 | | Journal (article/letter/editorial) | | 44118 janet_clifford@att.net Leadhillite Tsumeb, Namibia O xide-zone minerals present the collector with...size, such as those found uniquely at Tsumeb, Namibia. The leadhillite discovery at Tsumeb was world...other exotic oxidized zone in an as-yet-undeveloped mine. For now, however, Tsumeb holds top honors for the...name leadhillite in 1832, establishing the Susanna mine, Leadhills, as the type locality (Dana 1896). There...being an active commercial miner for minerals in Namibia. He works globally in the mining industry and is |  | | Journal (issue) | | localities: Minerals of the Kaokoveld District, Kunene Region, Namibia ............................................ 485 by R. J. Bowell, 0. Ermolina, W van der Plas, J. van Us & M. Steiner The best zincite crystals...shattuckite, 7.1 cm, from the Kaokoveld District, Kunene Region, Namibia. Irv Brown specimen; Jeff Scovil photo...the best vesuvianite specimens from the Jeffrey mine in Quebec. In this issue we present a review of...Herodsfoot Mine Work Readers who enjoyed Roy Starkey's superb article on the famous Herodsfoot mine in Cornwall |  | | Report (volume) | | and sediment. Concentrated waters associated with mine wastes may precipitate a variety of metal-sulfate...role of soluble sulfate minerals formed from acid mine drainage (and its natural equivalent, acid rock...ENVIRONMENTS .................................... . 351 Mine drainage .........................................klyuchevskite, K3[Cu2+3(Fe3+)O2]-(SO4)4, and lanarkite, [Pb2+2O](SO4), are based on [O2M4] chains of...through (SO4) groups into frameworks, whereas in lanarkite (Fig. 54e), they form infinite sheets parallel |  | | Book (edition) | | Germanic variants origi nate in the series 1-/andbuch der Min eralogie . foun ded by C. H i ntze. To distinguish...44. c 1 3 .50 A. A natural occurrence at a coal mine in the (TL) Lvov-Volynsk basin, USSR. Achates. syn...09. c 7.76 A . Z=2 [PDF 27-620]. (TL) San Carlos mine. Guanajuato. Mexico. Named for S. Aguilar. Agustitc...Natural 13-FeO(OH) described from Belgium by R. Van Tassel ( I 959) Bull. Soc. helg. Gi'ol. 68. 360....PDF 34- 1 266 on synth. material]. (TL) Akaganc mine. Iwate Pref., Japan. Named for locality. 9 Akalidavyne |  | | Book | | Wilsell, Stockholm, Sweden. Der ylw/sc/z/wss -Zeitschrift fiir die Freunde der Minerof America, und alogie...Abstracts, 1907-, American Chemical Soci- Chemie der Erde, 19 14-, OK di und Petrographie, see Contributions...Bulletin, 1895-, Helsinki, Finland. Fortschritte der Mineralogie, 191 1-, Deutsche Mineralogische Gesellschaft...Universitetsforlaget, Box 307, Blindern, Oslo 3, Norway. Akademie der Wissenschaften, Mathematischnaturwissenschaftliche...Weber, J., 1974. Encyclopedia of Minerals. New York: Van Nostrand Reinhold, 693p. Strunz, H., 1957. Mineralogische |  | | Book (volume) | | in compounds as ionic, covalent, metallic, and Van der Waals in type while recognizing that transitions...cases the concepts of covalent, metallic, and Van der Waal’s forces are useful. Molecules such as Nz...the negative valence electrons on the other. The Van der Waal force is of the type which binds atoms of...slightly less than in chalcocite as it is in the region represented by the formula Cu,S, the cubic digenite...interatomic distances, so that the atoms in any one region are at a 134 CRYSTAL STRUCTURES OF MINERALS |
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