It produces rare-earth elements such as lanthanum and didymium.    From Wordnik.com.  [Envestnet, Chesapeake Midstream IPOs Up; Molycorp's Down] Reference

Lynas is building the biggest new rare-earth mine in the world.    From Wordnik.com.  [Australia Delays Ruling on China Rare-Earth Investment] Reference

Beijing aims to quell fears over tightening of rare-earth exports.    From Wordnik.com.  [China says it seeks business for Inner Mongolia] Reference

China also is taking steps to consolidate its rare-earth industry.    From Wordnik.com.  [China says it seeks business for Inner Mongolia] Reference

You're not alone if you can't name any of these rare-earth minerals.    From Wordnik.com.  [Power Up] Reference

High-tech Japan is the world's biggest importer of rare-earth minerals.    From Wordnik.com.  [China Denies Halting Rare-Earth Exports to Japan] Reference

Glass polishing and ceramics are among the uses for rare-earth minerals.    From Wordnik.com.  [China Firm Will Control Lynas] Reference

"We do not focus on short-term gains in rare-earth prices," Mr. Zhao said.    From Wordnik.com.  [China says it seeks business for Inner Mongolia] Reference

Didymium is a combination of two rare-earth elements, praseodymium and neodymium.    From Wordnik.com.  [Corrections] Reference

Does it matter that they have rare-earth minerals and lithium for laptops and so on?.    From Wordnik.com.  [Josh Mull: Fresh Talking Point: Poor Afghanistan, They're Rich!] Reference

Problem is, it takes up to a decade to develop a rare-earth mine on a commercial scale.    From Wordnik.com.  [Power Up] Reference

Most notably, the government has merged rare-earth mining companies and limited exports.    From Wordnik.com.  [Rare Opportunity for China] Reference

"We're not taking a short-term view of just trying to prop up rare-earth prices," he maintained.    From Wordnik.com.  [Power Up] Reference

Investing article about the IPO of Molycorp Inc. incorrectly said didymium is a rare-earth element.    From Wordnik.com.  [Corrections] Reference

There also appear to be concerns about China's investment in rare-earth producers in other countries.    From Wordnik.com.  [Will China Tighten 'Rare Earth' Grip?] Reference

Two decades later, China became the dominant player in rare-earth mining -- at great environmental cost.    From Wordnik.com.  [A Cloud in Every Silver Lining: The New Obstacle to a Green-Tech Revolution] Reference

The move is aimed at creating a group of rare-earth miners and processors in the region's western parts.    From Wordnik.com.  [China says it seeks business for Inner Mongolia] Reference

A Monday Marketplace article about China's stockpiling of rare-earth metals incorrectly described it as one.    From Wordnik.com.  [Corrections] Reference

Molycorp says it is the only rare-earth producer in the Western hemisphere; China currently dominates the space.    From Wordnik.com.  [Envestnet, Chesapeake Midstream IPOs Up; Molycorp's Down] Reference

Worried about their own shortfalls, Chinese firms have scrambled to hook up with Australian rare-earth producers.    From Wordnik.com.  [Power Up] Reference

Their rare-earth moniker comes from the fact they rarely show up in concentrated form in a specific mineral or vein.    From Wordnik.com.  [A Cloud in Every Silver Lining: The New Obstacle to a Green-Tech Revolution] Reference

Some rare-earth industry officials said they believed it possible that China might temporarily cut off exports to Japan.    From Wordnik.com.  [China Denies Halting Rare-Earth Exports to Japan] Reference

An executive at a Japanese importer of rare-earth elements said his company has seen no disruption in its imports from China.    From Wordnik.com.  [China Denies Halting Rare-Earth Exports to Japan] Reference

Yet, no one is currently producing most rare-earth minerals in the U.S., while Chinese output is around 120,000 tons annually.    From Wordnik.com.  [China Denies Halting Rare-Earth Exports to Japan] Reference

Agence France-Presse/Getty Images China said it tightened control of rare-earth ores to attract manufacturing to Inner Mongolia.    From Wordnik.com.  [Will China Tighten 'Rare Earth' Grip?] Reference

But starting in about 1965, the United States began to dominate the rare-earth production from mines in Mountain Pass, California.    From Wordnik.com.  [A Cloud in Every Silver Lining: The New Obstacle to a Green-Tech Revolution] Reference

The ministry aims to enact an annual export quota of 35,000 tons and potentially ban exports of some types of rare-earth elements.    From Wordnik.com.  [Australia Delays Ruling on China Rare-Earth Investment] Reference

Magnaquench began as a division of General Motors Corp., which developed so-called rare-earth magnets crucial in producing smart bombs.    From Wordnik.com.  [Clinton Seeks Edge by] Reference

The biggest U.S. rare-earth mine at Mountain Pass, Calif., was closed, for instance, though it's now being revived by Molycorp Minerals.    From Wordnik.com.  [Power Up] Reference

Co. said his trading company is working on introducing other Japanese companies to invest in the rare-earth processing industry in China.    From Wordnik.com.  [China May Widen Door to Rare-Earth Joint Ventures] Reference

China controls more than 90% of global production of rare-earth elements, which the U.S. military uses in lasers and high-powered magnets.    From Wordnik.com.  [Pentagon in Race for Raw Materials] Reference

China is cautiously using rare-earth resources as bait for foreign investment that could bring in sophisticated technologies that it needs.    From Wordnik.com.  [China May Widen Door to Rare-Earth Joint Ventures] Reference

Today, China is responsible for about 97 percent of the globe's rare-earth production, according to a recent report in the journal Science.    From Wordnik.com.  [A Cloud in Every Silver Lining: The New Obstacle to a Green-Tech Revolution] Reference

But China's export caps, the latest of which came in July, are ratcheting global rare-earth prices higher and creating competition for Chinese miners.    From Wordnik.com.  [Rare Opportunity for China] Reference

The official's comments follow China's move in July to decrease 72% ofits rare-earth shipment by 72% for the second half of this year to 7,976 metric tons.    From Wordnik.com.  [China May Widen Door to Rare-Earth Joint Ventures] Reference

Molycorp (the owner of the Mountain Pass mine in California) and two Australian mining firms are slated to ramp up rare-earth production to some 50,000 tons by middecade.    From Wordnik.com.  [Power Up] Reference