from The Century Dictionary.

  • noun Anhydrous sodium sulphate (Na2SO4).

from the GNU version of the Collaborative International Dictionary of English.

  • noun (Min.) Anhydrous sodium sulphate, a mineral of a white or brown color and vitreous luster.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun mineralogy An orthorhombic-dipyramidal mineral containing oxygen, sodium, and sulfur.


from Wiktionary, Creative Commons Attribution/Share-Alike License



  • Lumena, a miner of thenardite, triggered red flags "for its rapid growth, short listing history, high concentration of customers and ownership, and poorer quality of earnings and cash flow," said Moody's.

    Moody's Raises Some 'Red Flags' in China

  • The acquisition will help Lumena expand into resins used in emissions reduction and the automotive industry, adding to the thenardite it makes that's used in detergents and medical products. -- Top News

  • Nov. 8 (Bloomberg) -- Lumena Resources Corp. rose to its highest level since September 2009 in Hong Kong trading after the second-largest producer of thenardite agreed to buy a resin maker for HK$11.05 billion ($1.43 billion). -- Top News

  • The company focuses on extracting fluorescent thenardite, used in making everything from cleaning products and textiles to lighting and pharmaceuticals.


  • Suolang Duoji, a private entrepreneur with holdings that include the Hong Kong-listed thenardite producer Lumena, will hold the remaining 20 percent stake.

    The Washington Times stories: Latest Headlines


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