(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
(700 m) long. 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 (2,218 words) - 14:43, 28 October 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...
52 KB (6,137 words) - 15:38, 1 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
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
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) - 05:23, 6 November 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) - 08:40, 30 October 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 (6,048 words) - 10:26, 10 September 2024
monazite, bastnäsite, cerite, gadolinite and samarskite; monazite (in which samarium occurs at concentrations of up to 2.8%) and bastnäsite are mostly...
72 KB (8,246 words) - 15:34, 1 November 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 (16,462 words) - 05:21, 22 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) - 04:50, 27 October 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) - 15:34, 6 November 2024
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
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 (1,699 words) - 22:03, 21 October 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 (791 words) - 11:58, 28 October 2024
Baratovite Barrerite Barstowite Baryte (barite) Barytocalcite Bassanite Bastnäsite (mineral group) Baumhauerite Bavenite Bayldonite Bayleyite Bazzite Becquerelite...
42 KB (2,782 words) - 15:04, 6 November 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) - 23:48, 24 October 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
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
applications, corrosion protection (La and Ce are the most widely applicable) Bastnäsite (REECO3F; for Ce, La, Pr, Nd) in carbonatites; monazite (REEPO4; for La...
61 KB (5,494 words) - 04:42, 8 November 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
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
1886. Gadolinium is a constituent in many minerals, such as monazite and bastnäsite. The metal is too reactive to exist naturally. Paradoxically, as noted...
46 KB (5,729 words) - 02:05, 30 October 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) - 11:27, 28 October 2024
fergusonite, gadolinite, euxenite, polycrase, blomstrandine, monazite and bastnäsite, often with erbium and holmium or other rare earth elements. No dysprosium-dominant...
37 KB (4,354 words) - 12:03, 15 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
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 (2,283 words) - 03:37, 7 November 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) - 02:31, 27 October 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