 | | Report (issue) | | Melanophlogite SiO2 ² n(C; H; O; S) ° c 2001 Mineral Data Publishing, ver sion 1.2 Crystal Data: Tetragonal...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...near Quercianella, Tuscany. In the Chvaletice deposit, Czech Republic. In the USA, at Mt. Hamilton, Santa |  | | Journal (article/letter/editorial) | | Czechoslouakia Assrnecr Melanophlogite from the second occurrence at Chvaletice, Bohemia, forms colorless...Sicilian melanophlogite. The clathrate structure, suggested by Kamb (f965) for melanophlogite, can be...be also applied for the Chvaletice mineral. Compounds of the minor elements, indicated by the formula,...superstructure. INrnooucrroN The existenceof melanophlogite,a cubic polymorph of silica, was confirmedonly...X-ray investigations revealedits identity with melanophlogite. The mineral 'assemblagecontaining melanophlo1ite |  | 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) | | Volume 98, pages 1998–2006, 2013 The origin of melanophlogite, a clathrate mineral, in natrocarbonatite lava...report new observations of a clathrate mineral, melanophlogite [46SiO2⋅6(N2,CO2)⋅2(CH4,N2)], as part of a...combeite-bearing carbonatite lithologies. Specifically, melanophlogite is a rare polymorph of SiO2 with guest molecules...carbonatitic-CO2-rich environment. Keywords: Oldoinyo Lengai, melanophlogite, natrocarbonatite, combeite Introduction Oldoinyo...this paper, we report the first occurrence of melanophlogite pseudomorphs after combeite, identified by |  | | Journal (issue) | | 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...northeastern part of the state, cutting through a region rich in deposits of precious stones. According |  | | Journal (article/letter/editorial) | | Ferrierite-Mg and Ba-rich heulandite from Chvaletice near Přelouč (Czech Republic) Petr Pauliš1,2)*, Luboš Vrtiška2)...pyrite-manganese deposit Chvaletice near Přelouč, central Bohemia, Czech Republic. Ferrierite-Mg forms brown...parameters, chemical composition, Chvaletice near Přelouč, Czech Republic Obdrženo 17. 10. 2022; přijato...zčásti vytěžené ložisko pyritu a manganových rud Chvaletice se nachází východně od stejnojmenné obce, cca...ložisko v ČR. Z mineralogického hlediska patřily Chvaletice k významným nalezištím České republiky, odkud |  | | Journal (article/letter/editorial) | | agasAue., San Mart'[n, Caklornia 950[6 Assrnacr Melanophlogite, the rare polymorph of silica, occurs as sharp...agreement with that of the Sicilian material. Melanophlogite is colorless with an adamantine luster, 11...cavities of the clathrate structure. INrnolucrrom Melanophlogite, the rare polymorph of silica, has recently...and stabilization. The classic occurrence of melanophlogite is in the sulfur deposits of Racalmuto and...FROM CALIFORN IA 1495 rhodochrositehorizon at Chvaletice,East Bohemia, associatedwith cristobalite,dolomite |  | | Journal (article/letter/editorial) | | on clathrasils. 111.* Crystal structure of melanophlogite, a natural clathrate compound of silica** H... D-2300 KieI, Federal Republic of Germany Received: November Melanophlogite 18, 1982 / Silica / Clathrate...structure Abstract. The high temperature form of melanophlogite, 46 Si02. 6M14 .2M12(M12 =CH4, N2; M14=C02...the known silica polymorphs. ~ Introduction Melanophlogite is a very rare mineral reported as a silica...(1965) concluded from X-ray powder data that melanophlogite is isostructural with the cubic gas hydrates |  | Jirásek, Jakub, Matýsek, Dalibor, Minaříková, Aneta (2017) Oxidické minerály manganu: vymezení, krystalové struktury, identifikace a výskyt na území České republiky [Oxide manganese minerals: definition, crystal structures, identification, and occurence in the territory of the Czech Republic]. Bulletin Mineralogie Petrologie, 25 (1) 55-68 | Journal (article/letter/editorial) | | identification, and occurence in the territory of the Czech Republic Jakub Jirásek1)*, Dalibor Matýsek2) a Aneta...minerals before 1960 in the territory of the Czech Republic. Critical review of both published and unpublished...that manganese oxide minerals are abundant at the Czech territory, but vast majority was described under... Key words: manganese, oxides, mineralogy, Czech Republic Obdrženo: 23. 2. 2017; přijato 31. 7. 2017...identifikoval Dadák (1975) na muzejním vzorku z lokality Chvaletice, kde minerál tvoří čokoládově hnědé zemité masy |  | | Journal (issue) | | the Friends of Mineralogy feature articles Melanophlogite, A New and Interesting F in d 207 by Sergio...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...—Torino, Italy Melanophlogite, a cubic form of silica, has been found The melanophlogite from the occurrence...occurrence at Chvaletice, in late 1971 at a locality named Fortullino, 2 km south of Bohemia, was found during |  | | Journal (article/letter/editorial) | | 1364–1368, 2003 Molecules in the SiO2-clathrate melanophlogite: A single-crystal Raman study BORIS A. KOLESOV1...spectroscopic investigation of the SiO2-clathrate melanophlogite was undertaken to investigate the enclathrated...cordierite are compared to the situation in melanophlogite. INTRODUCTION The clathrate group of phases...enclathrate different types of molecules. The mineral melanophlogite is the only known natural SiO2 clathrate. It...conditions needed for formation are unclear. Melanophlogite has a microporous framework structure built |  | | Journal (article/letter/editorial) | | Raman spectroscopic study of CO2–containing melanophlogite Masami KANZAKI Institute for Planetary Materials...Misasa, Tottori 682–0193, Japan CO2–containing melanophlogite from Fortunillo, Italy was studied using a...spectrometer with the ability to measure the low–frequency region. A very intense and broad feature was found below...heat treatment experiments, nearly CO2– free melanophlogite was obtained at 950 °C for 6 h. For shorter...translational modes of CO2 molecules in the cages of melanophlogite would be responsible for the low–frequency |  | | Journal (article/letter/editorial) | | isotopic compositions of the silica clathrate melanophlogite Kristin E. Lazzeri1,2, Gray E. Bebout1,*, and...compositions of N and C were obtained for five melanophlogite samples, ideal formula 46SiO2·6(CO2,N2)·2(CH4...localities in Italy and California, U.S.A. The melanophlogite crystals enclathrate 132 to 1674 ppm N presumed...probable varying proportions of CO2 and CH4 in the melanophlogite cages. Although the lower δ15N values for the...at temperatures of near 100 °C estimated for melanophlogite crystallization. The lower δ13C values (as |  | Tribaudino, M., Artoni, A., Mavris, C., Bersani, D., Lottici, P. P., Belletti, D. (2008) Single-crystal X-ray and Raman investigation on melanophlogite from Varano Marchesi (Parma, Italy) American Mineralogist, 93 (1) 88-94 doi:10.2138/am.2008.2528 | Journal (article/letter/editorial) | | Single-crystal X-ray and Raman investigation on melanophlogite from Varano Marchesi (Parma, Italy) Mario Tribaudino...and of a Raman spectroscopy investigation on melanophlogite, a clathrate structure of SiO2, are reported...in a siliceous marl from a chaotic complex. Melanophlogite is invariably separated from the host rock...cages of the structure. In the Varano Marchesi melanophlogite, only CH4 is present in the clathrate structure...structure. During a comparative investigation of melanophlogite from different geological setting (Racalmuto |  | | Journal (article/letter/editorial) | | 1506–1512, 2001 The crystal structure of low melanophlogite TAKESHI NAKAGAWA,1,* KUNIAKI KIHARA,1 AND KAZUO...structure of the low temperature form of natural melanophlogite, 46SiO2 ⋅ 6M14 ⋅ 2M12 (M14 = N2, CO2; M12 =...1) superstructure of high-temperature cubic melanophlogite and includes four formula units. The structure...displacements of the O atoms. INTRODUCTION Melanophlogite is a very rare mineral, known from only five...Gerke and Gies 1984). The large void spaces in melanophlogite are represented by pentagondodecahedral (denoted |  | | Book | | extraordinary influence to several generations of Czech and Slovak mineralogists and mineral collectors...long were also found in Pribrarn and Jachymov, Czech Republic. Dendritic aggregates from Batopilas, Chihuahua...mm (4 in) was made in Krepice near Vodnany, Czech Republic. Application: practically the only source of...California, Terlingua, Texas, USA; Dedova hora, Czech Republic and Rudnany, Slovakia as droplets and liquid...Sweden; Les Chalanches, France and Brezina, Czech Republic. Lead Pb CUBIC e e M oschellandsbergite |  | | Book | | extraordinary influence to several generations of Czech and Slovak mineralogists and mineral collectors...long were also found in Pribram and Jachymov, Czech Republic. Dendritic aggregates from Batopilas, Chihuahua...mm (4 in) was made in Krepice near Vodnany, Czech Republic. Application: practically the only source of...California, Terlingua, Texas, USA; Dedova hora. Czech Republic and Rudnany, Slovakia as droplets and liquid...Sweden; Les Chalanches. France and Brezina. Czech Republic. Lead Pb cubic • • Moschellandsbergite |  | | Book | | transmission IR spectra of minerals in the far IR region. The PE discs are prepared at rather high temperatures...root-mean-square approximation of the spectrum in the region free of strong absorption. A review of the most...analysis for the IR spectrum of gmelinite-K in the region of Si–O-stretching vibrations carried out with...analysis for the IR spectrum of gmelinite-K in the region of Si–O-stretching vibrations carried out with...analysis for the IR spectrum of gmelinite-K in the region of Si–O-stretching vibrations carried out with |  | | Book (volume) | | minerals from the National Museum in Prague, Czech Republic; the number of mineral species presented in...cm1 is called the fingerprint region. Usually IR spectrum in this region contains very complicated series...overlapping bands. The importance of the fingerprint region is that each mineral species produces a different...500 to 800 cm1 can be considered as “fingerprint region” sensitive to the composition and the topological...see Fig. 1.9), but generally IR spectrum in this region is characteristic of all these minerals. In IR |  | | Report (issue) | | 9b, no. 20, 172796 (1981). Analysis from Krupka, Czech., a 11.631, b 3.979, c ll.lb3A. AIKINITE. Zak and... 138-143 (1980). Probe analysis from Noril'sk district. ALTAITE. Genkin et al., Sul'fidnye Medno-nikelevye...Probe analyses (10) from vaugnerites, Finisterre region, Spain. AMPHIBOLE. Girardeau and Mevel, Earth Planet...(1981). Analyses (19) from carbonatite complex, Azov region. AMPHIBOLE. Godard et al., Contrib. Mineral. Petrol...(1982). Mossbauer data on alkalic amphiboles, Azov region. AMPHIBOLE. Ivanitskii et al., (Mineral. Zh. 2(4) |  | | Book (edition) | | andreprodu<..1ion by StudioVVG, Prague Printedin Czech Republicby Finidr.u.o .. Ce,ky Te~in 14/02/03/0...Publishing House in Prague and which recei\ ed the Czech Literary Award for best book in the natural sciencesfor...and other Larin Ianguages. and in the- Polish. Czech, Greek, Hungarian, Finnish. and Swahili Ianguages...administrative units are expressed in abbreviations: Rep. (republic), prov. (province), co. (county), munic. (municipio)...dept. (departement), dept. (departamento), dist. (district). Less common terms are not abbreviated, e.g. |  | Gaines, Richard V., Skinner, H. Catherine W., Foord, Eugene E., Mason, Brian, Rosenzweig, Abraham, King, Vandall T. (1997) Dana's New Mineralogy (8th ed.) Wiley-Interscience. p.1872 | Book (edition) | | Dept. of Mineralogy, National Museum, Prague, Czech Republic. Seppo Lahti: Geological Survey of Finland...Co., Bonanza mine, Trinity Co., Michigan Bluff district, Placer Co., in AK, placers at Fairbanks, Iditarod...and quartz veins at Juneau. In Canada, Noranda district, PQ; Porcupine, Kirkland Lake, and Larder Lake...deposits, ON; Atlin and Caribou, BC; and Klondike district, YT. In Mexico, Altar and Magdalena, SON; Parral...localities, AZ; Calico district, San Bernadino Co., Cerro Gordo(*), Inyo Co., Bodie district, Mono Co., and other |  | | Book | | Rare-earth minerals in the Alpine ar,d Subalpine region [Switzerland,Austria and Iti:Jy](by C. M. Gramaccioli)...Cassedanne) 8:382-387 Amethyst from the Thunder Bay region, Ontario (by D. G. Ellion) 13:67-70 New data on...Rybicki) 7:72-77 Chalcanthite from the Helvetia district, Arizona (by G. Robinson) 9:252 Cuprite [from...Arizona (by W. A. Thompson) 11:248-250 The Tombstone district, Cochise County, Arizona (by S. A. Williams) 11:251-257... A. Scovil) 21:99-100 Arizona's Silver mining district (by P. Bancroft & G. Bricker) 21:151-168 The Fat |  | | Book | | (1989): Mineral. J. 14, 279. Flores mine, Huanuni District, Oruru, Bolivia. Agardite-(La) (La,Ca)Cu¢(AsO4)3(OH)6°3H20...discovery locality. Jachymov, Zapadoéesky, Bohemia, Czech Republic. Named after Andrea Alietti (b. 1923), mineralogist...discovery locality, at the Alekseev mine, Sutamskii region, Stanovoi Range, Russia. Lipovetskil, A.G. et al...engineer known for his work in the Limoges Altisite district. Chanteloube, Haute-Vienne, France. Na3k6Ti2[AlSigO26]Cl;...plus Gk. hydor, water, plus calcite. Khakassy District, Siberia, Russia. Bilibin, G. (1926): Soc. Russe |  | | Report (issue) | | ) Microprobe analyses (11) from gneiss, Klatov region, Czechoslovakia AMPHIBOLE. Foden, J. Petrol....(Russian) Analyses (28) from alkalic rock, Dniester region, hastingsite, magnesiotaramite, katophorite, AMPHIBOLE...(Russian) Analyses (5) from carbonatite, Yenisen region AMPHIBOLE. Larsons, Econ. Geol. 79, 1880-1896 (198*4)...Microprobe analyses (4) from camptonite sills, Oslo region, kaersutite AMPHIBOLE. Scott, Greenland Geosci...and Rykl, (Cas. Mineral. Geol. 29, 91-98) (1984) (Czech.), Chem.. Abstr. 101, no. 4, 25641 (1984). Hydrothermal |  | | Book (edition) | | within the city limits, but also to the surrounding region. In this edition of the Thesaurus, names of cities...newly added are followed by the word “region”; e.g., Stripa region. Names of materials, when used as GeoRef...Krasnoyarsk in Khakass Autonomous Oblast. BT Russian Republic USSR SA SA SA BT N460000N503000 W0735000W0850000... isochrons isotopes SA SA Abruzzi Autonomous region on the Adriatic Sea. CO N414000N425500 E0144800E0130000...absarokite Abkhazia Abkhaz Autonomous Soviet Socialist Republic. Also search Abkhasia. CO N422000N432000 E£0421500E0400000 |
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