| Dictionary, Encyclopedia and Thesaurus - The Free Dictionary 3,897,769,041 visitors served. |
Dictionary/ thesaurus | Medical dictionary | Legal dictionary | Financial dictionary | Acronyms | Idioms | Encyclopedia | Wikipedia encyclopedia | ? |
Vinogradovite |
0.01 sec. |
|
|
Vinogradovite
a mineral, hydrated silicate of titanium and sodium (Na5Ti4AlSi6O24·3H2O). Crystallizes in a mono-clinic system, usually forming colorless, thin needlelike and fibrous aggregates, and less frequently prismatic crystals. Its hardness on the mineralogical scale is 4; its density is 2,880 kg/m3. It is widely distributed in massifs of alkaline rock. It was discovered on the Kola Peninsula by E. I. Semenov in 1956 and is named in honor of A. P. Vinogradov. Want to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit the webmaster's page for free fun content. |
|
| Encyclopedia |
| Free Tools: |
For surfers:
Free toolbar & extensions |
Word of the Day |
Help
For webmasters: Free content | Linking | Lookup box | Double-click lookup |
|---|