 | | Catalog/List | | 5 cm across. £25 Tonca de Onca Mine, Virgem de Lapa Minas Gerais Brazil This is the end member of the...pink Hureaulite 7x7 mmCigana Mine, Galileia Minas Gerais £36 4 BRUCITE clear silvery cleavages about...matrix, not a visually attractive piece ! Ollinghouse Mine, washoe County Nevada U.S.A £50 . 6 STELLERITE...large lx2 inch £20 Ilimaussaq Greenland Sapucai Mine, Galileia Minas Gerais about 8.5mm Seinajoki Laani...by RT) Probably merclll'ian tennantite. Gortdrum Mine Tipperary Ireland £8 13 . 14 TSUMEBITE green coating |  | | Journal (article/letter/editorial) | | museums. Skutterud is an amphibolitehosted Co and Ni mine with no confirmed hydrotalcite, in which the rocks...may well be long-range order within individual brucite-like layers, but if this is strictly two-dimensional...proven structural variation is the stacking of brucite layers in the same orientation to produce the 3R...to Mg-Al ordering, c = 2c’, recorded from Jacupiranga, Brazil, by Arakcheeva et al. (1996), also, called...(Zhitova et al., 2015); (6) ‘quintinite-2H’ from Jacupiranga of Chao and Gault (1997), with a doubled relative |  | | Journal (article/letter/editorial) | | Nickel-containing montmorillonites and chlorites from Brazil, with remarks on schuchardtite G. W. B R I N D...silicates from Niquelandia, Goias, Brazil, and from Jacupiranga, S~to Paulo, Brazil, are examined by X-ray diffraction...tetrahedral sheets. The nickel silicates from Jacupiranga resemble chlorites, with a non-expanding basal...is not yet sufficiently well defined for the Jacupiranga chlorites to be given this name. THE present...a c u p i r a n g a , in the state o f S~o Paulo, Brazil, a n d nickel-containing m o n t m o r i l l |  | | Journal (issue) | | 85715 602-299-5274 Articles The Jacupiranga mine, Sao Paula, Brazil ...................................coated with malachite, 5 cm across, from the Onganja mine, Namibia. Collection of the Sorbonne, University...known Brazilian mineral collector, gem dealer and mine owner. $24.00 postpaid, (foreign orders 50C additional...Mineralogical Record, September-October, 1984 THE JACUPIRANGA MINE S a o T a u lo , T 3 r a z il Luiz Alberto...65 04709 Sao Paulo, Sao Paulo, Brazil and Joaniel Munhoz Martins Caixa Postal 5 Jacupiranga, 11940 Sao |  | | Report (issue) | | Occurrence: In calciphyres banding periclase-brucite marble xenoliths in an alkalic massif (Tazheran...Alnö Island, Sweden. From the Jacupiranga carbonatite, São Paulo, Brazil. In the Allende meteorite. Name: |  | Zhitova, E. S., Popov, M. P., Krivovichev, S. V., Zaitsev, A. N., Vlasenko, N. S. (2017) Quintinite-1M from the Mariinsky Deposit, Ural Emerald Mines, Central Urals, Russia. Geology of Ore Deposits, 59 (8) 745-751 doi:10.1134/s1075701517080116 | Journal (article/letter/editorial) | | Similarly to the structure of brucite, these layers are frequently called brucite-like or metal– hydroxyl....substitution of some divalent cations by trivalent in brucite-type layers results in their positive charge, which...Russia (Chukanov, Chervonnyi, 2015); and Jacupiranga, São Paulo, Brazil (Theiss et al., 2015). The only exception...REFERENCES c a Fig. 4. (a) Projection of Mg–Al ordered brucite-like layer and (b) alternating layers in crystal...Cualstibite, a new secondary mineral from the Clara mine in the Central Black Forest (FRG), Chem. Erde, 1984 |  | Zhitova, Elena S., Krivovichev, Sergey V., Yakovenchuk, Viktor N., Ivanyuk, Gregory Yu., Pakhomovsky, Yakov A., Mikhailova, Julia A. (2018) Crystal chemistry of natural layered double hydroxides: 4. Crystal structures and evolution of structural complexity of quintinite polytypes from the Kovdor alkaline-ultrabasic massif, Kola peninsula, Russia. Mineralogical Magazine, 82 (2) 329-346 doi:10.1180/minmag.2017.081.046 | Journal (article/letter/editorial) | | structure consists of [Mg pffiffi2ffi Al(OH) pffiffiffi 6] brucite-type layers with an ordered distribution of Mg2+...Saint-Hilaire (Quebec, Canada) and Jacupiranga (San Paulo, Brazil) (Arakcheeva et al., 1996; Chao and...and in two different orientations in respect to brucite-type layer: along orange (b, e) and green (c, f...crystal-structure refinement. Hydrogen atoms of the brucite-type layers were refined with no restraints. The...arrangements forming a 3 × 3 superstructure within the brucite-type layers. The stacking of the layers agrees |  | Krivovichev, S. V., Yakovenchuk, V. N., Zhitova, E. S., Zolotarev, A. A., Pakhomovsky, Y. A., Ivanyuk, G. Yu. (2010) Crystal chemistry of natural layered double hydroxides. I. Quintinite-2H-3c from the Kovdor alkaline massif, Kola peninsula, Russia. Mineralogical Magazine, 74 (5) 821-832 doi:10.1180/minmag.2010.074.5.821 | Journal (article/letter/editorial) | | in dolomitic carbonatite at the Jacupiranga mine, São Paulo, Brazil, where it was originally described...natural and synthetic LDHs is the presence of a brucite-like 3+ m+ double-hydroxide sheet [M2+ n Mm (OH)2(m+n)]...AL. FIG. 3. The octahedral [Mg(OH)2] layer in brucite (a) is characterized by a hexagonal unit cell with... (1992) Crystal chemistry and atomic order in brucite-related double-layer structures. Crystallography...D. and Martins, J.M. (1984) The Jacupiranga mine, São Paulo, Brazil. Mineralogical Record, 15, 261 270 |  | | Journal (article/letter/editorial) | | of carbonatite complexes from South America (Jacupiranga, Araxfi, Catal~o, Tapira, and Mato Preto) and...carbon isotope differences among the samples of Jacupiranga ( - 7 . 3 to -6.6%o), Araxfi ( -7.5 to -4.8%o)...level. For instance, while the samples from Jacupiranga have a narrow range of 6180 (6.6 to 7.3%0) and...Preto, Dept. de Geologia, 35400-000, Ouro Preto-MG, Brazil. 1339 1340 R. V. Santos and R. N. Clayton 55°...Grossa ,arch • •o•o~ / Rio de Janeiro •/ 25° Jacupiranga ARGENTINA ATLANTIC OCEAN Torres Syncline Rio |  | | Journal (article/letter/editorial) | | 2012). Their structures are derived from that of brucite, tvg(oH)2, in which edge-sharing Mg(oH)o octahedra...Mg6Al2(OH)16, indicates lhe shown in composition of the brucite-like layer. The water molecules and interlayer...interlayer anions are intercalated between two brucite-like layers, hence the designation 'layered double hydroxide'...1997). Quintinite-2H was found in the Jacupiranga mine, Brazil, and quintinite-3f at Mont SaintHilaire |  | | Journal (article/letter/editorial) | | other data are given: Field A ilmenites from Jacupiranga carbonatite (Mitchell 1978), FieldB ilmenites...(Mitchell 1973; 1977; Haggerty 1975) and from the Jacupiranga carbonarites (Mitchell 1978). From the kimberlite...geikielites can be distinguished from both the Jacupiranga geikielites and the kimberlite ilmenites on the...(1986) Geikielite and perovskite in serpentine-brucite marble from Baltistan, Northern Areas (Kashmir)...titanian clinohumite from the Jacupiranga carbonatite, S~o Paulo, Brazil. Am Mineral 63:544~547 Moore |  | Mills, S. J., Christy, A. G., Génin, J.-M. R., Kameda, T., Colombo, F. (2012) Nomenclature of the hydrotalcite supergroup: natural layered double hydroxides. Mineralogical Magazine, 76 (5) 1289-1336 doi:10.1180/minmag.2012.076.5.10 | Journal (article/letter/editorial) | | characterized by structures in which layers with a brucite-like structure carry a net positive charge, usually...typically provides hydrogen bonding between the brucite layers. In addition to synthetic compounds, some...range of ratios, and with O2 replacing OH in the brucite module to maintain charge balance (layer spacing...cationic complexes occur with anions between the brucite-like layers; and (8) the hydrocalumite group, with...with M2+ = Ca2+ and M3+ = Al, which contains brucite-like layers in which the Ca:Al ratio is 2:1 and |  | | Book | | BARTORELLI ::• . . .. MINERALS & PRECIOUS STONES OF BRAZIL Sponsored by: VALE MINISTER.IO DA CULTURA ©...Brasileira do Livro, SP, Brazil) Cornejo, Carlos .Minerals & precious stones of Brazil. Carlos Cornejo, Andrea...[franslation: BTS - Business Translation Services]. Sao Paulo: Solaris Cultural Publications, 2009. Original title:...3. Minerals - Brazil 4. Minerals- Classification 5. Mineralogy 6. Mineralogy - Brazil - History 7. Precious...Precious stones - Brazil I. Bartorelli, Andrea. II. Title. 09-10025 Cover photograph: Crystal of brazilianite |  | | Journal (article/letter/editorial) | | Ti--C1 veins). Of generally late formation are brucite and perovskite 1 Microprobe analysis, wt.%, SiO2...the ilmenite is the same as that ratio in the 'brucite' part of the clinohumite formula, and trace magnetite...paragenesis: diopside +antigorite +olivine (or brucite). The upper temperature limit ofTi -C1 has been...reaction (3) with the equilibrium antigorite+20 brucite=34 forsterite+51 HaO (6) yields a possible lower...: B./~ // \\ (:) chrysotile = antigorite § brucite. (e) ....... i" / \ / / Z_ (6/ rio2 -- |  | | | | 1991), Jacupiranga, Brazil (Sinclair et al., 1986; Bellatreccia et al., 1999), Araxá, Brazil (Traversa...apart from partial retrogression of periclase in brucite. The banded skarns are invariably observed in sharp...of zirconolite and calzirtite from Jacupiranga, São Paulo (Brazil). Mineralogical Magazine, 63, 649 660...Fontboté, J.M. (1980) Zoned silicate nodules in brucite marble Santa Ollala, Western Sierra Morena, Spain...(1986) Structure refinement of calzirtite from Jacupiranga, Brazil. American Mineralogist, 71, 815 818. Telouk |  | | Book | | On a spectacular find of crocoite in the Adelaide mine, Dundas, Tasmania (by A. H. Chapman) 3:111-113 ADOLFSSON...AJO Famous mineral localities: the New Cornelia mine, Ajo, Arizona (by W. J. Thomas & R. B. Gibbs) 14:283-298...ALLEN, GEORGE B. --and W. Hunt: The Tonopah-Belmont mine, Maricopa County, Arizona 19:139-144 ALLGOOD, GENNE...Allgood, C. Williams: Ramsdellite from the Mistake mine [Arizona] 14:333-335 ALLGOOD, ROBERT W. -with G...the Mistake mine [Arizona] 14:333-335 ALMA Famous mineral localities: the Home Sweet Home mine, [near Alma |  | | Journal (article/letter/editorial) | | structure is characterized by a regular alternation of brucite-like layers with composition (Zn2/3Al1/3)(OH)2...phases all the structures are based on alternating brucite-like layers and interlayers, composed of carbonate...and water molecules; the octahedral sites of the brucite-like layer are occupied by both diand trivalent...parameters for the metal and oxygen atoms of the brucite-like layer and isotropic thermal parameters for...is shown in Figure 5 which shows alternation of brucite-like layers and interlayers, interconnected through |  | Janardhan, A.S., Sriramguru, K., Basava, Sharana, Shankara, M.A. (2001) Geikielite-Mg.Al.Spinel -Titanoclinohumite Association from a Marble Quarry near Rajapalaiyam Area, Part of the 550 Ma Old Southern Granulite Terrain, Southern India. Gondwana Research, 4 (3) 359-366 doi:10.1016/s1342-937x(05)70335-x | Journal (article/letter/editorial) | | (1986) Geikielite and perovskite in serpentine brucite marble from Baltistan, northern areas (Kashmir)...titanian clinohumite from the Jacupiranga carbonatite, Sao paulo, Brazil. Amer. Mineral., v. 63, pp. 544-547 |  | | Journal (article/letter/editorial) | | + phlogopite + dolomite ± ilmenite ± rutile ± brucite ± baddeleyite + serpentine), glimmerite (phlogopite...Palabora or Phalaborwa (South Africa) and Jacupiranga (Brazil). The occurrence of aluminous spinel in association...carbonatites and silica undersaturated rocks of Brazil. In Jacupiranga, they concluded that phlogopite in carbonatites...carbonatites and metasomatic rocks of Jacupiranga carbonatite complex, Brazil. The Fe(t) represents the total... Wyllie, P., 1987. The phlogopites from the Jacupiranga carbonatite intrusions. Mineralogy and Petrology |  | | Journal (article/letter/editorial) | | (U-17). Approximate order of image brightness is brucite< calcite < periclase < (spurrite + monticellite...apatite; periclase (small dark equant grains) with brucite rims; magnetite with spinel rims (lower right);...because grains are small and partly altered to brucite in concentric zones which could not be avoided...reaction point at which periclase is consumed and brucite is produced at 638 ~ C, then to the p o r t l a...Magnetite in the carbonatites from the Jacupiranga complex, Brazil. Am Mineral 68:195-213 Gaspar JC, Wyllie |  | | Journal (article/letter/editorial) | | Tomtor carbonatite is remote from modern trans- (Brazil) and Mount Weld (Western Australia),containsone...0.06 0.04 0.87 0.04 0.01 tr 0.23 1.04 tr Brucite Anatase Priderite ,0.47 0.01 0.08 Fe oxides...calcite;9 = Mount Weld, calcite;10 calcite; 11 = Jacupiranga, calcite; 12 = MagnetCove,calcite; fromthelowerorehorizon...fromthelowerorehorizon (tD = -135%o)suggests surface = Jacupiranga, 13 = Kaiserstuhl,calcite. water as the main...Correlation Coefficients (X100)of Porosity andRare in Brazil,and an orderof magnitude richerin rare-earth Elementsin |  | | 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...July-A ugust, 1991 in the collection from a specific mine, state or country, or all the gem beryls over 20...associated minerals have been found. LOCATION Palabora mine* is located some 550 km from Johannesburg, in the...complex are also hosts to economic deposits of *The mine name is Palabora, but the geographical place name |  | | Book (edition) | | International Symposium on Carbonatites in Pocos de Caldas, Brazil for which this writer was keynote speaker. The... Pakistan, Quebec, Finland, Guyana, Venezuela, Brazil, Paraguay, Angola and South-West Africa, i.a. Carbonatites...Quebec and Araxa, Brazil) and important sources of P, Ti, Cu and CaCO; (Jacupiranga, Brazil). In addition...Carbonatites of the World United States Canada Brazil Greenland, Europe, and the U.S.S.R. Africa India...localities as inclusions in the limestone”’ (italics mine). Actually, the first published description of |  | Clark, A. M., Smith, D. A., Symes, R. F., Tandy, P. C., Hart, A. D. (1995) Catalogue of Type Mineral Specimens in the Natural History Museum, London - With an appendix listing mineral species and varieties originally described from the British Isles. Natural History Museum, London. | Book | | the description of the species nominates Socrates mine, Sonoma County, California, as the type locality... Aerugite (Neotype) BM 1963,00481 South Terras mine, St-Stephen-in-Brannel, Cornwall, England R.J. Davis...34. Afwillite (Cotype) BM 1925,00080 Dutoitspan mine, Kimberley, South Africa J. Parry and F. E. Wright...277. Agardite (Cotype) BM 1978,00024 Bou Skour mine, Bou Azzer, Jbel Sarho, Morocco J.E. Dietrich, M...199. Apachite (Cotype) BM 1980, 00532 Christmas Mine, Gila Co., Arizona, USA F.P. Cesbron & S.A. Williams |  | | Journal (article/letter/editorial) | | coprecipitation of calcite, portlandite, and periclase/ brucite (with H2O-rich vapor) has served as a model for...coprecipitation of calcite, dolomite and periclase (brucite should replace periclase at slightly higher pressures)...1973; Cooper and Reid, 1991). In the Jacupiranga complex, Brazil, there are examples of calcite with interstitial...the experiments, calcite (CC), magnesite (MC), brucite (MH) and portlandite (CH). Figure 3 shows the tetrahedron...Analyzed Reagent; dried at 240 C for 3 h); (3) brucite (Mg(OH)2±synthesized in a large volume Morey bomb |
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