Barbosalite (original) (raw)
A valid IMA mineral species - grandfathered
About BarbosaliteHide
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Formula:
Fe2+Fe3+2(PO4)2(OH)2
Colour:
Black to dark blue-green, green, blue green, green blue, greenish black, black
Lustre:
Vitreous, Sub-Vitreous, Resinous, Waxy, Greasy, Dull
Specific Gravity:
3.60 - 3.62
Crystal System:
Monoclinic
Name:
Named by Marie Louise Lindberg (Smith) and William T. Pecora in 1955 in honor of Brazilian geologist Aluízio Licínio de Miranda Barbosa [July 3, 1916 Alto Rio Doce, Minas Gerais, Brasil - September 23, 2013 Brazil], emeritus professor of geology of the School of Mines at Oro Preto, Minas Gerais, Brasil.
May be confused with its tetragonal dimorph lipscombite.
Unique IdentifiersHide
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Long-form identifier:
mindat:1:1:516:2
IMA Classification of BarbosaliteHide
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Approved, 'Grandfathered' (first described prior to 1959)
Type description reference:
Classification of BarbosaliteHide
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8.BB.40
8 : PHOSPHATES, ARSENATES, VANADATES
B : Phosphates, etc., with additional anions, without H2O
B : With only medium-sized cations, (OH, etc.):RO4 about 1:1
41.10.1.4
41 : ANHYDROUS PHOSPHATES, ETC.CONTAINING HYDROXYL OR HALOGEN
10 : (AB)3(XO4)2Zq
19.13.1
19 : Phosphates
13 : Phosphates of Fe alone
Mineral SymbolsHide
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As of 2021 there are now IMA–CNMNC approved mineral symbols (abbreviations) for each mineral species, useful for tables and diagrams.
Please only use the official IMA–CNMNC symbol. Older variants are listed for historical use only.
Symbol | Source | Reference |
---|---|---|
Bsa | IMA–CNMNC | Warr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43 |
Bbs | The Canadian Mineralogist (2019) | The Canadian Mineralogist (2019) The Canadian Mineralogist list of symbols for rock- and ore-forming minerals (December 30, 2019). download |
Physical Properties of BarbosaliteHide
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Vitreous, Sub-Vitreous, Resinous, Waxy, Greasy, Dull
Transparency:
Translucent, Opaque
Colour:
Black to dark blue-green, green, blue green, green blue, greenish black, black
Streak:
Dark blue to dark green
Fracture:
Conchoidal, Sub-Conchoidal
Density:
3.60 - 3.62 g/cm3 (Measured) 3.72 g/cm3 (Calculated)
Optical Data of BarbosaliteHide
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RI values:
_n_α = 1.760 - 1.780 _n_β = 1.770 - 1.810 _n_γ = 1.835 - 1.840
δ = 0.075
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Comments:
X = Y = dark blue green; Z = dark olive green.
Comments:
Absorption: X = Y > Z.
Chemistry of BarbosaliteHide
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Mindat Formula:
Fe2+Fe3+2(PO4)2(OH)2
Crystallography of BarbosaliteHide
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Crystal System:
Monoclinic
Class (H-M):
2/m - Prismatic
Cell Parameters:
a = 7.31 Å, b = 7.48 Å, c = 7.52 Å
β = 120.15°
Ratio:
a:b:c = 0.977 : 1 : 1.005
Morphology:
Blocky to rectangular prismatic crystal, also botryoidal.
Twinning:
Contact twins with (001) as composition surface.
Crystal StructureHide
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ID | Species | Reference | Link | Year | Locality | Pressure (GPa) | Temp (K) |
---|---|---|---|---|---|---|---|
0008412 | Barbosalite | Redhammer G J, Tippelt G, Roth G, Lottermoser W, Amthauer G (2000) Structure and Mossbauer spectroscopy of barbosalite Fe2+Fe3+2(PO4)2(OH)2 between 80 K and 300 K Physics and Chemistry of Minerals 27 419-429 | 2000 | 0 | 293 | ||
0008413 | Barbosalite | Redhammer G J, Tippelt G, Roth G, Lottermoser W, Amthauer G (2000) Structure and Mossbauer spectroscopy of barbosalite Fe2+Fe3+2(PO4)2(OH)2 between 80 K and 300 K Physics and Chemistry of Minerals 27 419-429 | 2000 | 0 | 293 |
CIF Raw Data - click here to close
X-Ray Powder DiffractionHide
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Powder Diffraction Data:
d-spacing | Intensity |
---|---|
4.84 Å | (60) |
3.361 Å | (100) |
3.313 Å | (80) |
3.239 Å | (60) |
3.160 Å | (60) |
2.327 Å | (40) |
1.309 Å | (40) |
Geological EnvironmentHide
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Type Occurrence of BarbosaliteHide
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General Appearance of Type Material:
Place of Conservation of Type Material:
National Museum, Rio de Janeiro, Brazil.
The Natural History Museum, London, England, 1965,209.
National Museum of Natural History, Washington, D.C., USA, 106842.
Geological Setting of Type Material:
Associated Minerals at Type Locality:
Synonyms of BarbosaliteHide
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Other Language Names for BarbosaliteHide
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Relationship of Barbosalite to other SpeciesHide
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Other Members of Lazulite Group:
Common AssociatesHide
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Associated Minerals Based on Photo Data:
Related Minerals - Strunz-mindat GroupingHide
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8.BB. | Moabite | NiFe3+(PO4)O | Orth. m m m _(_2/_m_2/_m_2/m ) : P n m a |
---|---|---|---|
8.BB. | Tilasite | CaMg(AsO4)F | Mon. |
8.BB. | Paulgrothite | Cu9Fe3+O4(PO4)4Cl3 | Orth. m _m_2 : C m _c_21 |
8.BB. | Karlditmarite | Cu9O4(PO4)2(SO4)2 | Tric. 1 : _P_1 |
8.BB. | Milkovoite | Cu4O(PO4)(AsO4) | Orth. m m m _(_2/_m_2/_m_2/m ) : P n m a |
8.BB.X | Arsenowagnerite | Mg2(AsO4)F | Mon. 2/m : _P_21/b |
8.BB.05 | Tavorite | LiFe3+(PO4)(OH) | Tric. 1 : _P_1 |
8.BB.05 | Amblygonite | LiAl(PO4)F | Tric. 1 : _P_1 |
8.BB.05 | Montebrasite | LiAl(PO4)(OH) | Tric. 1 : _P_1 |
8.BB.10 | Zwieselite | Fe2+2(PO4)F | Mon. 2/m : _P_21/b |
8.BB.10 | Triplite | Mn2+2(PO4)F | Mon. 2/m |
8.BB.15 | Unnamed (Sb-analogue of Auriacusite) | Fe3+Cu2+[(Sb,As)O4]O | |
8.BB.15 | Joosteite | Mn2+(Mn3+,Fe3+)(PO4)O | Mon. 2/m |
8.BB.15 | Hydroxylwagnerite | Mg2(PO4)(OH) | Mon. 2/m : _P_21/b |
8.BB.15 | Wagnerite | Mg2(PO4)F | Mon. 2/m : _P_21/b |
8.BB.15 | Stanĕkite | (Mn2+,Fe2+,Mg)Fe3+(PO4)O | Mon. 2/m : _P_21/b |
8.BB.15 | Triploidite | Mn2+2(PO4)(OH) | Mon. 2/m : _P_2/b |
8.BB.15 | Sarkinite | Mn2+2(AsO4)(OH) | Mon. 2/m : _P_21/b |
8.BB.15 | Wolfeite | Fe2+2(PO4)(OH) | Mon. 2/m : _P_21/b |
8.BB.20 | Holtedahlite | Mg2(PO4)(OH) | Trig. 3_m_ : P_31_m |
8.BB.20 | Satterlyite | (Fe2+,Mg,Fe)12(PO4)5(PO3OH)(OH,O)6 | Trig. 3_m_ _(_32/m ) : P_31_m |
8.BB.25 | Althausite | Mg4(PO4)2(OH,O)(F,◻) | Orth. m m m _(_2/_m_2/_m_2/m ) : P n m a |
8.BB.30 | Zincolivenite | CuZn(AsO4)(OH) | Orth. m m m _(_2/_m_2/_m_2/m ) : P n n m |
8.BB.30 | Adamite | Zn2(AsO4)(OH) | Orth. m m m _(_2/_m_2/_m_2/m ) : P n n m |
8.BB.30 | Libethenite | Cu2(PO4)(OH) | Orth. m m m _(_2/_m_2/_m_2/m ) : P n n m |
8.BB.30 | Zincolibethenite | CuZn(PO4)(OH) | Orth. m m m _(_2/_m_2/_m_2/m ) : P n n m |
8.BB.30 | Eveite | Mn2+2(AsO4)(OH) | Orth. m m m _(_2/_m_2/_m_2/m ) : P n n m |
8.BB.30 | Olivenite | Cu2(AsO4)(OH) | Mon. 2/m : _P_21/m |
8.BB.30 | Auriacusite | Fe3+Cu2+(AsO4)O | Orth. m m m _(_2/_m_2/_m_2/m ) : P n n m |
8.BB.35 | Paradamite | Zn2(AsO4)(OH) | Tric. 1 : _P_1 |
8.BB.35 | Tarbuttite | Zn2(PO4)(OH) | Tric. 1 : _P_1 |
8.BB.40 | Scorzalite | Fe2+Al2(PO4)2(OH)2 | Mon. 2/m : _P_21/b |
8.BB.40 | Lazulite | MgAl2(PO4)2(OH)2 | Mon. 2/m : _P_21/b |
8.BB.40 | Meizhouite | Fe2+V3+2(PO4)2(OH)2 | Mon. 2/m : _P_21/b |
8.BB.40 | Hentschelite | CuFe3+2(PO4)2(OH)2 | Mon. 2/m : _P_21/m |
8.BB.40 | Wilhelmkleinite | ZnFe3+2(AsO4)2(OH)2 | Mon. 2/m : _P_21/m |
8.BB.45 | Dokuchaevite | Cu8O2(VO4)3Cl3 | Tric. 1 : _P_1 |
8.BB.45 | Trolleite | Al4(PO4)3(OH)3 | Mon. 2/m : _B_2/b |
8.BB.45 | Yaroshevskite | Cu9O2(VO4)4Cl2 | Tric. 1 : _P_1 |
8.BB.50 | Namibite | Cu(BiO)2(VO4)(OH) | Tric. 1 : _P_1 |
8.BB.50 | Aleutite | [Cu5O2](AsO4)(VO4) · (Cu,K,Pb,Rb,Cs,)Cl | Mon. 2/m : _B_2/m |
8.BB.52a | Ericlaxmanite | Cu4O(AsO4)2 | Tric. 1 : _P_1 |
8.BB.52b | Kozyrevskite | Cu4O(AsO4)2 | Orth. m m m _(_2/_m_2/_m_2/m ) : P n m a |
8.BB.55 | Phosphoellenbergerite | (Mg,◻)2Mg12(PO4,PO3OH)6(PO3OH,CO3)2(OH)6 | Hex. 6_m_ m : P_63_m c |
8.BB.55 | Popovite | Cu5O2(AsO4)2 | Tric. 1 : _P_1 |
8.BB.60 | Urusovite | CuAl(AsO4)O | Mon. 2/m : _P_21/b |
8.BB.65 | Theoparacelsite | Cu3(As2O7)(OH)2 | Orth. m m m _(_2/_m_2/_m_2/m ) : P m m a |
8.BB.70 | Turanite | Cu5(VO4)2(OH)4 | Tric. 1 : _P_1 |
8.BB.75 | Stoiberite | Cu5(VO4)2O2 | Mon. 2/m |
8.BB.80 | Fingerite | Cu11(VO4)6O2 | Tric. 1 : _P_1 |
8.BB.85 | Averievite | Cu6(VO4)2O2Cl2 | Trig. 3 : _P_3 |
8.BB.90 | Richellite | CaFe3+2(PO4)2(OH,F)2 | Amor. |
8.BB.90 | Lipscombite | Fe2+Fe3+2(PO4)2(OH)2 | Tet. 422 : _P_41212 |
8.BB.90 | Zinclipscombite | ZnFe3+2(PO4)2(OH)2 | Tet. 422 : _P_43212 |
Fluorescence of BarbosaliteHide
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Other InformationHide
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Notes:
Soluble in warm HCl. Insouble in other acids. Attacked by Clerici solution.
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 BarbosaliteHide
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References for BarbosaliteHide
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Reference List:
Redhammer, G. J., Tippelt, G., Roth, G., Lottermoser, W., Amthauer, G. (2000) Structure and Mössbauer spectroscopy of barbosalite Fe2+Fe3+2(PO4)2(OH)2 between 80 K and 300 K. Physics and Chemistry of Minerals, 27 (6) 419-429 doi:10.1007/s002699900078
Localities for BarbosaliteHide
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This map shows a selection of localities that have latitude and longitude coordinates recorded. Click on the symbol to view information about a locality. The
symbol next to localities in the list can be used to jump to that position on the map.
Locality ListHide
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- 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.