 | | Journal (article/letter/editorial) | | Zemann ? M. Nowak Reversible hydration in synthetic mixite, BiCu6(OH)6(AsO4)3 ? nH2O (n#3): hydration kinetics...by structural and kinetic studies on synthetic mixite BiCu6(OH)6(AsO4)3 ? nH2O (n#3). X-ray diffraction...Bayreuth, Universitätsstraße 30, D-95440 Bayreuth, Germany Tel. 149 (0)921 55-3730; Fax 149 (0)921 55-3769;...31336-1866 or 1825; FAX 143 (0)1 31336-783 Introduction Mixite, (Bi,Ca)Cu6(OH)6(AsO4,AsO3OH)3 ? 3H2O, is a microporous...tetrahedral framework of alumosilicate zeolites, the mixite framework is a more complex protonated framework |  | | Book | | reflection ofnot only the varied geology of the region but also a once-thriving minerals industry and...Meldonaplitequarry,nrOkehampton, Devon ~.~eldon ap::'te quarry,nrOkehamp:on. 0: ,0,1: roci...Bergemann in 1858 from Johanngcorgenstadt, Saxony, Germany, and named by G. J. Adams in 1869. They were considered...Cheesewring quarry, Cornwall (Foord et al. 1985); a study oflithium minerals from Meldon aplitc quarry, Devon...Merehead (Torr Works) quarry, Cranm re: Kikhoan, Ardnamurchan, Highland Region; and Susanna mine. Leadhills |  | | Journal (issue) | | mineral s across Asia. Day two of Ste. Marie was a blessing in disguise. My lost baggage was found and was...from Am R ote n Be rg Mine, Schneeberg, Saxony, Germany in ox idi ze d dump m a te ri a l w ith b ari um...nicke lschneeberg ite from Schneeberg. Saxony, Germany: the first Bi-bearing m embe rs o f the tsumcorite...conic halc ite.jaro itc. lavendu lan, ma lachite. mixite, o livcnite. pharmacosideritc, a nd scorodite in |  | | Journal (issue) | | Vol/end1111g des 80. Lebensjahres gewidmet Abstract. Mixite was synthesized under low-hydrothermal conditions...(1991): A contribution lo thc crystal chemistry of mixite group minerals from Sardinia (Italy). - Neues Jahrb...(1982): Petcrsite. a REE and phosphate analog of mixite. - Amcr. Mineral. 67. 1039-1042. SCHRAUF, A . (1880):...TETZER/Göttingen, . Artur WITTERN/Barmstedt und Familie BLESSING/Frankfurt; Schlackenbalde Genna in Letmathe: Herrn...zinc analogue of schulenbergite, from Ramsbeck, Germany. - Min.Mag. 56. S. 215-219. MUMME. W. G. & NICKEi |  | | Journal (issue) | | Werner Lieber Heidelberg, West Germany Olaf Medenbach Bochum, Germany Eric Offermann Arlesheim, Switzerland...Geology and ore deposits of the CourtlandGleeson region, Arizona. Arizona Bureau o f Mines Bulletin 123...porphyry. Simons (1963) describes the dikes of the region as a swarm 1 mile wide and 4 miles long whose composition...(1925) identified a number of formations in the region including Gila conglomerate of Tertiary age, Cretaceous...much of the vanadinite in what amounts to a mixed blessing. The calcite pro tects the fragile vanadinite |  | | Book | | chisels, scrapers and even magIY, in the Lagoa Santa region, Minas nificent specimens of sculpted and polished...of Rare sillimanite axe blade from the Northeast region sharpness, verified by passing a finger along the...·eral specimens of lithic artwork from the Serid6 region, in Nonheast Brazil, such as arrowheads in hyaline...se,·eral minerals and collected in the Southeast region of Brazil. From top to bottom and from left to...shing the stone. 19 S.w 1baqui from the Laguna region in Santa Catarina, partially dismantled, in 1972 |  | | Book (edition) | | oxidized portions of base metal deposits. The blessing (and oft-times we must add, bane) of the professional...County]. Some of the dry arroyos or canons in that region are crowded with blocks of the pure ore, from one...explored. The lead salts which I have seen from this region are wulfenite, of remarkable beauty, vanadinite...this group occur among the ores of the Vulture region, and especially in the "Collateral" and "Chromate"...1975 ended a century of continuous activity in a region that has few peers for the amount of nonferrous | | | Book (edition) | | oxidized portions of base metal deposits. The blessing (and oft-times we must add, bane) of the professional...County]. Some of the dry arroyos or cafions in that region are crowded with blocks of the pure ore, from one...explored. The lead salts which I have seen from this region are wulfenite, of remarkable beauty, vanadin ite...this group occur among the ores of the Vulture region, and especially in the “Collateral” and “Chromate”...1975 ended a century of continuous activity in a region that has few peers for the amount of nonferrous |  | | Book (edition) | | oxidized portions of base metal deposits. The blessing (and oft-times we must add, bane) of the professional...Metauranocircite Metavoltine Miersite Millerite Mixite Mordenite Nacrite Natroalunite Natrolite Nekoite...to an end a century of continuous activity in a region that has few peers for the amount of nonferrous...steep-walled canyons by the river systems draining the region. Major uranium- and vanadium-rich areas occur in...they are relatively minor in the Monument Valley region. These curved mineralized bands consist of impregnations | | | Book (edition) | | oxidized portions of base metal deposits. The blessing ( and oft-times we must add, bane) of the professional...Metauranocircite Metavoltine Miersite Millerite Mixite Mordenite Nacrite Natroalunite Natrolite Nekoite...to an end a century of continuous activity in a region that has few peers for the amount of nonferrous...steep-walled canyons by the river systems draining the region. Major uranium- and vanadium-rich areas occur in...they are relatively minor in the Monument V~lley region. These curved mineralized bands consist of impregnations |  | | Journal (volume) | | MINING ACTIVITY Mines, IN SOUTHERN CALIFORNIA R. Blessing, president; K. C. Hueler, secretary, 416 Calif...oxford gray, of very fine texture and hardness. The quarry is 200 ft. in length by 100 ft. in width. Equipped...dike about 200 yards west of the Jensen limestone quarry, near Crestmore. San Diego County Yellow, green...beryllium-silver. In 1921 Stock and Goldschmidt, in Germany, with the cooperation of Priess and Praetorius...York banking firm. Next to the United States, Germany is the main source of beryllium products, although |
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