 | | Report (issue) | | c = 5.891(1) Z=2 X-ray Powder Pattern: Tachgagalt, Morocco. 2.95 (FF), 2.62 (FF), 2.46 (FF), 9.1 (F)...0.07 0.02 0.01 0.61 99.92 100.17 (1) Tachgagalt, Morocco; H2 O by the Penfield method, includes pyrolusite...(CO3 )0.95 [O2.78 (OH)0.22 ]Σ=3.00 . (2) Wessels mine, South Africa; by electron microprobe, corresponding...Marokite, braunite, hausmannite, crednerite, pyrolusite, calcite, quartz, brucite (Tachgagalt, Morocco); barite...calcite, hydrogrossular, manganite, bixbyite, braunite, hausmannite, hematite (Kuruman district, South |  | | Report (issue) | | 03(2) c = 3.162(5) X-ray Powder Pattern: Tachgagalt, Morocco. 2.71 (FF), 2.22 (FF), 2.29 (F), 2.07 (F)... 26.21 Total 99.76 [100.00] 100.00 (1) Tachgagalt, Morocco. (2) Do.; recalculated to 100% after deduction...hausmannite, braunite, cryptomelane, pyrolusite, crednerite, dolomite, barite, calcite (Tachgagalt, Morocco); pyrolusite...From Tachgagalt, 17 km south of Ouarzazate, Anti-Atlas Mountains, Morocco. In the Black Rock mine, near...near Kuruman, Cape Province, South Africa. Name: For the first occurrence in Morocco, Maroc in French |  | | Report (issue) | | c = 18.854 Z= 8 X-ray Powder Pattern: Tachgagalt, Morocco. 2.728 (10), 1.672 (8.5), 1.427 (6), 1.085...78.94 8.94 Total 99.33 Chemistry: (1) Tachgagalt, Morocco; by electron microprobe, average of 14 analyses;...calcium (Tachgagalt, Morocco). Association: Braunite, marokite, crednerite (Tachgagalt, Morocco). Distribution:...Distribution: At Tachgagalt, Anti-Atlas Mountains, Morocco. From Manganese Creek Falls, Keeweenaw Co.,...mineral deposits of the High Atlas Mountains, Morocco. Type Material: National School of Mines, Paris |  | | Journal (article/letter/editorial) | | variations and nonstoichiometryin the bixbyite-braunite polysomaticmineral group JonlN P. on Vil.nEnsr*Pnrrn...85287, U.S.A. AssrRAcr Bixbyite, braunite, neltnerite, and braunite-Il are members of a mineral group...2-module bixbyite, the 4-module braunite, and the 8-module braunite-Il, new 3-, 5-, and 8-module assemblages...intergrowths of bixbyite (free of silica) and braunite-Il (5 wto/oSiOr) have also been observed by Hnrelr...in the M2* and Si contents lower than those for braunite-Il. It had previously been shown by Damon et al |  | | Journal (article/letter/editorial) | | Jouravsky and Permingeat (1963) in ore from Tachgagalt, Morocco, and named marokite. Its crystal structure...rare mineral in the ore from Black Rock Mine, N.W. Cape Province, Republic of South Africa. The geologyof...(1967) Distinction between two members of the braunite group. Amer. Mineral, 52, 20-30. THE AMERICAN |  | Armbruster, Thomas, Kohler, Thomas, Libowitzky, Eugen, Friedrich, Alexandra, Miletich, Ronald, Kunz, Martin, Medenbach, Olaf, Gutzmer, Jens (2001) Structure, compressibility, hydrogen bonding, and dehydration of the tetragonal Mn3+hydrogarnet, henritermierite. American Mineralogist, 86 (1) 147-158 doi:10.2138/am-2001-0116 | Journal (article/letter/editorial) | | 04)VI[SiO4]2.07[H4O4]0.93 from the N’Chwaning II mine at the Kalahari manganese fields, Republic of South...both in manganese mines, one at Tachgagalt, Anti-Atlas Mountains, Morocco (Gaudefroy et al. 1969), and the...the other at the N’Chwaning and Wessels mine, Kalahari manganese fields, Republic of South Africa, (Cairncross...hydrothermal reaction product of the original braunite-rich manganese ores (Cairncross et al. 1997)....have been proposed for the Morocco sample (Gaudefroy et al. 1969). At Tachgagalt henritermierite has substantial |  | | Book | | marokkanischen ses Buches die äußerst mineralreiche Region in Nordafrika nicht wiedergeben. Mineralien aus...r, al so wieder zurück zur Hauptstraße. Nahe der Mine von Guemassa können wir im Gelände noch kleine Achatkugeln...jedoch weder etwas über die aktuelle Situation der Mine in Erfahrung bringen noch irgendwelche Mineralien...müssten, der uns dann die Mineraliensammlung der Mine zeigen würde. , der Mineralienjagd und lässt durchblicken...nicht anzutreffen ist, fahren wir weiter Richtung Zagora, wo an einem Tagebau Belegstücke von Erythrin aufgesammelt |  | | Journal (article/letter/editorial) | | 286, 61, rue de Buffon, 75005 Paris Resumt. La braunite du gisement de St. Marcel-Praborna, dans le Val...gtochimiques propres. La braunite en filigrane reprtsente la premitre gtn4ration de braunite dans le gisement...Le facihs de braunite compacte reprtsente la braunite presque pure, tandis que la braunite en filigrane... est ntgligeable dans ce gisement. Abstract. Braunite in the metamorphosed Mn ore-body at St. Marcel-Praborna...chemical features. Sponge-like (filigran-texture) braunite contains Ca, Fe, Ti and traces of some transition |  | | Journal (article/letter/editorial) | | 1958 I was taken into the upper levels of the South mine from the bot tom of the old open cut, and saw the...post-mine pro duct and, therefore, not eligible to be called a mineral, though some post-mine efflorescences...mineralization, is from the Mercedes and Herminia mine group. MOROCCO Henritermierite Mr. Gilbert Gauthier of...henritermierite. The oc currence is vein #2 at Tachgagalt, near Ouarzazate in the Anti-Atlas Mountains...reflections can be seen with difficulty. The Tachgagalt deposit is famous for a number of other rare |  | | Book (edition) | | Chlorargyrite Mendipite Stolzite Vanadinite on {112} Braunite Wüstite yes brown medium grey; 17.94 grey... Mineral Descriptions Molybdenite in Graphite; Bogala Mine, Sri Lanka 51 Copper, native Synonym(s): Cuivre...of cuprite (bluish grey); North Mine (North Broken Hill Mine; NBH Mine), Broken Hill, Yancowinna Co.,...internal reflections); Madenköy Mine, Çayeli, Rize Province, Black Sea Region, Turkey (sample: Halbach); XPL...(greenish grey; arg); Monte Narba Mine, San Vito, Cagliari Province, Sardinia, Italy; PPL B Same sample |  | | Journal (article/letter/editorial) | | occurrence of natural ferrosilicon in the northern Azov region. Dokl. Ahad. Nauh.S.S.SR,185, 4lG+18 (in Russian)...Poltava series near Zachativsk station, Donets region, fragments 0.1 to 3 mm in size were found of material...w'ere not found in the crystalline rocks of the region. The grains are serrated, specular, dendritic with...drill core of epidote amphibolite, in the Surskii region, 300 km awaJ,/. The possibility that the minerals...to 1020o is that of a garnet plus some lines of braunite. Weissenberg photographs show the mineral to be |  | | Journal (article/letter/editorial) | | malachite)Averllyn Mine (1917)Bettws-y-coed Carn2Tl lll Minrecordite* Gr4l4". The Aberllyn mine is in the Llanrwst...5;650, 17.65,18.65%. The mineral occurs at Tachgagalt,Morocco, in small grains, Yafsoanite* rarely in dipyramidal...Lavrent'ev (1982) ated minerals are braunite and a calcian braunite, marokite, and a new tellurium minerYafsoanite...56,27.38;PbO12.82,8.88;CaO 16.79,18.47;SiOz azawa mine, Gumma Prefecture, Japan. Mineralog. Journal excessO...erite, CaMnrSiOrz,a new mineral speciesof the braunite group. Bull. Mineral., 105, 16l-165 (in French) |  | | Journal (article/letter/editorial) | | calcite and barite, associatedwith hausmannite, braunite, rare crednerite and polianite and as yet unidentifiecl...from the dump of no. 2 vein at Tachgagalt, 17 km SSE of Ooarza"zate,Morocco. Marokite occurs in large (5X1...darker than hausmannite and darker and browner than braunite. Parallel to (100) and (010), reflection pleochroism...occurs in a copper-cobalt ore of the Tuva Autonomous Region, in quartz veinlets with subordinate calcite and |  | | Journal (issue) | | gypsum on chert that I collected at the Minerva No. 1 mine dump in 1985. It had bundles of orange crystals...specimens I had collected in 1995 from the Annabel Lee mine ore pile had been cataloged as "celestine." I found...Meridiani, in the last spring was not a fluke. } region where the Rover Furthermore. it has mapped the... east of Valles Marineris, and also in a small region (240°E, clues about past climates on Mars and the...Pigmy (Pygmy) mine, near the village of Mexico in Crittenden Co., KY. A description of this mine can be found |  | | Book (edition) | | [4/6] VIII/B.02-70 838 Topaz VIII/B.09-03 840 Braunite Neltnerite VIII/B.09-07 842 Titanite VIII/B.12-10...(yellowish white), quartz (dark grey); New Bullfrog mine, Nye Co., Nevada, USA [h]; Nic. // Anhedral electrum...(greenish grey), quartz (dark grey); New Bullfrog mine, Nye Co., Nevada, USA [h]; Nic. // Anhedral electrum...(bluish grey shades), quartz (dark grey); New Bullfrog mine, Nye Co., Nevada, USA [h]; Nic. // 8 Gold A ...sample - photo A), dolomite (dark grey); Harstigen Mine, Pajsberg, Filipstad, Värmland, Sweden [j]; Nic |  | | Journal (issue) | | Zeolites and associated minerals from the Palabora mine, Transvaal........................................& R. S. W. Braithwaite The Lake George antimony mine, New Brunswick ..................... 263 by W. E...in g m ine, Kalahari m an g an ese field, C ape Province, South Africa. (See th e article in this issue...July-A ugust, 1991 in the collection from a specific mine, state or country, or all the gem beryls over 20...Specialists in the min eralogy of a particular region have also been afforded the opportunity to study |  | | Report (issue) | | deposit (Mpumalanga Province), the Kalahari manganese field (Northern Cape Province) and the Rustenburg...Inadequately described minerals Auricuprid - Cu-Au Braunite (new) Chrome magnetite Covellin, Blaubleibender...Lead-parkerite Lindsleyite (Ba) Lombaardite Low-silica braunite Manganese-diaspore Manganese epidote Manganpickeringite...Polytypes of uncertain status Barbertonite-3R Braunite II 3 TABLE 1 • TYPE-MINERAL NAMES FROM SOUTH...California, U.S.A. (Switzer and Bailey, 1953); Mihara mine, Okayama Prefecture and at Fuka, Okayama Prefecture |  | | Journal (article/letter/editorial) | | hydrothermal manganese deposits, Tachgagalt, Anti-Atlas Mountains, Morocco (Jouravsky & Permingeat 1964)...where it is associated with manganite, bixbyite, braunite, hausmannite and hematite. These mineral associations...The sample used in this study is from the Wessels mine, Kalahari manganese field, South Africa. Pure and... it is scaled by 350 compared to the low-angle region. The structure of gaudefroyite a function for |  | | Journal (article/letter/editorial) | | gaudefroyite, Ca8Mn3+ 6 [(BO3)6(CO3)2O6], from the Wessels mine, Kalahari manganese field, South Africa, shows strong...hydrothermal manganese deposits, Tachgagalt, Anti-Atlas Mountains, Morocco (Jouravsky and Permingeat 1964)...massive ores (associated with manganite, bixbyite, braunite, hausmannite, and hematite). These mineral associations...Well-developed crystals of gaudefroyite from the Wessels mine, Kalahari manganese field, South Africa, occur in |  | | Journal (article/letter/editorial) | | a new high pressure phase CMS-X1, a Ca-bearing braunite (Mn~.~Cao.s)Mn~ § Os(SiO, 0, and quartz. A1-Mn3+-piemontite...maximum solubility, coexistence of piemontite with braunite, wollastonite, quartz, and probably also pyrolusite...1975) will presumably not be stable at 15 kb. Braunite compositions have been plotted in the limiting...respectively. Abbreviations: An anorthite, Brn braunite, C corundum, CaMn-Gt garnet phase Ca3Mn~+(SiO3)3...state o f M n s h o u l d r e m a i n M n 3+. Braunite r e p r e s e n t a t i o n as in F i g u r e |  | | Journal (article/letter/editorial) | | r,vasfound on the dumps of vein no. 2, Tachgagalt, Morocco, 17 km SSW of Ouatzazate. It occurs in a...brucite; it is associated with marokite (CaMnzOr), braunite, hausmannite, crednerite, polianite (as an alteration...been found at the Magnet cove Barium corporation mine about 2] 'I'he mineral occurs as water soluble efflorescences...Molror, Vanadium silicate minerals from the Yamato Mine, Kagoshima Prefecture, Japan. Scl. Repts. Itoutlty...Ca:V:(SiO+)e(goldmanite)-MnrVz(SiO+):. The name yamatoite, for the mine, is given to the latter end member, which has not |  | | Journal (issue) | | on the Benitoite Gem mine, it was stated that the Mina Numero Uno, a nearby mine having a similar mineralogy...Alpine clefts in the Mont Blanc Swiss-French border region. genbach quarry specimens (see the Record, They...prices would otherwise be way out of reach. buck region. This can produce some surprises both ways. Another...France’s “Mine Des Farges,” now known worked the high altitudes of the Goscheneralp (canton Uri) region also...Massif Mont Tondu (range), in France’s Savoie province. The deep blue crystals were sharply terminated |  | | Journal (issue) | | Luzonite • copper arsenic sulfide • Chinkuashih mine, Keelung, T a iw a n • 4x5 $ 5 0 .0 0 , 2x3 $ 2...gaudefroyite and hausmannite in the Tachgagalt manganese deposits, Anti-Atlas, Morocco. The mineral is clove- to...from Verespatak, Rumania; copper from the Mohawk mine, Michi gan; cuprite (var. chalcotrichite) from...further slide displays of m /m s of some of the Foote mine, Kings Mtn., N orth Carolina minerals. Yedlin spoke...cussing the geology and mineral ogy of the Grandview mine, Grand Canyon, Arizona. He displayed some of the |  | | Journal (article/letter/editorial) | | remained unnoticed through eight years study of the mine. I-M.A. 81-1868; Bull. 105, 130.] Claraite. K. Walenta...turquoise-blue spherulitic aggregates at the Clara mine, Oberwolfach, Schwarzwald. Pseudohexagonal, probably...Anhedral white grains up to 1 cm from the Colquiri tin mine, Bolivia, are trigonal, space group P~lc or P31c...M.M. 46, 257. Yellowish crusts from the Bambolla mine, Moctezuma, Sonora, Mexico, are hexagonal, a 5.045...tabular crystals on quartz and baryte from the Clara mine, Oberwolfach, Baden, have space-group Pmmb, a 11 |  | | Journal (article/letter/editorial) | | Tourmaline of the elbaite-schorl series from the Himalaya mine, Mesa Grande, California: a detailed investigation...mineral, the Cu-analogue of borcarite from the Fuka mine, Okayama Prefecture, Japan. Int. Mineral. Assoc... (1991): Abswurmbachite; a new mineral of the braunite group: natural occurrence, synthesis, and crystal...mineral with disordered structure from the Santa Rosa mine, Atacama desert, Chile. N. Jb. Mineral. Abh., 185...Cu2[BO (OH)2](OH)3, a new mineral from the Tachgagalt mine, Morocco: Description and crystal structure. Eur |
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