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isselite

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Journal Article
Published: 19 June 2020
Mineralogical Magazine (2020) 84 (5): 653–661.
...Cristian Biagioni; Donato Belmonte; Cristina Carbone; Roberto Cabella; Nicola Demitri; Natale Perchiazzi; Anthony R. Kampf; Ferdinando Bosi Abstract The new mineral isselite, Cu 6 (SO 4 )(OH) 10 (H 2 O) 4 ⋅H 2 O, has been discovered in the Lagoscuro mine, Monte Ramazzo mining complex, Genoa...
FIGURES | View All (5)
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Coordination environments of Cu2+ in the crystal structure of isselite. The colour scheme is the same as in Fig. 3.
Published: 19 June 2020
Fig. 4. Coordination environments of Cu 2+ in the crystal structure of isselite. The colour scheme is the same as in Fig. 3 .
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Raman spectrum of isselite in the range 200–1200 cm–1 (a) and 2700–4000 cm–1 (b).
Published: 19 June 2020
Fig. 2. Raman spectrum of isselite in the range 200–1200 cm –1 ( a ) and 2700–4000 cm –1 ( b ).
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Comparison between the crystal structure of isselite (a) and those of montetrisaite (b) and redgillite (c). The colour scheme is the same as in Fig. 3.
Published: 19 June 2020
Fig. 5. Comparison between the crystal structure of isselite ( a ) and those of montetrisaite ( b ) and redgillite ( c ). The colour scheme is the same as in Fig. 3 .
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Isselite, sprays of acicular blue crystals. Field of view: 2 mm. Monte Ramazzo mining complex, Genoa. Photo M. Esposito. The crystal morphology is shown to the right.
Published: 19 June 2020
Fig. 1. Isselite, sprays of acicular blue crystals. Field of view: 2 mm. Monte Ramazzo mining complex, Genoa. Photo M. Esposito. The crystal morphology is shown to the right.
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Crystal structure of isselite as seen down b. Symbols: green polyhedra = Cu sites and yellow polyhedra = S site. Circles: red = O2–, blue = OH– and light blue = H2O.
Published: 19 June 2020
Fig. 3. Crystal structure of isselite as seen down b . Symbols: green polyhedra = Cu sites and yellow polyhedra = S site. Circles: red = O 2 – , blue = OH – and light blue = H 2 O.
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Published: 19 June 2020
Table 5. Selected bond distances (in Å) for isselite. Cu (1)–OH(6) 1.950(8) ×2 Cu (4)–OH(2) 1.928(5) Cu (1)–OH(5) 1.961(7) ×2 Cu (4)–OH(1) 1.937(5) < Cu (1)–OH> 1.956 Cu (4)–OH(5) 1.950(7) Cu (1)–Ow(12) 2.623(13) Cu (4)–OH(3) 1.963(7) < Cu (4
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Published: 19 June 2020
Table 1. Electron microprobe analysis of isselite (average of six spot analyses – in wt.%). Oxide Mean Range S.D. SO 3 11.45 11.30–11.73 0.21 MgO 0.31 0.20–0.40 0.07 CoO 1.07 0.89–1.22 0.14 NiO 9.41 8.63–11.01 0.90 CuO 51.29 49.03–52.55 1.26 ZnO
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Published: 19 June 2020
Table 2. X-ray powder diffraction ( d in Å) data for isselite * . I obs d obs I calc d calc h k l s 10 . 3 92 10 . 3 0 0 2 m 6 . 4 29 6 . 46 1 0 1 mw 5 . 67 25 5 . 67 0 1 1 w 5.14 11 5.12 0 1 2 vs 4
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Published: 19 June 2020
Table 6. Bond-valence sums (BVS – in valence units) for isselite * .   Cu (1) Cu (2) Cu (3) Cu (4) Cu (5) S Σanions OH(1) 0.23 2×→ 0.50 1.23 OH(2) 0.22 2×→ 0.51 1.24 OH(3) 0.39 ↓×2 0.46 0.46 ↓×2 1.31 OH(4) 0.43 ↓×2 0.49
Journal Article
Published: 01 April 2019
Mineralogical Magazine (2019) 83 (2): 315–317.
... No. 48, April 2019, page 316; Mineralogical Magazine , 83 , 315–317. IMA No. 2018-139 Isselite Cu 6 (SO 4 )(OH) 10 ·5H 2 O Lagoscuro mine, Ceranesi, Genoa Province, Liguria, Italy (44°28’35”N, 8°51’35”E) Cristian Biagioni*, Donato Belmonte, Cristina Carbone, Roberto Cabella...
Journal Article
Published: 01 March 2019
European Journal of Mineralogy (2019) 31 (2): 399–402.
...., Mihály, J. and Szabó, D. (2019) Kollerite, IMA 2018-131. CNMNC Newsletter No. 48, April 2019, page 399; European Journal of Mineralogy , 31 , 399–402. IMA No. 2018-133 Isselite Cu 6 (SO 4 )(OH) 10 ·5H 2 O Lagoscuro mine, Ceranesi, Genoa Province, Liguria, Italy (44°28′35″N, 8°51′35″E...
Journal Article
Published: 01 October 2020
Mineralogical Magazine (2020) 84 (5): b1–b2.
..., ANTHONY R. KAMPF and FERDINANDO BOSI: Isselite, Cu6(SO4)(OH)10(H2O)4. H2O, a new mineral species from Eastern Liguria, Italy 653 EMIL AARESTRUP, TAUS R. C. JØRGENSEN, PAUL E.B. ARMITAGE, ALLEN P. NUTMAN, OLE CHRISTIANSEN and KRISTOFFER SZILAS : The Mesoarchean Amikoq Layered Complex of SW Greenland: Part...
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Published: 19 June 2020
Table 3. Crystal data and summary of parameters describing data collection and refinement for isselite. Crystal data Crystal size (mm) 0.080 × 0.010 × 0.005 Cell setting, space group Orthorhombic, Pmn 2 1 a (Å) 6.8070(14) b (Å) 5.8970(12) c (Å) 20.653(4
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Published: 19 June 2020
Table 4. Sites, Wyckoff positions, atom coordinates and equivalent isotropic displacement parameters (Å 2 ) for isselite. Site Wyk. x y z U eq Cu (1) 2 a 0 0.0315(3) 0.01412(8) 0.0249(4) Cu (2) 2 a 0 0.5234(3) 0.00062(8) 0.0239(4) Cu (3) 2 b
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Published: 19 June 2020
and Giester ( 1988 ) Dolerophanite Cu 2 O(SO 4 ) 9.37 6.32 7.64 90 122.3 90 C 2/ m Effenberger ( 1985 ) Isselite Cu 6 (SO 4 )(OH) 10 (H 2 O) 4 ⋅H 2 O 6.81 5.90 20.65 90 90 90 Pmn 2 1 This work Kobyashevite Cu 5 (SO 4 ) 2 (OH) 6 (H 2 O) 4 6.07 11.06 5.51 102.9 92.3 92.6
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Published: 19 June 2020
and Giester ( 1988 ) Dolerophanite Cu 2 O(SO 4 ) 9.37 6.32 7.64 90 122.3 90 C 2/ m Effenberger ( 1985 ) Isselite Cu 6 (SO 4 )(OH) 10 (H 2 O) 4 ⋅H 2 O 6.81 5.90 20.65 90 90 90 Pmn 2 1 This work Kobyashevite Cu 5 (SO 4 ) 2 (OH) 6 (H 2 O) 4 6.07 11.06 5.51 102.9 92.3 92.6
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Published: 19 June 2020
and Giester ( 1988 ) Dolerophanite Cu 2 O(SO 4 ) 9.37 6.32 7.64 90 122.3 90 C 2/ m Effenberger ( 1985 ) Isselite Cu 6 (SO 4 )(OH) 10 (H 2 O) 4 ⋅H 2 O 6.81 5.90 20.65 90 90 90 Pmn 2 1 This work Kobyashevite Cu 5 (SO 4 ) 2 (OH) 6 (H 2 O) 4 6.07 11.06 5.51 102.9 92.3 92.6
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Published: 19 June 2020
and Giester ( 1988 ) Dolerophanite Cu 2 O(SO 4 ) 9.37 6.32 7.64 90 122.3 90 C 2/ m Effenberger ( 1985 ) Isselite Cu 6 (SO 4 )(OH) 10 (H 2 O) 4 ⋅H 2 O 6.81 5.90 20.65 90 90 90 Pmn 2 1 This work Kobyashevite Cu 5 (SO 4 ) 2 (OH) 6 (H 2 O) 4 6.07 11.06 5.51 102.9 92.3 92.6