• Thumbnail for Colemanite
    Colemanite (Ca2B6O11·5H2O) or (CaB3O4(OH)3·H2O) is a borate mineral found in evaporite deposits of alkaline lacustrine environments. Colemanite is a secondary...
    5 KB (302 words) - 21:34, 13 March 2024
  • 12007-33-9 B3N3H6 borazine 6569-51-3 B4C boron carbide 12069-32-8 B4CaO7 colemanite B4Na2O7.10H2O borax 1303-96-4 Ba(AlO2)2 barium aluminate 12004-04-5 Ba(AsO3)2...
    183 KB (107 words) - 22:11, 6 September 2024
  • Thumbnail for Mohs scale
    3 Brass 3.5 Adamite 3.5-4 Sphalerite 4 Iron 4–4.5 Ordinary steel 4.5 Colemanite 5 Apatite 5-5.5 Goethite 5.5 Glass 5.5–6 Opal 6 Rhodium 6-6.5 Rutile 6...
    16 KB (1,127 words) - 14:27, 11 October 2024
  • to gradually melt the silica sand, limestone, kaolin clay, fluorspar, colemanite, dolomite and other minerals until a liquid forms. It is then extruded...
    39 KB (4,795 words) - 01:53, 8 November 2024
  • Chrysotile Cinnabar Clinochlore Clinohumite Clinozoisite Clintonite Cobaltite Colemanite Cordierite Iolite (var.) Cornwallite Corundum Ruby (var.) Sapphire (var...
    13 KB (867 words) - 01:34, 24 August 2024
  • Thumbnail for Mineral
    sphalerite (ZnS), an ore of zinc; cassiterite (SnO2), an ore of tin; and colemanite, an ore of boron. Gems are minerals with an ornamental value, and are...
    109 KB (13,007 words) - 05:27, 8 November 2024
  • Thumbnail for Borate mineral
    [B(O,OH)4]− anion exists as well. Many borate minerals, such as borax, colemanite, and ulexite, are salts: soft, readily soluble, and found in evaporite...
    10 KB (947 words) - 21:18, 26 July 2023
  • Clintonite Cobaltite Coccinite Coconinoite Coesite Coffinite Cohenite Colemanite Colimaite Collinsite Coloradoite Columbite (mineral group) Combeite Conichalcite...
    42 KB (2,782 words) - 15:04, 6 November 2024
  • Thumbnail for Boron group
    and ores, however: the main source is borax, but it is also found in colemanite, boracite, kernite, tusionite, berborite and fluoborite. Major world miners...
    50 KB (5,716 words) - 19:29, 2 November 2024
  • Coldwellite Cwl Cuprospinel Cspl Calvertite Cvt Cesanite Csa Chongite Cng Colemanite Cole Cuprostibite Cusb Calzirtite Caz Césarferreiraite Céf Chopinite Cpn...
    180 KB (418 words) - 05:15, 30 June 2024
  • arid regions of California, and as widely dispersed minerals such as colemanite, ulexite, and tourmaline. Sassolite—natural boric acid—occurs especially...
    29 KB (2,909 words) - 21:35, 5 November 2024
  • borosilicate minerals such as borax, boracite, ulexite (boronatrocalcite) and colemanite. Borates also occur in seawater, where they make an important contribution...
    24 KB (2,677 words) - 03:55, 11 October 2024
  • Thumbnail for Boron
    Crater on Mars. Economically important sources of boron are the minerals colemanite, rasorite (kernite), ulexite and tincal. Together these constitute 90%...
    127 KB (13,568 words) - 12:21, 31 October 2024
  • Thumbnail for Boron, California
    19.4 percent of those age 65 or over. Borate evaporites in the form of colemanite was first reported in 1913 during drilling of a water well. Claims were...
    28 KB (2,675 words) - 15:05, 9 October 2024
  • Thumbnail for Ulexite
    tuft of acicular crystals. Ulexite is frequently found associated with colemanite, borax, meyerhofferite, hydroboracite, probertite, glauberite, trona,...
    23 KB (2,638 words) - 15:53, 5 November 2024
  • Etidot-67 (Disodium Octaborate Tetrahydrate) Natural Boron Minerals: Colemanite (Ground, Granular, Compacted, Concentrated) Ulexite Tincal Şebnem Önder;...
    7 KB (524 words) - 15:28, 27 October 2024
  • Thumbnail for Calico, California
    buried in the Boot Hill cemetery. The discovery of the borate mineral colemanite in the Calico mountains a few years after the settlement of the town also...
    20 KB (1,976 words) - 18:09, 31 August 2024
  • Thumbnail for Monotown
    (RGRK). They produce zinc and lead concentrates as well as boric acid colemanite. The Soviet planned economy aimed to establish industrial facilities in...
    11 KB (1,215 words) - 06:25, 14 August 2024
  • precipitate is calcium borate. A hydrated form occurs naturally as the minerals colemanite, nobleite and priceite.[citation needed] One of its uses is as a binder...
    3 KB (167 words) - 01:25, 14 January 2024
  • Thumbnail for Rhyolite, Nevada
    tracks leased from the BGR. The TTR was built to reach the borax-bearing colemanite beds in Death Valley as well as the gold fields. By 1907, about 4,000 people...
    39 KB (4,016 words) - 12:39, 11 October 2024
  • Thumbnail for Death Valley Railroad
    A map of the Death Valley Railroad running from Death Valley Junction all the way up to the mines at Ryan near Colemanite...
    8 KB (889 words) - 06:44, 12 July 2024
  • Thumbnail for Ryan, California
    of Lila C was constructed in 1907 near the Lila C mine, which produced colemanite for the Pacific Coast Borax Company. The town was named by its owner William...
    8 KB (731 words) - 21:32, 6 September 2024
  • Thumbnail for Geology of the Death Valley area
    zones in Badwater Basin and in rough silty rock salt in Cottonball Basin Colemanite Ca2B6O11·5H2O Questionably present (X-ray determination but unsatisfactory)...
    57 KB (5,533 words) - 18:33, 18 August 2024
  • Thumbnail for Rio Tinto Borax Mine
    of what he believed to be gypsum. Further testing revealed it was the colemanite form of borax. Francis Marion "Borax" Smith bought the claim for his Pacific...
    4 KB (366 words) - 20:01, 1 July 2024
  • mixtures of formaldehyde, glyceraldehyde, and borate minerals such as colemanite (Ca2B6O115H2O) or kernite (Na2B4O7). However, issues remain with both...
    6 KB (646 words) - 13:18, 22 July 2024
  • Thumbnail for Greigite
    masses. Association minerals include montmorillonite, chlorite, calcite, colemanite, veatchite, sphalerite, pyrite, marcasite, galena and dolomite. Common...
    7 KB (562 words) - 20:55, 22 December 2023
  • of one to two weeks. A mortar is made with a "flux" (glass, soda, or colemanite) to help fuse it. The adobe blocks are laid so that the joints are staggered...
    8 KB (1,299 words) - 07:11, 8 March 2024
  • Thumbnail for Levi F. Noble
    gunpowder. Later work addressed colemanite(borate) deposits, both in Shoshone and elsewhere. His 1926 paper on the Shoshone colemanite deposits described the first...
    11 KB (1,389 words) - 01:29, 15 September 2024
  • Thumbnail for William Tell Coleman
    Coleman died at his home in San Francisco on November 22, 1893. The mineral Colemanite was named in his honor. The actor Gregg Palmer was cast as Coleman in...
    9 KB (1,022 words) - 18:29, 3 November 2024
  • Thumbnail for Francis Marion Smith
    Borax Works in Death Valley ceased with the development of the richer Colemanite borax deposits at Borate in the Calico Mountains, which were discovered...
    22 KB (2,468 words) - 02:06, 23 October 2024