Reference Type | Journal (article/letter/editorial) |
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Title | Enargite, tennantite-(Cu) and tangdanite from the Gápeľ copper deposit near Dobšiná, Spišsko-gemerské rudohorie Mts., Slovakia |
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Journal | Bulletin Mineralogie Petrologie |
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Authors | Števko, Martin | Author |
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Szabó Dózsa, Marek | Author |
Sejkora, Jiří | Author |
Year | 2024 | Volume | 32 |
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Page(s) | 31-36 | Issue | 1 |
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Publisher | Bulletin Mineralogie Petrologie |
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URL | |
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DOI | doi:10.46861/bmp.32.031Search in ResearchGate |
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Classification | Not set | LoC | Not set |
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Mindat Ref. ID | 17679290 | Long-form Identifier | mindat:1:5:17679290:1 |
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GUID | 0 |
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Full Reference | Števko, Martin, Szabó Dózsa, Marek, Sejkora, Jiří (2024) Enargite, tennantite-(Cu) and tangdanite from the Gápeľ copper deposit near Dobšiná, Spišsko-gemerské rudohorie Mts., Slovakia. Bulletin Mineralogie Petrologie, 32 (1). 31-36 doi:10.46861/bmp.32.031 |
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Plain Text | Števko, Martin, Szabó Dózsa, Marek, Sejkora, Jiří (2024) Enargite, tennantite-(Cu) and tangdanite from the Gápeľ copper deposit near Dobšiná, Spišsko-gemerské rudohorie Mts., Slovakia. Bulletin Mineralogie Petrologie, 32 (1). 31-36 doi:10.46861/bmp.32.031 |
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In | (2024) Bulletin Mineralogie Petrologie Vol. 32 (1). Národního muzea v Praze |
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Abstract/Notes | A new occurrence of enargite, tennantite-(Cu) and tangdanite was recently discovered at the Gápeľ copper deposit near Dobšiná, Spišsko-gemerské rudohorie Mts., Rožňava Co., Košice Region, Slovakia. Enargite is rare mineral at the studied locality and it occurs as dark-grey, metallic, prismatic crystals up 2.5 mm with perfect cleavage, developed on fractures of quartz-dolomite gangue. Its refined unit-cell parameters (for the orthorhombic space group Pmn21) are: a 7.4031(7) Å, b 6.4321(6) Å, c 6.1466(7) Å and V 292.68(4) Å3. Its chemical composition corresponds to empirical formula Cu3.04As0.98S3.98. Tennantite-(Cu) forms anhedral grains and aggregates replacing crystals of enargite. Its empirical formula is Cu6.00[Cu4.00(Cu1.07Fe0.64Zn0.42)Σ2.13]As3.87S13.04. Tangdanite occurs as turquoise-blue to blue-green radial aggregates up to 3 mm with silky lustre, developed on fractures of quartz gangue with partly weathered aggregates of minerals of the tennantite series. Its chemical composition corresponds to empirical formula Ca2.12(Cu8.77Zn0.19)Σ8.96 [(AsO4)3.91(PO4)0.08(SiO4)0.01]Σ4.00(SO4)0.43(OH)9.30·9H2O. |
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