• Thumbnail for Richterite
    Richterite is a sodium calcium magnesium silicate mineral belonging to the amphibole group. If iron replaces the magnesium within the structure of the...
    3 KB (222 words) - 12:15, 14 February 2024
  • Thumbnail for Fluoro-richterite
    in 1994. Its name is derived from its fluorine content and relation to richterite. At the type locality in the Ilmen Mountains fluororichterite occurs in...
    4 KB (182 words) - 01:06, 4 January 2024
  • Thumbnail for Lamproite
    titanium-rich aluminium-poor phlogopite; potassium- and titanium-rich richterite; low aluminium diopside; and iron-rich sanidine. A variety of rare trace...
    11 KB (1,074 words) - 04:24, 4 January 2024
  • Smoky quartz (var.) Quartzite Realgar Rhodizite Rhodochrosite Rhodonite Richterite Riebeckite Crocidolite (var.) Rosasite Rutile Samarskite Sanidine Sapphirine...
    13 KB (866 words) - 05:32, 11 March 2024
  • Renierite Rheniite Rhodium Rhodochrosite Rhodonite Rhodplumsite Rhomboclase Richterite Rickardite Riebeckite Ringwoodite Roaldite Robertsite Rodalquilarite Romanèchite...
    41 KB (2,732 words) - 20:21, 2 June 2024
  • Thumbnail for Amphibole
    Fe)4Ti Si6Al2O22(OH)2 Kaersutite Sodic-calcic Na NaCa (Mg,Fe)5 Si8O22(OH)2 Richterite Na-Ca-clinonamphibole Na NaCa (Mg,Fe)4Fe3+ Si7AlO22(OH)2 Katophorite Sodic...
    15 KB (1,556 words) - 23:57, 4 March 2024
  • Thumbnail for Asbestos
    to danger by mining vermiculite contaminated with asbestos, typically richterite, winchite, actinolite or tremolite. Vermiculite contaminated with asbestos...
    108 KB (11,609 words) - 08:57, 4 June 2024
  • Thumbnail for Vermiculite
    in Libby, Montana, did have tremolite asbestos as well as winchite and richterite (both fibrous amphiboles)—in fact, it was formed underground through essentially...
    24 KB (2,769 words) - 09:28, 18 April 2024
  • Ferrorhodonite Frdn Fluorokinoshitalite Flkns Fengchengite Fcg Ferro-richterite Frct Fluoro-leakeite Fllk Feodosiyite Fdy Ferrorockbridgeite Forck Fluoro-nybøite...
    180 KB (401 words) - 19:36, 31 March 2024
  • Thumbnail for Ikuo Kushiro
    colleagues identified phlogopite and potassium richterite (in which potassium is substituted for sodium in richterite) as two of the most important minerals involving...
    10 KB (999 words) - 23:14, 25 January 2024