Hydroxylbastnasite-(Ce), 20a Hydroxylbastnasite-(La)...
12 KB (1,159 words) - 00:09, 10 February 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) - 04:24, 28 September 2024
NdCl3·6H2O. Neodymium(III) chloride is produced from minerals monazite and bastnäsite using a complex multistage extraction process. The chloride has several...
24 KB (2,487 words) - 20:20, 3 January 2024
monazite and bastnäsite. Monazite sands usually contain all the lanthanide elements, but the heavier elements are lacking in bastnäsite. The lanthanides...
107 KB (10,322 words) - 03:16, 5 October 2024
1886. Gadolinium is a constituent in many minerals, such as monazite and bastnäsite. The metal is too reactive to exist naturally. Paradoxically, as noted...
45 KB (5,661 words) - 12:30, 8 August 2024
fergusonite, gadolinite, euxenite, polycrase, blomstrandine, monazite and bastnäsite, often with erbium and holmium or other rare earth elements. No dysprosium-dominant...
37 KB (4,332 words) - 12:03, 15 September 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
in San Bernardino County, California, Mountain Pass mine consists of a bastnäsite ore-body with significant concentrations of rare earth elements. The mine...
26 KB (2,263 words) - 23:35, 23 September 2024
plutonium and may exist with primordial 244Pu in the rare earth mineral bastnäsite. In particular, plutonium and unbihexium are predicted to have similar...
35 KB (7,025 words) - 02:04, 5 February 2024