 | | Book | | outside of Romania. Rudolf Duda (1944, Vojany, Slovakia) Head of the Department of Natural History, Eastern...Poland (Ewa Kos/.owska) Romania (Gheorghe Udubasa) Slovakia (Rudolf Duda) Ukraine (Orest Matkovs'ky) 31 31...(Ewa Kos/.owska). Romania (Gheorghe Udubasa), Slovakia (Rudolf Duda). Ukraine (Victor Kvasnytsya) 127...Czech Republic (Moravia) Hungary Poland Romania Slovakia Ukraine 397 397 399 409 412 419 425 References...Rudabánya. HUN: MSM = Middle Slovak Museum, Banská Bystrica, SLK; MU = University of Miskolc, Miskolc. |  | | Book | | ,rr 20mm, Banská Štiavnica, BB Kermezit, 20mm, Pezinok, AR Pseudomalachit, 20mm, Ľubietová-Podlipa, BB...Dubník-Libanka, JM ,• I strana 1: Chalkopyrit, 65 mm, Banská Štiavnica, PK strana 2: Kermezit, 75 mm, Pezinok...Dubník-Libanka, PK strana 4: Malachit, 5 mm, Ľubietová-Podlipa, DO strana 5: Tetraedrit, xx 10mm, Rožňava...Kalcit a sfalerit, 90mm, Banská Štiavnica, PŠ strana 24: Ametyst, xx 40mm, Banská Štiavnica, PŠ strana 25:...Russovi (Bratislava), Milanovi Okruhlicovi (Banská Bystrica) a Jozefovi Molnárovi (Košice), Bohuslavovi | | | Book | | .......................................... 52 Slovakia ( Rudo lf Ducfa) ...............................(Ewa Koszowska). Ro mania (Gheorghe Uduba~a), Slovakia (Rudolf Ducfa). Ukraine (Victor Kvasnytsya) Native...Rudabanya. HUN; MSM = Middle Slovak Museum, Banska Bystrica, SLK; MU= University of Miskolc. Miskolc. HUN:...wa especially rich in specimens from the Banal region and Gutiii Mts. (fu loppite was named in his honor)...detailed. unified mineralogical encyclopaedia of the region had been planned by the Commi!.sion on Mineralogy |  | | Book | | calcite Fracture Some minerals, such as quartz and opal, do not cleave in any particular direction, but...Cohesion Brittle minerals such as pyrite, quartz and opal, crumble into small fragment with a crackling sound...(Soap-Stone, Steatite) weathering product of serpentine opal, chalcedony, magnesite, chlorite SEPIOLITE Mgu...] . H,O (Silicate of Zinc, Galmei, Calamine) opal, phosphorite Nertschinsk, Transbaikal, USSR in...Italy HYALITE SiO, . nH,O (Glassy Opal) Valeé, Czechoslovakia Opal variety KASCHOLONG SiO, . nH,O Hittenberg | | | Book | | calcite Fracture Some minerals, such as quartz and opal, do not cleave in any particular direc tion, but...Cohesion Brittle minerals such as pyrite, quartz and opal, crumble into small fragment with a crackling sound...Carolina, USA weathering product of serpentine opal, chalcedony, magnesite, chlorite SEPIOLITE Mg i...calcite, limonite prehnite, smith sonite, chalcedony, opal, phosphorite HEMI MORPHITE Zn4 l(OH),Si:O;) ....deposited at hot springs HYALITE SiOj . nH.O (Glassy Opal) Valec, Czechoslovakia con choidal reniform, |  | | Journal (volume) | | of Szeged On the cover: Map of the Carpathian region with type localities of new mineral species, rocks...Mineralogical Society of Romania Geological Society of Slovakia, Mineralogical-Geochemical Branch Eötvös Loránd...(Romania) (Romania) (Austria) (Croatia) (Hungary) (Slovakia) (Greece) (Hungary) (USA) (Hungary) (Egypt) (Austria)...(Hungary) (Hungary) (Hungary) (Croatia) (Hungary) (Slovakia) (Serbia) (South Africa) (Austria) (France) (Hungary)...(Hungary) (Hungary) (Croatia) (UK) (Slovakia) (USA) (Austria) (Romania) (Slovakia) (China) (Germany) (Poland) |  | | Book | | the stratified structure of feidspars. Precious opal exhibits a brilliant play of colours called opalescence...thick plates of rock crystal — a, smoky quartz — b, opal — c, and jasper —d Transparent minerals — when...displaying numerous microscopic inclusions, such as opal and cordierite. Pearly lustre — typical of transparent...may be distinguished: — conchoidal (eg quartz or opal); — uneven (eg arsenopyrite or pyrite); — hackly...atomic structure are rare and are called amorphous (opal). Apart from their chemistry, the crystal form is | | | Book | | the stratified structure of feldspars. Precious opal exhibits a brilliant play of colours called opalescence...thick plates of rock crystal - a, smoky quartz - b, opal - c, and jasper - d .. ffffJ.t.i1!!}~{{tt1tWiiP{:...displaying numerous microscopic inclusions, such as opal and cordierite. Pearly lustre - typical of transparent...may be distinguished: - conchoidal (eg quartz or opal); - uneven (eg arsenopyrite or pyrite); - hackly...atomic structure are rare and are called amorphous (opal). Apart from their chemistry, the crystal form is |
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