Bohuslavite, Fe-4(3+)(PO4)(3)(SO4)(OH)(H2O)(10)center dot nH(2)O, a new hydrated iron phosphate-sulfate

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Bohuslavite, Fe-4(3+)(PO4)(3)(SO4)(OH)(H2O)(10)center dot nH(2)O, a new hydrated iron phosphate-sulfate. / Mauro, Daniela; Biagioni, Cristian; Bonaccorsi, Elena et al.
In: European journal of mineralogy, Vol. 31.2019, No. 5-6, 20.12.2019, p. 1033-1046.

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Harvard

Mauro, D, Biagioni, C, Bonaccorsi, E, Halenius, H, Pasero, M, Sgokby, H, Zaccarini, F, Sejkora, J, Plasil, J, Kampf, A, Filip, J, Novotny, P, Skoda, R & Witzke, T 2019, 'Bohuslavite, Fe-4(3+)(PO4)(3)(SO4)(OH)(H2O)(10)center dot nH(2)O, a new hydrated iron phosphate-sulfate', European journal of mineralogy, vol. 31.2019, no. 5-6, pp. 1033-1046. https://doi.org/10.1127/ejm/2019/0031-2892

APA

Mauro, D., Biagioni, C., Bonaccorsi, E., Halenius, H., Pasero, M., Sgokby, H., Zaccarini, F., Sejkora, J., Plasil, J., Kampf, A., Filip, J., Novotny, P., Skoda, R., & Witzke, T. (2019). Bohuslavite, Fe-4(3+)(PO4)(3)(SO4)(OH)(H2O)(10)center dot nH(2)O, a new hydrated iron phosphate-sulfate. European journal of mineralogy, 31.2019(5-6), 1033-1046. https://doi.org/10.1127/ejm/2019/0031-2892

Vancouver

Mauro D, Biagioni C, Bonaccorsi E, Halenius H, Pasero M, Sgokby H et al. Bohuslavite, Fe-4(3+)(PO4)(3)(SO4)(OH)(H2O)(10)center dot nH(2)O, a new hydrated iron phosphate-sulfate. European journal of mineralogy. 2019 Dec 20;31.2019(5-6):1033-1046. Epub 2019 Sept 24. doi: 10.1127/ejm/2019/0031-2892

Author

Mauro, Daniela ; Biagioni, Cristian ; Bonaccorsi, Elena et al. / Bohuslavite, Fe-4(3+)(PO4)(3)(SO4)(OH)(H2O)(10)center dot nH(2)O, a new hydrated iron phosphate-sulfate. In: European journal of mineralogy. 2019 ; Vol. 31.2019, No. 5-6. pp. 1033-1046.

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@article{83145dc593324b879838ed64ae43fbb2,
title = "Bohuslavite, Fe-4(3+)(PO4)(3)(SO4)(OH)(H2O)(10)center dot nH(2)O, a new hydrated iron phosphate-sulfate",
abstract = "The new mineral species bohuslavite, Fe 4 3 + (PO4)3(SO4)(OH)(H2O)10·nH2O (5 ≤ n ≤ 14), has been discovered in the Buca della Vena baryte ± iron oxides ± pyrite ore deposit, Apuan Alps, Tuscany (Italy), and in the Horn{\'i} M{\v e}sto deposit, northern Moravia (Czech Republic). It occurs as pinkish to lilac tabular {001} crystals, with a pseudohexagonal outline, up to 0.25 mm in size, forming globular aggregates up to 1 mm across. At both localities, it is associated with gypsum. Optically, bohuslavite is biaxial negative. Indices of refraction and 2V angles, measured with white light, are α = 1.537(2), β = 1.567(1), γ = 1.568(1), 2V = 16(3)° and α = 1.550(2), β = 1.579(2), γ = 1.579(1), 2V = 5–10° for the samples from Buca della Vena (BdV) and Horn{\'i} M{\v e}sto (HM), respectively. Dispersion, with r > v, is slight in BdV sample and it was not observed in HM. In both cases, X ≈ c. No pleochroism was observed. Electron microprobe analyses gave (in wt% – mean of 10 spot analyses on each sample): SO3 10.92, P2O5 25.34, Al2O3 0.26, Fe2O3 40.70, H2O 35.96, total 113.18 (BdV), and SO3 9.32, P2O5 24.84, Al2O3 0.30, Fe2O3 36.63, H2O 32.49, total 103.58 (HM). The H2O contents were determined through thermo-gravimetric analyses. M{\"o}ssbauer spectroscopy indicated that all iron occurs as Fe3+. Thus, the empirical formulae of bohuslavite, based on Σ(Fe,Al) = 4 atoms per formula unit (apfu), are (Fe3.96Al0.04)(PO4)2.77(SO4)1.06(OH)1.56(H2O)10·7.90H2O (BdV) and (Fe3.95Al0.05)(PO4)3.02(SO4)1.00(OH)0.94(H2O)10·5.08H2O (HM), ideally Fe 4 3 + (PO4)3(SO4)(OH)(H2O)10·nH2O. Bohuslavite is triclinic, space group P 1 ¯ , with a = 13.376(3), b = 13.338(3), c = 10.863(4) {\AA}, α = 92.80(2), β = 91.03(2), γ = 119.92(2)°, V = 1675.7(9) {\AA}3, Z = 2 (sample BdV). The crystal structure was solved and refined to R 1 = 0.232 on the basis of 2177 unique reflections with F o > 4σ (F o) and 208 refined parameters. Its crystal structure is based on {001} heteropolyhedral layers with composition [Fe4(PO4)3O(OH)(H2O)10]. These layers are decorated, on both sides, by SO4 groups. Additional H2O groups are hosted in the interlayers and in the [001] channels. The name bohuslavite honours the Czech mineralogist and geologist Bohuslav Fojt for his contributions to mineralogy and economic geology. A third occurrence of bohuslavite from the Jeremias Gl{\"u}ck mine, Garnsdorf near Saalfeld, Thuringia (Germany), is briefly discussed. ",
author = "Daniela Mauro and Cristian Biagioni and Elena Bonaccorsi and Hulf Halenius and Marco Pasero and Henrik Sgokby and Federica Zaccarini and Jiri Sejkora and Jakub Plasil and Anthony Kampf and Jan Filip and Pavel Novotny and Radek Skoda and Thomas Witzke",
year = "2019",
month = dec,
day = "20",
doi = "10.1127/ejm/2019/0031-2892",
language = "English",
volume = "31.2019",
pages = "1033--1046",
journal = "European journal of mineralogy",
issn = "0935-1221",
publisher = "E. Schweizerbart'sche Verlagsbuchhandlung",
number = "5-6",

}

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TY - JOUR

T1 - Bohuslavite, Fe-4(3+)(PO4)(3)(SO4)(OH)(H2O)(10)center dot nH(2)O, a new hydrated iron phosphate-sulfate

AU - Mauro, Daniela

AU - Biagioni, Cristian

AU - Bonaccorsi, Elena

AU - Halenius, Hulf

AU - Pasero, Marco

AU - Sgokby, Henrik

AU - Zaccarini, Federica

AU - Sejkora, Jiri

AU - Plasil, Jakub

AU - Kampf, Anthony

AU - Filip, Jan

AU - Novotny, Pavel

AU - Skoda, Radek

AU - Witzke, Thomas

PY - 2019/12/20

Y1 - 2019/12/20

N2 - The new mineral species bohuslavite, Fe 4 3 + (PO4)3(SO4)(OH)(H2O)10·nH2O (5 ≤ n ≤ 14), has been discovered in the Buca della Vena baryte ± iron oxides ± pyrite ore deposit, Apuan Alps, Tuscany (Italy), and in the Horní Město deposit, northern Moravia (Czech Republic). It occurs as pinkish to lilac tabular {001} crystals, with a pseudohexagonal outline, up to 0.25 mm in size, forming globular aggregates up to 1 mm across. At both localities, it is associated with gypsum. Optically, bohuslavite is biaxial negative. Indices of refraction and 2V angles, measured with white light, are α = 1.537(2), β = 1.567(1), γ = 1.568(1), 2V = 16(3)° and α = 1.550(2), β = 1.579(2), γ = 1.579(1), 2V = 5–10° for the samples from Buca della Vena (BdV) and Horní Město (HM), respectively. Dispersion, with r > v, is slight in BdV sample and it was not observed in HM. In both cases, X ≈ c. No pleochroism was observed. Electron microprobe analyses gave (in wt% – mean of 10 spot analyses on each sample): SO3 10.92, P2O5 25.34, Al2O3 0.26, Fe2O3 40.70, H2O 35.96, total 113.18 (BdV), and SO3 9.32, P2O5 24.84, Al2O3 0.30, Fe2O3 36.63, H2O 32.49, total 103.58 (HM). The H2O contents were determined through thermo-gravimetric analyses. Mössbauer spectroscopy indicated that all iron occurs as Fe3+. Thus, the empirical formulae of bohuslavite, based on Σ(Fe,Al) = 4 atoms per formula unit (apfu), are (Fe3.96Al0.04)(PO4)2.77(SO4)1.06(OH)1.56(H2O)10·7.90H2O (BdV) and (Fe3.95Al0.05)(PO4)3.02(SO4)1.00(OH)0.94(H2O)10·5.08H2O (HM), ideally Fe 4 3 + (PO4)3(SO4)(OH)(H2O)10·nH2O. Bohuslavite is triclinic, space group P 1 ¯ , with a = 13.376(3), b = 13.338(3), c = 10.863(4) Å, α = 92.80(2), β = 91.03(2), γ = 119.92(2)°, V = 1675.7(9) Å3, Z = 2 (sample BdV). The crystal structure was solved and refined to R 1 = 0.232 on the basis of 2177 unique reflections with F o > 4σ (F o) and 208 refined parameters. Its crystal structure is based on {001} heteropolyhedral layers with composition [Fe4(PO4)3O(OH)(H2O)10]. These layers are decorated, on both sides, by SO4 groups. Additional H2O groups are hosted in the interlayers and in the [001] channels. The name bohuslavite honours the Czech mineralogist and geologist Bohuslav Fojt for his contributions to mineralogy and economic geology. A third occurrence of bohuslavite from the Jeremias Glück mine, Garnsdorf near Saalfeld, Thuringia (Germany), is briefly discussed.

AB - The new mineral species bohuslavite, Fe 4 3 + (PO4)3(SO4)(OH)(H2O)10·nH2O (5 ≤ n ≤ 14), has been discovered in the Buca della Vena baryte ± iron oxides ± pyrite ore deposit, Apuan Alps, Tuscany (Italy), and in the Horní Město deposit, northern Moravia (Czech Republic). It occurs as pinkish to lilac tabular {001} crystals, with a pseudohexagonal outline, up to 0.25 mm in size, forming globular aggregates up to 1 mm across. At both localities, it is associated with gypsum. Optically, bohuslavite is biaxial negative. Indices of refraction and 2V angles, measured with white light, are α = 1.537(2), β = 1.567(1), γ = 1.568(1), 2V = 16(3)° and α = 1.550(2), β = 1.579(2), γ = 1.579(1), 2V = 5–10° for the samples from Buca della Vena (BdV) and Horní Město (HM), respectively. Dispersion, with r > v, is slight in BdV sample and it was not observed in HM. In both cases, X ≈ c. No pleochroism was observed. Electron microprobe analyses gave (in wt% – mean of 10 spot analyses on each sample): SO3 10.92, P2O5 25.34, Al2O3 0.26, Fe2O3 40.70, H2O 35.96, total 113.18 (BdV), and SO3 9.32, P2O5 24.84, Al2O3 0.30, Fe2O3 36.63, H2O 32.49, total 103.58 (HM). The H2O contents were determined through thermo-gravimetric analyses. Mössbauer spectroscopy indicated that all iron occurs as Fe3+. Thus, the empirical formulae of bohuslavite, based on Σ(Fe,Al) = 4 atoms per formula unit (apfu), are (Fe3.96Al0.04)(PO4)2.77(SO4)1.06(OH)1.56(H2O)10·7.90H2O (BdV) and (Fe3.95Al0.05)(PO4)3.02(SO4)1.00(OH)0.94(H2O)10·5.08H2O (HM), ideally Fe 4 3 + (PO4)3(SO4)(OH)(H2O)10·nH2O. Bohuslavite is triclinic, space group P 1 ¯ , with a = 13.376(3), b = 13.338(3), c = 10.863(4) Å, α = 92.80(2), β = 91.03(2), γ = 119.92(2)°, V = 1675.7(9) Å3, Z = 2 (sample BdV). The crystal structure was solved and refined to R 1 = 0.232 on the basis of 2177 unique reflections with F o > 4σ (F o) and 208 refined parameters. Its crystal structure is based on {001} heteropolyhedral layers with composition [Fe4(PO4)3O(OH)(H2O)10]. These layers are decorated, on both sides, by SO4 groups. Additional H2O groups are hosted in the interlayers and in the [001] channels. The name bohuslavite honours the Czech mineralogist and geologist Bohuslav Fojt for his contributions to mineralogy and economic geology. A third occurrence of bohuslavite from the Jeremias Glück mine, Garnsdorf near Saalfeld, Thuringia (Germany), is briefly discussed.

U2 - 10.1127/ejm/2019/0031-2892

DO - 10.1127/ejm/2019/0031-2892

M3 - Article

VL - 31.2019

SP - 1033

EP - 1046

JO - European journal of mineralogy

JF - European journal of mineralogy

SN - 0935-1221

IS - 5-6

ER -