Hydroxylbenyacarite
A valid IMA mineral species
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Formula:
(H2O)2Mn2(Ti2Fe)(PO4)4[O(OH)](H2O)10 · 4H2O
Colour:
light greenish-yellow
Specific Gravity:
2.32 (Calculated)
Crystal System:
Orthorhombic
Member of:
Name:
in honor of Maria Angelica Rodríguez de Benyacar (8 December 1928 -), Comision Nacional de Energia Atomica, Buenos Aires, Argentina, for her contribution to mineralogical studies and the hydroxy content.
This page provides mineralogical data about Hydroxylbenyacarite.
Unique Identifiers
Mindat ID:
470925
Long-form identifier:
mindat:1:1:470925:7
GUID
(UUID V4):
(UUID V4):
59852183-6d30-46af-89b1-84683d271bd8
IMA Classification of Hydroxylbenyacarite
Approved, Pending publication
Type description reference:
Hochleitner, Rupert, Rewitzer, Christian, Grey, Ian E., Kampf, Anthony R., MacRae, Colin M., Gable, Robert W., Mumme, William G. (2024) Hydroxylbenyacarite, (H2O)2Mn2(Ti2Fe)(PO4)4[O(OH)](H2O)10⋅4H2O, a new paulkerrite-group mineral, from the El Criollo mine, Cordoba Province, Argentina. Mineralogical Magazine, 1-23 doi:10.1180/mgm.2024.16
Classification of Hydroxylbenyacarite
8.DH.35
8 : PHOSPHATES, ARSENATES, VANADATES
D : Phosphates, etc. with additional anions, with H2O
H : With large and medium-sized cations, (OH, etc.):RO4 < 1:1
8 : PHOSPHATES, ARSENATES, VANADATES
D : Phosphates, etc. with additional anions, with H2O
H : With large and medium-sized cations, (OH, etc.):RO4 < 1:1
Mineral Symbols
As of 2021 there are now IMA–CNMNC approved mineral symbols (abbreviations) for each mineral species, useful for tables and diagrams.
Symbol | Source | Reference |
---|---|---|
Hbyc | IMA–CNMNC | Warr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43 |
Physical Properties of Hydroxylbenyacarite
Colour:
light greenish-yellow
Density:
2.32 g/cm3 (Calculated)
Optical Data of Hydroxylbenyacarite
Type:
Biaxial (+)
RI values:
nα = 1.608(3) nβ = 1.624(3) nγ = 1.642(3)
2V:
Measured: 88° (2), Calculated: 87.5°
Max Birefringence:
δ = 0.034
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
and does not take into account mineral colouration.
Surface Relief:
Moderate
Dispersion:
Dispersion is moderate with r < v
Pleochroism:
Non-pleochroic
Chemistry of Hydroxylbenyacarite
Mindat Formula:
(H2O)2Mn2(Ti2Fe)(PO4)4[O(OH)](H2O)10 · 4H2O
Crystallography of Hydroxylbenyacarite
Crystal System:
Orthorhombic
Class (H-M):
mmm (2/m 2/m 2/m) - Dipyramidal
Space Group:
Pbca
Setting:
Pbca
Cell Parameters:
a = 10.5500(3) Å, b = 20.7248(5) Å, c = 12.5023(3) Å
Ratio:
a:b:c = 0.509 : 1 : 0.603
Unit Cell V:
2,733.59 ų (Calculated from Unit Cell)
Z:
4
X-Ray Powder Diffraction
Powder Diffraction Data:
d-spacing | Intensity |
---|---|
10.48 Å | (48) |
7.56 Å | (71) |
6.28 Å | (85) |
5.28 Å | (50) |
3.763 Å | (52) |
3.157 Å | (100) |
2.892 Å | (38) |
2.643 Å | (36) |
Type Occurrence of Hydroxylbenyacarite
General Appearance of Type Material:
rhombic tablets with dimensions of typically 20 to 50 µm, occasionally to 400 µm
Place of Conservation of Type Material:
Type material is deposited in the collections of the Natural History Museum of Los Angeles County, 900 Exposition Boulevard, Los Angeles, CA 90007, USA, catalogue numbers 76298 (holotype), and the Mineralogical State Collection (SNSB), Theresienstrasse 41, 80333 München, Germany, registration number MSM 38036 (cotype)
Geological Setting of Type Material:
occurs in corrosion cavities in the triplite in a granite pegmatite
Associated Minerals at Type Locality:
Relationship of Hydroxylbenyacarite to other Species
Member of:
Other Members of this group:
Benyacarite | (H2O)2Mn2Ti2Fe3+(PO4)4(OF)(H2O)10 · 4H2O | Orth. mmm (2/m 2/m 2/m) : Pbca |
Hochleitnerite | Mn2Ti3(PO4)4O2(H2O)2 · 14H2O | Orth. mmm (2/m 2/m 2/m) : Pbca |
Macraeite | K(H2O)Mn2(Fe2Ti)(PO4)4[O(OH)](H2O)10 · 4H2O | Mon. 2/m : P21/b |
Mantienneite | KMg2Al2Ti(PO4)4(OH)3 · 15H2O | Orth. mmm (2/m 2/m 2/m) : Pbca |
Paulkerrite | K(Mg,Mn2+)2(Fe3+,Al,Ti,Mg)2Ti(PO4)4(OH)3 · 15H2O | Mon. m |
Pleysteinite | [(H2O)0.5K0.5]2Mn2Al3(PO4)4F2 · 14H2O | Orth. mmm (2/m 2/m 2/m) : Pbca |
Rewitzerite | [K(H2O)]Mn2Al3(PO4)4(OH)2 · 14H2O | Mon. 2/m : P21/b |
Related Minerals - Strunz-mindat Grouping
8.DH. | Ferroberaunite | Fe2+Fe3+5(PO4)4(OH)5 · 6H2O |
8.DH. | Rowleyite | [Na(NH4,K)9Cl4][V5+,4+2(P,As)O8]6 · n[H2O,Na,NH4,K,Cl] |
8.DH. | Ammoniotinsleyite | (NH4)Al2(PO4)2(OH) · 2H2O |
8.DH. | Thebaite-(NH4) | (NH4)3Al(C2O4)(PO3OH)2(H2O) |
8.DH. | Dendoraite-(NH4) | (NH4)2NaAl(C2O4)(PO3OH)2(H2O)2 |
8.DH. | Whiteite-(MnMnMn) | Mn2+Mn2+Mn2+2Al2(PO4)4(OH)2 · 8H2O |
8.DH. | Whiteite-(CaMnFe) | CaMnFe2Al2(PO4)4(OH)2 · 8H2O |
8.DH. | Hochleitnerite | Mn2Ti3(PO4)4O2(H2O)2 · 14H2O |
8.DH. | Regerite | KFe6(PO4)4(OH)7(H2O)6 · 4H2O |
8.DH.05 | Minyulite | KAl2(PO4)2F · 4H2O |
8.DH.10 | Leucophosphite | KFe3+2(PO4)2(OH) · 2H2O |
8.DH.10 | Spheniscidite | (NH4,K)(Fe3+,Al)2(PO4)2(OH) · 2H2O |
8.DH.10 | Tinsleyite | KAl2(PO4)2(OH) · 2H2O |
8.DH.15 | Jahnsite-(CaMnFe) | {Ca}{Mn2+}{Fe2+2}{Fe3+2}(PO4)4(OH)2 · 8H2O |
8.DH.15 | Jahnsite-(CaMnMg) | {Ca}{Mn2+}{(Mg,Fe2+)2}{Fe3+2}(PO4)4(OH)2 · 8H2O |
8.DH.15 | Jahnsite-(CaMnMn) | {Ca}{Mn2+}{Mn2+2}{Fe3+2}(PO4)4(OH)2 · 8H2O |
8.DH.15 | Keckite | CaMn2+(Fe3+Mn2+)Fe3+2(PO4)4(OH)3 · 7H2O |
8.DH.15 | Rittmannite | {(Mn2+,Ca)}{Mn2+}{(Fe2+,Mn2+,Mg)2}{(Al,Fe3+)2}(PO4)4(OH)2 · 8H2O |
8.DH.15 | Whiteite-(CaFeMg) | {Ca}{(Fe2+,Mn2+)}{Mg2}{Al2}(PO4)4(OH)2 · 8H2O |
8.DH.15 | Whiteite-(CaMnMg) | {Ca}{Mn2+}{Mg2}{Al2}(PO4)4(OH)2 · 8H2O |
8.DH.15 | Whiteite-(MnFeMg) | {(Mn2+,Ca)}{(Fe2+,Mn2+)}{Mg2}{Al2}(PO4)4(OH)2 · 8H2O |
8.DH.15 | Jahnsite-(MnMnMn) | {Mn2+}{Mn2+}{Mn2+2}{Fe3+2}(PO4)4(OH)2 · 8H2O |
8.DH.15 | Kaluginite | (Mn2+,Ca)MgFe3+(PO4)2(OH) · 4H2O |
8.DH.15 | Jahnsite-(CaFeFe) | {Ca}{Fe2+}{Fe2+2}{Fe3+2}(PO4)4(OH)2 · 8H2O |
8.DH.15 | Jahnsite-(NaFeMg) | NaFe3+Mg2Fe3+2(PO4)4(OH)2 · 8H2O |
8.DH.15 | Jahnsite-(NaMnMg) | {(Na,Ca)}{(Mn2+,Fe3+)}{(Mg,Fe3+)2}{Fe3+2}(PO4)4(OH)2 · 8H2O |
8.DH.15 | Jahnsite-(CaMgMg) | {Ca}{Mg}{Mg2}{Fe3+2}(PO4)4(OH)2 · 8H2O |
8.DH.15 | Whiteite-(CaMnMn) | {Ca}{Mn2+}{Mn2}{Al2}(PO4)4(OH)2 · 8H2O |
8.DH.15 | Whiteite-(MnMnMg) | MnMnMg2Al2(PO4)4(OH)2 · 8H2O |
8.DH.15 | Jahnsite-(MnMnMg) | Mn2+Mn2+Mg2Fe3+2(PO4)4(OH)2 · 8H2O |
8.DH.15 | Jahnsite-(CaFeMg) | CaFe2+Mg2Fe3+2(PO4)4(OH)2 · 8H2O |
8.DH.15 | Jahnsite-(MnMnFe) | Mn2+Mn2+Fe2+2Fe3+2(PO4)4(OH)2 · 8H2O |
8.DH.15 | Whiteite-(CaMgMg) | CaMg3Al2(PO4)4(OH)2 · 8H2O |
8.DH.15 | Jahnsite-(MnMnZn) | Mn2+Mn2+Zn2Fe3+2(PO4)4(OH)2 · 8H2O |
8.DH.15 | Jahnsite-(NaMnMn) | NaMn2+(Mn2+Fe3+)Σ2Fe3+2(PO4)4(OH)2 · 8H2O |
8.DH.15 | Jahnsite-(CaMnZn) | CaMn2+Zn2Fe3+2(PO4)4(OH)2 · 8H2O |
8.DH.20 | Lun'okite | (Mn,Ca)(Mg,Fe,Mn)Al(PO4)2OH · 4H2O |
8.DH.20 | Manganosegelerite | (Mn2+,Ca)(Mn2+,Fe2+,Mg)Fe3+(PO4)2(OH) · 4H2O |
8.DH.20 | Overite | CaMgAl(PO4)2(OH) · 4H2O |
8.DH.20 | Segelerite | Ca2 Mg2 Fe3+2(PO4)4(OH)2 · 8H2O |
8.DH.20 | Wilhelmvierlingite | CaMnFe3+(PO4)2(OH) · 2H2O |
8.DH.20 | Juonniite | CaMgSc(PO4)2(OH) · 4H2O |
8.DH.25 | Calcioferrite | Ca2Fe3+2(PO4)3(OH) · 7H2O |
8.DH.25 | Kingsmountite | Ca3MnFeAl4(PO4)6(OH)4 · 12H2O |
8.DH.25 | Montgomeryite | Ca4MgAl4(PO4)6(OH)4 · 12H2O |
8.DH.25 | Zodacite | Ca4Mn2+Fe3+4(PO4)6(OH)4 · 12H2O |
8.DH.25 | Fanfaniite | Ca4MnAl4(PO4)6(OH)4 · 12H2O |
8.DH.30 | Arseniosiderite | Ca2Fe3+3(AsO4)3O2 · 3H2O |
8.DH.30 | Kolfanite | Ca2Fe3+3O2(AsO4)3 · 2H2O |
8.DH.30 | Mitridatite | Ca2Fe3+3(PO4)3O2 · 3H2O |
8.DH.30 | Pararobertsite | Ca2Mn3+3(PO4)3O2 · 3H2O |
8.DH.30 | Robertsite | Ca2Mn3+3(PO4)3O2 · 3H2O |
8.DH.30 | Sailaufite | (Ca,Na,◻)2Mn3+3(AsO4)2(CO3)O2 · 3H2O |
8.DH.35 | Mantienneite | KMg2Al2Ti(PO4)4(OH)3 · 15H2O |
8.DH.35 | Paulkerrite | K(Mg,Mn2+)2(Fe3+,Al,Ti,Mg)2Ti(PO4)4(OH)3 · 15H2O |
8.DH.35 | Benyacarite | (H2O)2Mn2Ti2Fe3+(PO4)4(OF)(H2O)10 · 4H2O |
8.DH.35 | Macraeite | K(H2O)Mn2(Fe2Ti)(PO4)4[O(OH)](H2O)10 · 4H2O |
8.DH.40 | Xanthoxenite | Ca4Fe3+2(PO4)4(OH)2 · 3H2O |
8.DH.45 | Mahnertite | NaCu3(AsO4)2Cl · 5H2O |
8.DH.50 | Andyrobertsite | KCdCu5(AsO4)4(H2AsO4) · 2H2O |
8.DH.50 | Calcioandyrobertsite | KCaCu5(AsO4)4(H2AsO4) · 2H2O |
8.DH.55 | Englishite | K3Na2Ca10Al15(PO4)21(OH)7 · 26H2O |
8.DH.60 | Bouazzerite | Bi6(Mg,Co)11Fe3+14(AsO4)18(OH)4O12 · 86H2O |
8.DH.65 | Galliskiite | Ca4Al2(PO4)2F8 · 5H2O |
8.DH.70 | Joteite | Ca2CuAl(AsO4)[AsO3(OH)]2(OH)2 · 5H2O |
8.DH.75 | Kampelite | Ba6Mg3Sc8(PO4)12(OH)6 · 7H2O |
8.DH.80 | Kapundaite | NaCaFe4(PO4)4(OH)3 · 5H2O |
8.DH.85 | Vaniniite | Ca2Mn2+3Mn3+2O2(AsO4)4 · 2H2O |
Other Information
Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.
Internet Links for Hydroxylbenyacarite
mindat.org URL:
https://www.mindat.org/min-470925.html
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References for Hydroxylbenyacarite
Reference List:
Bosi, Ferdinando, Hatert, Frédéric, Pasero, Marco, Mills, Stuart J. (2023) Newsletter 76. Mineralogical Magazine, 1-5 doi:10.1180/mgm.2023.89
Hochleitner, Rupert, Rewitzer, Christian, Grey, Ian E., Kampf, Anthony R., MacRae, Colin M., Gable, Robert W., Mumme, William G. (2024) Hydroxylbenyacarite, (H2O)2Mn2(Ti2Fe)(PO4)4[O(OH)](H2O)10⋅4H2O, a new paulkerrite-group mineral, from the El Criollo mine, Cordoba Province, Argentina. Mineralogical Magazine, 1-23 doi:10.1180/mgm.2024.16
Localities for Hydroxylbenyacarite
Locality List
- This locality has map coordinates listed.
- This locality has estimated coordinates.
ⓘ - Click for references and further information on this occurrence.
? - Indicates mineral may be doubtful at this locality.
- Good crystals or important locality for species.
- World class for species or very significant.
(TL) - Type Locality for a valid mineral species.
(FRL) - First Recorded Locality for everything else (eg varieties).
Struck out - Mineral was erroneously reported from this locality.
Faded * - Never found at this locality but inferred to have existed at some point in the past (e.g. from pseudomorphs).
All localities listed without proper references should be considered as questionable.
All localities listed without proper references should be considered as questionable.
Argentina (TL) | |
| Bosi et al. (2023) |