Talk:Rare-earth mineral

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Rocks and minerals

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[Untitled]

This isn't really a good coathanger to place on a mineral suite; rare earths are present in minerals as cations which substitute for other elements when in high enough concentrations within rocks; for example, monazite is a phosphate mineral which often contains rare earths, etc.

This may do better as a category into which we can place minerals which contain rare-earths; this should probably be discussed. But as it stands at the moment there is no 'rare earth minerals' defined within geology or mineralogy that I know of, merely minerals which contain rare earth elements.Rolinator

But, I've got a book on them - Rare Earth Minerals: Chemistry, origin and ore deposites, The Mineralogy Society Series #7, c. 1996, 372 pp. ISBN 0-412-61030-2 - maybe one of these days I'll dig into it and expand this stub. Should be able to get a decent article out of it. Some day ... :-) Vsmith 02:34, 31 October 2006 (UTC)[reply]

I feel this page should hang off of the main mineral page, and not the individual pages. Garybrennan (talk) 04:45, 29 March 2009 (UTC)[reply]

Poor science. Rare Earths are not rare.

1. The term "rare" earth was coined when gay meant happy. 2. Rare Earths are not rare: http://en.wikipedia.org/wiki/Abundance_of_the_chemical_elements#Rare-earth_element_abundances showing Cerium is more common than Copper or Nickel. The least common Lutetium is as abundant as Antimony. 3. Monazite deposits are found in many countries (http://www.mindat.org/min-2750.html , http://en.wikipedia.org/wiki/Monazite) and was mined in 11 US States with significant deposits in several more. Large scale mining operations in South Africa (since the 50's), India (which mines Mozanite for the Thorium), Canada (mining Rare Earth minerals for Uranium), Brazil, et al. 4. Although China's largest deposit is rated at 35 million tons, the older South African deposit was still rated as 15 million tons (see mining weekly story, one mine had been closed down and reopening http://www.miningweekly.com/article/investors-take-a-closer-at-rare-earth-elements-as-technology-and-green-revolutions-pick-up-pace-2009-09-18 ) with new deposits in SA and Australia potentially larger than the Chinese deposits. 5. United States mines (for Mozanite and other Rare Earth minerals) were in operation providing Misch Metal (a mixture of REs mostly Cerium) as an additive for the US Steel Industry. (I'm a Chemist/Metallurgist.) 6. China ONLY leads in the production of separated rare earth metals. The separation of rare earth metals is chemically difficult process and China does it cheaply because pollution with toxic chemicals is not a problem for the People's Republic.

http://www.miningweekly.com/article/investors-take-a-closer-at-rare-earth-elements-as-technology-and-green-revolutions-pick-up-pace-2009-09-18 http://en.wikipedia.org/wiki/Monazite http://www.mindat.org/min-2750.html Shjacks45 (talk) 12:34, 2 November 2010 (UTC)[reply]

Shouldn't the word be spelled as Rare-earth Mineral? — Preceding unsigned comment added by 209.6.53.110 (talk) 22:59, 9 November 2011 (UTC)[reply]

Possible Topic Duplication

I wanted to bring up the existence of

http://en.wikipedia.org/wiki/Rare_earth_element

which discusses the topic of Rare Earth Minerals in detail --Johnev (talk) 09:40, 9 November 2010 (UTC)[reply]

Steenstrupine

From a stock market release, annual report: "key RE mineral steenstrupine. Steenstrupine contains 25-30% REO, is enriched across the RE spectrum, and is only known to occur in large quantities in the northern Ilimaussaq Complex that sits within the Company’s exploration license in Greenland. It represents a very important new source of REE’s, and is key to Kvanefjeld’s strategic value" Greenland Minerals and Energy Limited, Annual Report to shareholders 29/03/2018 David Woodward ☮ ♡♢☞☽ 11:38, 18 April 2018 (UTC)

Wiki Education assignment: ERTH 4303 Resources of the Earth

This article was the subject of a Wiki Education Foundation-supported course assignment, between 12 January 2024 and 10 April 2024. Further details are available on the course page. Student editor(s): Sharleen Lawrence (article contribs). Peer reviewers: JesseChadder.

— Assignment last updated by JesseChadder (talk) 00:11, 1 March 2024 (UTC)[reply]