 | | Journal (article/letter/editorial) | | Morphological SEM Study of Wurtzite-Sphalerite Relationships in Specimens from Zvezdel, Bulgaria J. Min~eva-Stefanova...Institute, Bulgarian Academy of Sciences, Sofia, Bulgaria With 2 Figures Dedicated to Prof. Dr. Josef Zemann...used to study columnar ZnS aggregates from the Zvezdel lead-zinc deposit in the Eastern Rhodope Mts. They...SEM Studien yon Wurtzit-Sphalerit Aggregaten aus Zvezdel, Bulgarien SEM Untersuchungen wurden an aus der...den Ost-Rhodopen gelegenen Pb-Zn Lagerst~itte Zvezdel stammenden stengeligen ZnS Aggregaten durchgefiihrt |  | NITTA, Eriko, KIMATA, Mitsuyoshi, HOSHINO, Mihoko, ECHIGO, Takuya, HAMASAKI, Satoshi, NISHIDA, Norimasa, SHIMIZU, Masahiro, AKASAKA, Takeshi (2008) Crystal chemistry of ZnS minerals formed as high-temperature volcanic sublimates: matraite identical with sphalerite. Journal of Mineralogical and Petrological Sciences, 103 (2) 145-151 doi:10.2465/jmps.071022f | Journal (article/letter/editorial) | | has a cubic close packed (3C ZnS) structure, and wurtzite, which has a hexagonal close packed (2H ZnS) structure...reported to be trimorphous with sphalerite and wurtzite (Koch, 1958). 3R ZnS was first prepared by Buck...sphalerite from - - - the lead zinc deposits in Zvezdel, Bulgaria, were distinguished by their morphologies...randomly faulted structure that is more similar to wurtzite than to the sphalerite polytype based on electron...2006; Nickel and Nichols, 2007). Sphalerite and wurtzite occur as high temperature - - - - - doi:10 |  | | Journal (article/letter/editorial) | | Madjarovo Pb-Zn Ore District, Eastern Rhodope, Bulgaria M. Tarkian 1 and V. Breskovska 2 1Institute of...Mineralogy and Crystallography, Sofia University, Bulgaria With 5 Figures Received September 22, 1988; accepted...is described from the Madjarovo ore district, Bulgaria. The mineral is closely associated with sphalerite...- Z n ore deposits in the areas of Madjarovo, Zvezdel-Pchelojad, Spahievo, Lozen, Popsko etc. Judging...main hypogene minerals are: galena, sphalerite, wurtzite, chalcopyrite, pyrite, gold, electrum and hematite |  | | Journal (article/letter/editorial) | | interaction is required to favor sphalerite over the wurtzite polymorph of ZnS. In addition, the polarizability...the structure transforms to the hexagonal form, wurtzite (Wright & Gale 2004). In this study, we are concerned...natural ZnS from Zvezdel, Bulgaria, that are interpreted as being different sphalerite–wurtzite polytypes....present in the more wurtzite-like polytypes. Given that pure CdS has the structure of wurtzite rather than a...morphological SEM study of wurtzite–sphalerite relationships in specimens from Zvezdel, Bulgaria. Mineral. Petrol |  | Mozgova, Nadezhda N., Organova, Natalija I., Borodaev, Yuriy S., Trubkin, Nikolay V., Sundberg, Margareta (2004) Stacking disorder of zinc sulfide crystals from Black Smoker Chimneys (Manus Back-Arc basin, Papua-New Guinea region) New Data on Minerals, 39. 91-98 | Journal (article/letter/editorial) | | occurs as cubic sphalerite (3C) and hexagonal wurtzite (2H)* though among synthetic products more than...is the main mineral of underwater mounds, but wurtzite, which is not common in continental deposits,...It is necessary to emphasize that in most cases wurtzite, because of very fine segregations, is diagnosed...rhombic (Vaughan, Craig, 1978) or as trigonal wurtzite (Minerals, 1960) 92 New Data on Minerals. M...direction extends. Similar morphology of hexagonal wurtzite crystals was described in earlier publications |  | Cook, Nigel J., Ciobanu, Cristiana L., Pring, Allan, Skinner, William, Shimizu, Masaaki, Danyushevsky, Leonid, Saini-Eidukat, Bernhardt, Melcher, Frank (2009) Trace and minor elements in sphalerite: A LA-ICPMS study. Geochimica et Cosmochimica Acta, 73 (16) 4761-4791 doi:10.1016/j.gca.2009.05.045 | Journal (article/letter/editorial) | | with tetrahedrally-coordinated Zn and S ions. Wurtzite and matraite are hexagonal and trigonal ZnS polymorphs...respectively. Relationships between sphalerite and wurtzite may be complex, with the two minerals occasionally...matraite, much rarer than either sphalerite or wurtzite, may not be a distinct mineral, but rather (1...Polhemusite (Zn,Hg)S P4/n 4/m Wurtzite group (Hexagonal, P63mc) Wurtzite (Zn,Fe)S P63mc Greenockite CdS...crystals adopt the wurtzite structure or contain separate domains of sphalerite and wurtzite, with solid solution |  | | Journal (article/letter/editorial) | | Mine tailings Bolivia Potosí Zn Cd Sphalerite Wurtzite Column leaching a b s t r a c t The weathering...attributed to preferential weathering of Cd-rich wurtzite [Zn,Fe)S] and sequestration of Zn in preference...low concentrations and to attempt to delineate wurtzite and sphalerite, tailings fractionation was carried...the tailings. We chose sphalerite rather than wurtzite to model Zn2+ inputs to the fluids, as we were...proportion of sphalerite to be greater than that of wurtzite in the tailings. A small amount of aqueous Cd2+ |  | | Journal (article/letter/editorial) | | Former Yugoslavian Republic of Macedonia (FYROM), Bulgaria and Greece (e.g., the DaciaSerbo-Macedonian Mega-unit...separating the Rhodopes from the Srednogorie in Bulgaria, and to the south by the Vardar Suture Zone. The...Ocean. In the central and eastern Rhodope area of Bulgaria and Greece (e.g., the Northern Rhodope Domain...Barutin–Elatia–Skaloti, Sithonia, and Ierissos plutons in Bulgaria and Greece (Fig. 3). Adakite-like magmatism was...postcollisional magmatism in the Rhodopes (Greece and Bulgaria), and northwestern Turkey (Biga Peninsula and |  | Voudouris, P., Mavrogonatos, C., Spry, P.G., Baker, T., Melfos, V., Klemd, R., Haase, K., Repstock, A., Djiba, A., Bismayer, U., Tarantola, A., Scheffer, C., Moritz, R., Kouzmanov, K., Alfieris, D., Papavassiliou, K., Schaarschmidt, A., Galanopoulos, E., Galanos, E., Kołodziejczyk, J., Stergiou, C., Melfou, M. (2019) Porphyry and epithermal deposits in Greece: An overview, new discoveries, and mineralogical constraints on their genesis. Ore Geology Reviews, 107. 654-691 doi:10.1016/j.oregeorev.2019.03.019 | Journal (article/letter/editorial) | | 2015). Within the western Tethyan metallogenetic province, the Oligocene- Miocene- and PliocenePleistocene...Greece (and its extension in western Turkey and Bulgaria and Serbia), is one of the richest mineral belts...belts (Heinrich and Neubauer, 2002). The Aegean province comprises precious- and base-metal deposits/prospects...the Paleogene-Neogene in the Rhodope massif in Bulgaria and northeastern Greece, to the present in the...The Oligocene magmatism in northern Greece and Bulgaria shows a decreasing influence of crustal contamination |  | | Book | | Sphalerite Structure 68 Axial Relationships 72 Wurtzite, a Polymorph of Sphalerite 74 The Fluorite Structure...cell to designate only the crystal system. 4.6 WURTZITE, A POLYMORPH OF SPHALERITE Before we take a look...us look at the polymorph of sphalerite, called wurtzite, which has AB closest packing of the sulfide ions...voids. 4.6 Wurtzite, A Polymorph of Sphalerite 75 Figure 46 A portion of the wurtzite structure. ... The symmetry (crystal system) of wurtzite becomes more obvious when four unit cells are examined, as | | | Book | | Sphalerite Structure 68 Axial Relationships 72 Wurtzite, a Polymorph of Sphalerite 74 The Fluorite Structure...cell to designate only the crystal system. 4.6 WURTZITE, A POLYMORPH OF SPHALERITE Before we take a look...us look at the polymorph of sphalerite, called wurtzite, which has AB closest packing of the sulfide ions...voids. 4.6 Wurtzite, A Polymorph of Sphalerite 75 Figure 46 A portion of the wurtzite structure. ... The symmetry (crystal system) of wurtzite becomes more obvious when four unit cells are examined, as |  | | Journal (volume) | | occurs as cubic sphalerite (3C) and hexagonal wurtzite (2H)* though among synthetic products more than...is the main mineral of underwater mounds, but wurtzite, which is not common in continental deposits,...It is necessary to emphasize that in most cases wurtzite, because of very fine segregations, is diagnosed...rhombic (Vaughan, Craig, 1978) or as trigonal wurtzite (Minerals, 1960) 92 New Data on Minerals. M...direction extends. Similar morphology of hexagonal wurtzite crystals was described in earlier publications |  | | Book (volume) | | Ostrosi Romania by V. Ianovici and M. Borcos Bulgaria by B. Bogdanov Greece by G. Marinos Cyprus by..._ Belgium; Southeast Europe includes Albania, Bulgaria, Cyprus, Greece, Hungary, Romania and Yugoslavia;...metallogenic prounce The Dinaric metallogenic province The western Macedonian district Iron ore deposits...rock ; ‘ ; : Serbo—Macedonian _—_metallogenic The province The pre-Devonian merallGeeuie epoch The Hercynian...Mineral deposits Internal zones External zones Bulgaria by B. Bogdanov Introduction : Structural netallogenic |  | | Journal (issue) | | as well have applied to other lead mines in the province (e.g. the Hochobir mines, the Mezica mines, or...86°N, 14.27°E), Bergslagen ore district in the province of Varmland, south central Sweden. Flink’s numbers...find of wurtzite at “Huanzala,” Peru. Brightly metallic black, tightly intergrown platy wurtzite crystals...about 1 cm, cover a 1 2 -cm matrix of massive wurtzite/pyrite, and there is white barite in a few 1 -cm...-cm bunches of thin crystals over the wurtzite. Only four of these were extracted, Jaroslav says, from |  | | Book | | Lustrous black. Wilagedera prospect. North Western Province, Sri Lanka. H= 3-4, 0^= 3.94, Dg= 3.97, VIIIE...Lustrous black. Wilagedera prospect. North Western Province, Sri Lanka. H= 3-4, Djjj= 3.94, D(.= 4.22, VIIIE...Ardaite, (Pb,Fe)ioSb6Si7Cl4, Madyarovo deposit, Bulgaria. 0 Mon. Metallic greenish-gray in reflected light...Sedmochislenitsi mine, Vratsa district, Balkan Peninsula, Bulgaria. H= 2.5, Djj4= 6.32, D(.= 6.41, HA 08. Atanassov...Cu)3Bi44Sig, @ Orth. Metallic grey. Rhodope Mts., Bulgaria. H= 2.5, Djn= 6.92, Dc= 7.23, IID 08. Rostov, |  | | Book | | 2013). MALAWI Mount Malosa, Chilwa alkaline province, Zomba district. "Illite" is the name of a series...Administered Tribal Areas and North West Frontier Province. Ilmenite crystal clusters to 12 cm across have...Mountain, Warsak district, North West Frontier Province. Surface diggings worked by local people on Zagi...attributions-the Xinig mine, Quinghai Province, and the Nan Dang mine, Guangxi Province-and those seen at Tucson were...II mine, Kalahari field, Northern Cape [Cape] Province. Although not quite equaling the inesite specimens |  | | Book | | of melanophlogite from Rio Fortullino, Lovorno province, Tuscany, Italy contains a strong band at 2330-2336...guano deposit on the Mt. Pabellón de Pica, Iquique Province, Tarapacá Region, Chile (Bojar et al. 2010). Now...borax deposit, Salar del Hombre Muerto, Salta province, Argentina (type locality). Description: Colourless...Locality: Iquiqui, about 100 km from Zapiga, Tarapacá province, Chile (type locality). Description: Yellow thin...Locality: Juhongtu boron deposit, Qilian Mts., Qinghai province, China (type locality). Description: Massive aggregates |  | | Book (edition) | | Arizona; and at deposits in Mexico, Canada, France, Bulgaria, Czechoslovakia, and elsewhere. SELECTED REFERENCE:...in Miocene clay at Bellaver de Cerdena, Gerona Province, Spain; in a bituminous clay rock at Messel, Hesse...Wilagedera iron ore prospect in the Northwestern Province of Sri Lanka. SELECTED REFERENCES: Pattiaratchi...places in Germany; in the Sierra Cabrera, Almeria Province, Spain; Bou-Azzer district, Morocco; as fine crystals...Chrysotile-free antigorite occurs in Val Antigorio, Novara Province, Piedmont region, Italy. SELECTED REFERENCE: Deer | | | Book (edition) | | Arizona; and at deposits in Mexico, Canada, France, Bulgaria, Czechoslovakia, and elsewhere. SELECTED REFERENCE:...Wilagedera iron ore prospect in the Northwestern Province of Sri Lanka. SELECTED REFERENCES: Pattiaratchi...in Miocene clay at Bellaver de Cerdena, Gerona Province, Spain; in a bituminous clay rock at Messel, Hesse...places in Germany; in the Sierra Cabrera, Almeria Province, Spain; Bou-Azzer district, Morocco; as fine crystals...Chrysotile-free antigorite occurs in Val Antigorio, Novara Province, Piedmont region, ltaly. SELECTED REFERENCE: Deer |  | | Book | | Figure 45. Pyromorphite from Zvezdel-Ptcheloyad, Kurdzhali, Bulgaria. Subject: 71 x 90 mm. Dihexagonal...packed in a hexagonal closest packing of spheres. Wurtzite is a relatively rare mineral with physical properties...sphalerite CdS, is a rare mineral related to wurtzite. 101 MINERAL DESCRIPTIONS Occurrence. Sphalerite... USA. Field of view: 40 x 60 mm. Figure 141. Wurtzite from Pribram, Bohemia, Czech Republic. Subject:...well-developed USA, and as excep- crystals from the Province, China. Use. Cinnabar is the principal ore of |  | | Book | | surrounding monzonitic to granodioritic intrusions in Bulgaria in the order (with increasing temperature) mordenite-quartz...volcanic rocks in the eastern Rhodope Mountains in Bulgaria in the order (with increasing temperature) qu...Minas Gerais and in Sao Paulo (Hintze, 1897). BULGARIA Analcime is found in cavities in basalt at Dealu...rhodrochrosite, astrophyllite, polylithionite, wurtzite, and ancylite (Chao et al., 1967; Horvath and...northeastern Brazil (Rao and Cunha e Silva, 1963). BULGARIA White, twinned chabazite variety phacolite crystals | | | Book | | surrounding monzonitic to granodioritic intrusions in Bulgaria in the order (with increasing temperature) mordenite-quartz...volcanic rocks in the eastern Rhodope Mountains in Bulgaria in the order (with increasing temperature) qu...Minas Gerais and in Sao Paulo (Hintze, 1897). BULGARIA Analcime is found in cavities in basalt at Dealu...rhodrochrosite, astrophyllite, polylithionite, wurtzite, and ancylite (Chao et al., 1967; Horvath and...northeastern Brazil (Rao and Cunha e Silva, 1963). BULGARIA White, twinned chabazite variety phacolite crystals |  | | Book | | from a lapis-lazuli mine, Sar-e-Sang, Badakshan province, Afghanistan. The powder diagram is near that...from the Wilagedera iron ore body, North-Western Province, Ceylon is related to the brittle micas, but contains...the locality, [Benguet mine], Antamok, Mountain Province, Philippine Islands. [M.A., 4, 250.] 12th List...2H20, as bluish-green orthorhombic crystals from province Antofagasta, Chile. Named from the locality. [M...steel-grey mineral from the Sedmochislenitsi mine, Bulgaria, with tennantite, bornite, chalcopyrite, etc. |  | 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) | | British Columbia NF Labrador (part of Newfoundland Province) MB Manitoba NB New Brunswick NF Newfoundland...Landsberg, near Obermoschel, Germany; Kremikovei, Bulgaria. BM NJMA 117:1(1972), AM 58:347(1973), R:338,...Republic; Sedmochislenitsi mine, Vratsa district, Bulgaria; Tort Kudak deposit, Kazakhstan; Sado mine, Niigata...Messina, Transvaal, and Nababiep West mine, Cape Province, South Africa. Uses: An important ore of copper...Italy; Trepca, Serbia; Madan, Rhodope Mts., Q, Bulgaria; Dalnegorsk, eastern Siberia, Russia; Tsumeb, |
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