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dentotal.hu

New mineral species for Hungary in 1996

 

Elements

 

Arsenic As

Locality: on a dump of Alsó-Rózsa adit, Nagybörzsöny, Börzsöny Mts.

Description: rare, black films or thin coatings on bismuth aggregates; or as microscopic inclusions in bismuth.

 

Sulphides

 

Altaite – PbTe, coloradoite – HgTe, colusite – Cu26V2(As, Sn, Sb)6S32, kuramite – Cu3SnS4, mawsonite – Cu6Fe2SnS8, melonite – NiTe2, petzite – Ag3AuTe2, stannoidite – Cu8(Fe, Zn)3Sn2S12 and sylvanite – (Au, Ag)2Te4.

Locality: Lahóca Hill, Recsk, Mátra Mountains.

Description: microscopic minerals in massive enargite-luzonite ores.

 

Halides

 

Bischofite MgCl2 6 H2O

Locality: -700 m level of Recsk ore mine, Mátra Mountains.

Description: fine grained yellowish aggregates or crusts have been detected as recent precipitations in association with other halides and sulphates

 

Eriochalcite CuCl2 2 H2O

Locality: -700 m level of Recsk ore mine, Mátra Mountains.

Description: minute crystals (less than 1 mm) were detected as recent precipitations together with other halides and sulphates.

 

Carbonates

 

Claraite (Cu, Zn)3(CO3)(OH)4 4 H2O

Locality: Andrássy-I. mine, Rudabánya.

Description: greenish blue and pale green, globular aggregates to 1-2 mm, which consist of radial intergrowth of very minor lath shaped crystals.

 

Sulphates

 

Bonattite CuSO4 3 H2O

Locality: -700 m level of Recsk ore mine, Mátra Mountains.

Description: rare, minute blue globular aggregates associated with eriochalcite and northupite.

 

Botryogen MgFe3+(SO4)2(OH) 7 H2O

Locality: Andrássy-III. mine, Rudabánya.

Description: rare, pale orange aggregates and crusts (up to 3-5 mm), as recent precipitates. Accompanying minerals include copiapite, epsomite, melanterite, and gypsum.

 

Magnesiocopiapite MgFe4(SO4)6(OH)2 20 H2O

Locality: Rudabánya.

Description: yellow to yellow-brown crusts (up to 5 cm) in association with gypsum, hexahydrite, and copiapite.

 

Serpierite Ca(Cu, Zn)4(SO4)2(OH)6 3 H2O

Locality: Rudabánya.

Description: rare, sky-blue sprays (up to 1 mm) were detected on tennantite.

 

Sideronatrite Na2Fe3+(SO4)2(OH) 3 H2O

Locality: -700 m level of Recsk ore mine, Mátra Mountains.

Description: orange to orange-brown crusts or globular aggregates (up to 2 mm diameter), consisting of small needle together with other sulphates and halides

 

Arsenates

 

Bayldonite PbCu3(AsO4)2(OH)2 H2O

Locality: Meleg Hill, Nadap, Velence Mountains.

Description: yellow-green crusts and globular aggregates (up to 1-2 mm) in cavities of hydroquartzite, as an alteration product of enargite, associated with plumbojarosite, cornubite, and other arsenates.

 

Kankite Fe3+AsO4 3,5 H2O

Locality: Nagybörzsöny, Börzsöny Mountains.

Description: a rare alteration product of arsenopyrite. It forms porous yellow-green botryoidal crusts, in close association with scorodite.

 

Silicates

 

Edenite NaCa2(Mg, Fe2+)5Si7AlO22(OH)2

Magnesiohastingsite NaCa2(Mg, Fe2+)4Fe3+Si6Al2O22(OH)2

Magnesiohornblende Ca2(Mg, Fe2+)4Al(Si7Al)O22(OH, F)2

Tschermakite Ca2(Mg, Fe2+)3Al2(Si6Al2)O22(OH)2

Locality: rock-forming minerals in Eocene andesites at Komló, Recsk and Velence Mountains.

Description: they were detected by electron-microprobe analyses of amphibole crystals of andesites.

 

Clinozoisite Ca2Al3(SiO4)3(OH)

Locality: in several metamorphic rocks of the Sopron Mountains.

Description: microscopic grains.

 

Sándor Szakáll

 

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