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New mineral species for Hungary in 1997
Sulphides
Ikunolite Bi4(S, Se)3 Locality: dump of Alsó-Rózsa adit, Nagybörzsöny, Börzsöny Mountains. Description: foliated masses (up to 0.5-1.5 cm in diameter) together with other Bi-minerals.
Oxides
Birnessite Na4Mn14O27 • 9 H2O Locality: Esztramos Hill, Tornaszentandrás. Description: black to brownish-black globular aggregates (up to 1 mm) and crusts in limestone, together with other Mn-oxides and carbonate-hydroxylapatite.
Carbonates
Alumohydrocalcite CaAl2(CO3)2(OH)4 • 3 H2O Locality: Bicske-Csordakút coal deposit, Gerecse Mountains. Description: white globular aggregates (up to 2 mm) in the coal deposit, together with gypsum and aluminite.
Sulphates
Carbonate-cyanotrichite Cu4Al2(CO3, SO4)(OH)12 • 2 H2O Locality: Adolf mine, Rudabánya. Description: pale blue sprays (up to 0.5-1 mm in diameter) very rarely found in limonite.
Paracoquimbite Fe2(SO4)3 • 9 H2O Locality: Karolina open-pit, near Pécs, Mecsek Mountains. Description: pale brown crusts with minute crystals in a pyrite-rich coal deposit, in association with coquimbite and copiapite.
Wulfenite PbMoO4 Locality: Szűzvár Mill, Pátka, Velence Mountains. Description: white to yellowish white tabular crystals (up to 1-3 cm) and rarely as minute bipyramidal crystals, in association with cerussite, pyromorphite, and bindheimite.
Phosphates and arsenates
Barium-pharmacosiderite BaFe8(AsO4)6(OH)8 • 14 H2O Locality: Mád, Tokaj Mountains. Description: rare, as pale green to yellowish brown cubic crystals (up to 0.5 mm) were found in limnoquartzite, together with alunite and scorodite.
Cornubite Cu5(AsO4)2(OH)4 Locality: Villanytető mine, Rudabánya. Description: compact, pale green masses and earthy crusts, together with azurite and malachite
Plumbogummite PbAl3(PO4)2(OH)5 • H2O Locality: Szűzvár Mill, Pátka, Velence Mountains. Description: white to grayish-white, well-formed microscopic rhombohedra (up to 0.2 mm) and crusts in cavities of quartz-fluorite veinlets, together with pyromorphite, malachite, and cerussite.
Volborthite Cu3V2O7(OH)2 • 2 H2O Locality: Rágyincs Valley, Dédestapolcsány, Uppony Mountains. Description: pale green to green-yellow films, crusts, sprays and globular aggregates (0.5-2 mm) in Paleozoic shales, together with secondary phosphates.
Silicates
Fluorapophyllite KCa4Si8O20(F, OH) • 8 H2O Locality: Recsk, Mátra Mountains; Uzsa, Balaton Highland; Egerbakta, Bükk Mountains. Description: according to electron microprobe analyses on some Hungarian apophyllites, the above localities have fluorapophyllite.
Tacharanite Ca12Al2Si18O51 • 18 H2O Locality: Uzsa, Balaton Highland. Description: white, cotton-wool, soft aggregates in cavities of basalt, together with phillipsite.
Zeophyllite Ca4Si3O8(OH, F)4 • 2 H2O Locality: Uzsa, Balaton Highland. Description: rare, white tabular aggregates in cavities of basalt, in close association with apophyllite.
Sándor Szakáll
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