 | | Journal (article/letter/editorial) | | Article Polytypism of cronstedtite from Pohled, Czech Republic JIŘÍ HYBLER1,*, JIŘÍ SEJKORA2 and VIKTOR VENCLÍK3...of Sciences of the Czech Republic, Na Slovance 2, CZ-182 21 Praha 8, Czech Republic *Corresponding author...1740, CZ-193 00 Praha 9, Czech Republic 3 Na drážce 1501, CZ-530 03 Pardubice rre ct ed pr oo f Abstract:...was found in an active quarry near Pohled, Czech Republic, in the Monotone Series of Moravian Moldanubicum...polytypes from a new occurrence near Pohled, Czech Republic. 22 23 24 25 26 Occurrence 27 The cronstedtite |  | | Report (issue) | | USA); jokokuite, ilesite, rhodochrosite, manganoan calcite, kutnohorite (Jokoku mine, Japan); alabandite (Broken...rozenite, ilesite, copiapite, gypsum (Chvaletice, Czech Republic). Distribution: In the USA, from the...Bingham district, Salt Lake Co., Utah; in New Mexico, in the Bayard area, Central (Bayard) district, Grant...the Lake Valley district, Sierra Co.; at the Moon Anchor mine, Cripple Creek district, Teller Co., Colorado...Hill, New South Wales, Australia. At Chvaletice, Czech Republic. Name: To honor François Ernest Mallard |  | | Report (issue) | | 37(2) Z = 184 X-ray Powder Pattern: Chvaletice, Czech Republic. 5.99 (10), 3.580 (9), 5.471 (7), 3.862...Total (1) Racalmuto, Sicily, Italy. (2) Chvaletice, Czech Republic; by electron microprobe and neutron activation...metamorphosed sedimentary manganese deposits (Chvaletice, Czech Republic); in carbonate-bearing serpentinites...Hamilton, California, USA). Association: Sulfur, calcite, \opal," cristobalite, quartz, dolomite, celestite...near Quercianella, Tuscany. In the Chvaletice deposit, Czech Republic. In the USA, at Mt. Hamilton, Santa |  | | Journal (article/letter/editorial) | | markers Stanislav VRÁNA Czech Geological Survey, Klárov 3, 118 21 Prague 1, Czech Republic; stanislav.vrana@geology...7–5.8 hematite. Some closely associated impure calcite marbles (or amphibolites) carry Ti-bearing andradite...accumulation of the volcanosedimentary column. In the Czech part of the Moldanubian Zone in the Bohemian Massif...the oldest recognised structural pattern in the Czech part of the Moldanubian Zone (Kodym 1972; Vrána...Localities of Mn-rich rocks in southern Bohemia, Czech Republic. magnetite, which occur in close proximity |  | | Journal (article/letter/editorial) | | paper Polytypism of cronstedtite from Chyňava, Czech Republic Jiří HYBLER1*, Jiří SEJKORA2 1 2 * Institute...of Sciences of the Czech Republic, Na Slovance 2, 182 21 Prague 8, Czech Republic; hybler@fzu.cz Department...National Museum, Cirkusová 1740, 193 00 Prague 9, Czech Republic Corresponding author Small druses and isolated...quartz–calcite veinlet were encountered in the borehole drilled near Chyňava (central Bohemia, Czech Republic)...defined zeolites. At the territory of the today’s Czech Republic, cronstedtite has been later described from |  | | Report (issue) | | Total 100.49 100.26 100.00 (1) Kutná Hora, Czech Republic. (2) Franklin, New Jersey, USA. (3) CaMn(CO3...sediments. Association: Rhodochrosite, aragonite, calcite. Distribution: Analyzed material, shown to have...structure type, occurs at: Kutná Hora and Chvaletice, Czech Republic. At Långban, Värmland, Sweden. From...the Sunnyside and Silver King mines, Silverton district, San Juan Co., Colorado; in the Longvale quarry...Saint-Hilaire, Quebec, Canada. In the Providencia district, Zacetecas, Mexico. Fine examples from the N’Chwaning |  | | Report (issue) | | 99.9 100.00 (1) Pajsberg, Sweden. (2) Chvaletice, Czech Republic; by electron microprobe, total Fe as...ganophyllite, manganophyllite, hendricksite, garnet, calcite. Distribution: At the Harstigen mine, near Persberg...Dalroy, Inverness-shire, Scotland. From Chvaletice, Czech Republic. From Broken Hill, New South Wales, Australia |  | Beard, A. D., Howard, K., Carmody, L., Jones, A. P. (2013) The origin of melanophlogite, a clathrate mineral, in natrocarbonatite lava at Oldoinyo Lengai, Tanzania. American Mineralogist, 98 (11) 1998-2006 doi:10.2138/am.2013.4264 | Journal (article/letter/editorial) | | titanian magnetite in a groundmass of Sr-rich calcite. Significantly, the combeite 2000 BEARD ET AL...and titanian magnetite in a matrix of Sr-bearing calcite. Similar composite crystal aggregates also occur...titanian magnetite, barite, galena, and Sr-rich calcite are common as groundmass phases. However, unlike...(Sicily). Subsequent occurrences include: Chvaletice (Czech Republic) from metamorphosed Fe-rich rhodochrosite...rhodochrosite layers (Zak 1967, 1972), Korozluky (Czech Republic) from fissures in tertiary volcanic rocks (Filippi |  | | Journal (issue) | | . . . . . . . . . . 261 by T. Moore COVER: CALCITE crystal cluster, 13.6 cm, from the famous Malmberget...Symposium v.28/#1 Illinois-Kentucky Fluorite District! 80 p., full color $15 v.28/#4 Mines & Minerals...$15 v.29/#1 Mexico-I Issue All about the Boléo District, Baja Calif. $10 v.29/#4 The Sweet Home Mine...and greatest of all Brazilian localities is the district of Barra de Salinas, encompassing a gem-bearing...finally revealed. I have studied many maps of the region explored by Fernão Dias Paes Leme, and have concluded |  | | Journal (article/letter/editorial) | | tourmaline cores. Sample locality: Minas Maria, Cananea District, Mexico. (c) Tourmaline fibers as mats covering...vein penetrating graphitic schists at Chvaletice, Czech Republic. Wet chemical analyses of whole fibers...pressure and temperature conditions near the critical region of the H2O system (Norton & Dutrow 2001). Fibrous...anhydrite or quartz, is associated with fluorite, calcite, and pyrite, and appears to be a late feature of...Mexico The Maria Mine is located within the Cananea district in Sonora, Mexico, approximately 10 km northwest |  | | Report (issue) | | Mineral Group: Milarite group (?). Occurrence: In calcite veins (Kongsberg, Norway); in manganese-metasomatized...south-southeast of Braemar, Scotland. From Chvaletice, Czech Republic. At R¶emigny, Quebec, Canada. From 16 |  | Polgári, M., Bajnóczi, B., Kovács Kis, V., Götze, J., Dobosi, G., Tóth, M., Vigh, T. (2007) Mineralogical and cathodoluminescence characteristics of Ca-rich kutnohorite from the Úrkút Mn-carbonate mineralization, Hungary. Mineralogical Magazine, 71 (5) 493-508 doi:10.1180/minmag.2007.071.5.493 | Journal (article/letter/editorial) | | important and abundant carbonate minerals such as calcite, dolomite and aragonite. Other less common carbonate...(QHRS-CL) the lower activation limit of Mn2+ in calcite (yellow-orange CL) and dolomite (yellow to red... e.g. Machel et al., 1991). The CL spectra of calcite usually display one emission peak and studies have...method for Mn with QHRS-CL (<10 ppm) for Fe-poor calcite using the peak height of the Mn emission band in...correlation found by Habermann et al. (1998, 1999) for calcite. By integrating peak areas, rather than peak heights |  | | Journal (article/letter/editorial) | | selected, rare dolomites have been extended to calcite-structured (R3c) carbonates and to other natural...diffraction contrast shown by the ribbons. Dolomite and calcite have very similar crystal structures (Reeder, 1983a)...The a and c lattice parameters of dolomite and calcite differ by about 3.6 and 6.2 percent respectively... 72 D. J. BARBER AND M. RIAZ KHAN with the calcite structure. It also contains a few preliminary results...ankerites and kutnahorites, those with the calcite structure were calcite, siderite and smithsonite. The origins |  | | Journal (article/letter/editorial) | | structure-type, AB(CO3)2,and was not merely a calcite-type solid solution, with the formula (Ca,Mn,l\tlg...Kutina sent us a specimen of a carbonate from Chvaletice, Czechoslovakia, described Ay ZaU (1949), that...material of Bukowsky r1901) 6. Kutnahorite,Chvaletice, Czechoslovakia. Calledankeriteby Zek Q949)andcomparedby... It differs completely from the DTA curves of calcite and rhodochrosite, which show a single endothermic...the CaO. Thermal curves for the rhodochrosite-calcite series have been described by Kulp, Wright and |  | | Journal (article/letter/editorial) | | and include both common and rare species such as calcite, rhodochrosite, spessartine, magnetite, willemite...masses embedded in white, coarsely crystalline calcite, generally near late pegmatite dikes. It was particularly...translucent pink crystals partially exposed from white calcite by acid or other matrix etching techniques. Crystals... and sulfides, include mines in the Telluride district, San Miguel, and Ouray counties; other mines in...Bird mine, Ouray County; mines of the Bonanza district, Saguache County; the North Amethyst vein system |  | | Journal (article/letter/editorial) | | Jiřı́ Konta from Charles University, Prague, Czech Republic. His scientific career trajectory was always...OF MY HEART J IŘ Í K O NT A * Translated from Czech by Miroslava Christesen TABLE OF CONTENTS Introduction...as well as on a vast personal correspondence in Czech and other languages. I do not exclude personal feelings...awe-inspiring trees. At the time of my youth, the district road leading from Čáslav to Žleby and then...in Čáslav celebrating the famous 15 th century Czech Hussite warrior. Sculpture by Josef Václav Myslbek; |  | | Journal (article/letter/editorial) | | tedminerals include quartz, cristobalite. dolomite, calcite,magnesite,and pyrite. The mineral is cubic with...where it occurs with cristobalite, quartz, sulfur, calcite, and celestite. A second world occuruence has been...FROM CALIFORN IA 1495 rhodochrositehorizon at Chvaletice,East Bohemia, associatedwith cristobalite,dolomite...seams.Small quantitiesof pyrite, magnesite,and calcite were the only accessorymineralsnoted in the seams...melanophlogrte. Zdk Q972) describes the assemblageat Chvaletice as having formed under low'temperature and pressure |  | | Journal (article/letter/editorial) | | Glenmacnass, Co. Wicklow, sillimanite, 763 Rosses district, Donegal, beryl, 328 Three Rock Mtn, San@ford...Czechoslovakia ((~eskoslovensko) Bohemia, moldavites, 408 Chvaletice, Bohemia, pyrophanite, 312. Moravia, moldavites...yttrotungstite, raspite, stolzite, 261 Bau mining district, Sarawak, antimonian idoerase, 894 Tapah, Kinta...India Bhopal, levyne, 527 Ghoriajor, Sundargarh District, Orissa, blanfordite, 3z Jothvad, Gujarat, blandfordite...blandfordite, 32 Kacharwali, Nagpur District, Maharashtra, blanfordite, 32 Khetri copper belt, Rajasthan |  | | Journal (article/letter/editorial) | | Scapolite occurring near the Kanda river, Kemi district, Archangel govt', enclosesankerite, chlorite,...compositionis discussed. The scapolite rocks of this district are metamorphic derivatives of labradorite, which...from this locality in the Ekaterinburg E. F. H. district, Perm,wrighs 1,550gramsand measuresl3xgrh X7 cm...pseudomorphsafter cordieriteoccur in quartz veins in this district. Cordieriteand greenapatite are found in gneiss...ll8. Rozptooy Thomsonite, chabazite,natrolite,calcite (containing l.72ToMnO), a.nd pyrlte 6ll cavitiesin |  | | Journal (article/letter/editorial) | | paragenesis with low,Mn-calcite with or without dolomite, and a Mn-rich one with high-Mn-calcite, kutnahorite,...Zoned manganese carbonate crystals (core: high-Mn-calcite, rim: Ca-rich rhodochrosite) are considered to...die vor allem eine optische Differenzierung der Calcite erm6glichten. Ftir die r6ntgenographische Phasenanalyse...Durchlicht, gekreuzte Pol. b) AggregatMn-reicher Calcite, umgeben yon Htille Ca-reicher Rhodochrositein...untersctleiden sind: 1. Calcite mit bis zu etwa 5 Mol.-% MnCO3 (Mn-arme Calcite), 2. Dolomite mit bis zu |  | | Journal (article/letter/editorial) | | 2o5 Aragonite, determination of in mixtures with calcite and quartz, 48I Aratiatia, Taupo, New Zealand,...VANCE (E. R.), 605, manganese ores, 235 Bau mining district, Sarawak, Malaysia, anti721 monian idocrase, 894...), An antimonian idocrase from the Bau mining district, Sarawak, 894 BRICE (W. R.), see CHANG (L. L.... is a mixture of microlite and tantalite, 765 Calcite, determination of in mixtures with aragonite and...76; vanadian aluminian, Molteno meteorite, 89 Chvaletice, Czechoslovakia, pyrophanite, 312 CLARK (A. M |  | | Journal (article/letter/editorial) | | of Sciences of the Czech Republic, Na Slovance 2, CZ-182 21 Praha 8, Czech Republic *Corresponding author...Museum, Cirkusová 1740, CZ-193 00 Praha 9, Czech Republic Key-words: cronstedtite; 1:1 layer silicate;...example of non-MDO polytype (6T2 from Pohled, Czech Republic) was described in details including the structure...deposit) near Nižná Slaná, Rožňava County, Slovak Republic. The abandoned Manó siderite deposit is located...are composed mainly by siderite and ankerite. Calcite and quartz are less frequent. Other minerals like |  | | Journal (issue) | | Sulfosalt Environment: The Mineralogy of the Julcani District, P e r u ....................................215...FM contacted in early June, and in nearly every Region there Members, If you don’t speak up, your publication...found The melanophlogite from the occurrence at Chvaletice, in late 1971 at a locality named Fortullino...lussatite. of Sicily (Racalmuto, Agrigento, 1876), Chvaletice, Bo Lubor Zak, who studied this mineral, offers...samples from this locality con be applied for the Chvaletice mineral. firmed the cubic structure, space group |  | | Book (volume) | | reported from alluvial deposits of the centrat Aldan region, see pp. 11/2. Solid Salutions of Mn with Native...altered olivine-leucite basalt of the Koshmansai region, Kurama Range, Uzbekistan, an Mn-rich phase was...eruptive breccias near Volnovakha, eastern Asov Sea region, Ukraine. The steel gray silicides have a metallic...well as Malaya and 8ol'shaya Yukhta, centrat Aldan region, Eastern Siberia, Russia. Associated in the heavy...to the cubanite-talnakhite ores of the Noril'sk district, Eastern Siberia, Russia; it is lacking in the |  | | Journal (issue) | | the dolomite structure-type and was not merely a calcite type solid solution, with the formula (Ca,Mn,IvfcFe)...Kutina sent us a specimen of a carbonate from Chvaletice, Czechoslovakia, described by Zak (1949) that... It differs completely from the DTA curves of calcite and rhodochrosite. The indeces of refraction of...dolomite-type structures. The kutnahorite from Chvaletice analyzed by Zak (analysis 6 Table l) has the...Vester Silfberg, Dalecarlia, Sweden the "mangan-calcite" of Weibull, 1885. No. 4. Kutnahorite, Kutnahora |
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