Encyclopedia > Kogarkoite

  Article Content

Kogarkoite

Kogarkoite [Na3(SO4)F] is a mineral with a usually pale blue color. The specific gravity is about 2.67 and the hardness is 3.5. The crystall system is monoclinic. Kogarkoite is named after the russian scientist Lia Nikolaevna Kogarko who discovered this mineral.

External Links



All Wikipedia text is available under the terms of the GNU Free Documentation License

 
  Search Encyclopedia

Search over one million articles, find something about almost anything!
 
 
  
  Featured Article
Timbre

... is a combination of 440Hz, 880Hz, 1320Hz, 1760Hz and so on. The balance of the different frequencies is responsible for giving each instrument its characteristic sound, ...