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Gabrielsonite

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Gabrielsonite

Långban, Filipstad, Värmland, Sweden
Gabrielsonite, etc.

Långban, Filipstad, Värmland, Sweden
Gabrielsonite

Långban, Filipstad, Värmland, Sweden
Gabrielsonite, etc.

Långban, Filipstad, Värmland, Sweden
Gabrielsonite

Långban, Filipstad, Värmland, Sweden
Gabrielsonite, etc.

Långban, Filipstad, Värmland, Sweden
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About GabrielsoniteHide

Formula:
PbFe3+(As3+O3)O
Colour:
Greenish-brown, black
Lustre:
Adamantine
Hardness:
3½
Specific Gravity:
6.67
Crystal System:
Orthorhombic
Name:
Named by Paul (Paulus) Brian Moore in 1967 in honor of Swedish mineralogist, Olof Erik Gabrielson (December 10, 1912 Örebro, Sweden - January 28, 1980) who was at the University of Stockholm and later at the Swedish Museum of Natural History.
Adelite-Descloizite Group.

The crystal structure is unsolved; it appears to be microtwinned (U. Kolitsch, unpubl. results).

IMA proposal 17-G was accepted and the former formula, PbFeAsO4(OH), was changed. It makes the mineral an arsenite instead of an arsenate.


Classification of GabrielsoniteHide

IMA status:
Approved
Notes:
Redefined by the IMA
Approval Year:
1966
Approval History:
IMA 17-G
Strunz 8th ed.:
7/B.26-70
Nickel-Strunz 10th (pending) ed.:
8.BH.35

8 : PHOSPHATES, ARSENATES, VANADATES
B : Phosphates, etc., with additional anions, without H2O
H : With medium-sized and large cations, (OH,etc.):RO4 = 1:1
Dana 8th ed.:
41.5.1.5

41 : ANHYDROUS PHOSPHATES, ETC.CONTAINING HYDROXYL OR HALOGEN
5 : (AB)2(XO4)Zq
Hey's CIM Ref.:
20.5.11

20 : Arsenates (also arsenates with phosphate, but without other anions)
5 : Arsenates of Ti and Pb

Physical Properties of GabrielsoniteHide

Lustre:
Adamantine
Transparency:
Translucent
Colour:
Greenish-brown, black
Streak:
Light brown
Hardness:
3½ on Mohs scale
Tenacity:
Brittle
Cleavage:
None Observed
Fracture:
Irregular/Uneven, Sub-Conchoidal
Density:
6.67 g/cm3 (Measured)    6.69 g/cm3 (Calculated)

Optical Data of GabrielsoniteHide

Type:
Biaxial (-)
RI values:
n = 2.
2V:
Measured: 80° to 90°
Max Birefringence:
δ = 0.000
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Surface Relief:
Very High
Dispersion:
r
Optical Extinction:
Parallel
Pleochroism:
Strong
Comments:
X, Z = olive green, Y = red brown. Y > X = Z

Chemical Properties of GabrielsoniteHide

Formula:
PbFe3+(As3+O3)O
IMA Formula:
PbFe(AsO4)(OH)
Elements listed:
As, Fe, O, Pb - search for minerals with similar chemistry

Crystallography of GabrielsoniteHide

Crystal System:
Orthorhombic
Class (H-M):
mm2 - Pyramidal
Space Group:
Pmc21
Cell Parameters:
a = 7.86 Å, b = 5.98 Å, c = 8.62 Å
Ratio:
a:b:c = 1.314 : 1 : 1.441
Unit Cell V:
405.16 ų (Calculated from Unit Cell)
Z:
4
Morphology:
Granular
Comment:
P21ma

X-Ray Powder DiffractionHide

Powder Diffraction Data:
d-spacingIntensity
4.91 (30)
3.93 (30)
3.19 (100)
3.07 (100)
2.71 (40)
2.65 (40)
1.622 (40)
1.438 (40)
Comments:
ICDD 20-583

Type Occurrence of GabrielsoniteHide

Type Locality:
ⓘ Långban, Filipstad, Värmland, Sweden
General Appearance of Type Material:
black grains to several mm
Geological Setting of Type Material:
Manganese and arsenic mineralized skarn
Associated Minerals at Type Locality:
Roméite GroupNadoriteFinnemaniteCalciteBaryte

Synonyms of GabrielsoniteHide

Other Language Names for GabrielsoniteHide

Simplified Chinese:羟砷铁铅矿
Traditional Chinese:羥砷鐵鉛礦

Relationship of Gabrielsonite to other SpeciesHide

Member of:
Adelite-Descloizite Group
Other Members of this group:
AdeliteCaMg(AsO4)(OH)Orth. 2 2 2 : P21 21 21
ArsendescloizitePbZn(AsO4)(OH)Orth. 2 2 2 : P21 21 21
AustiniteCaZn(AsO4)(OH)Orth. 2 2 2 : P21 21 21
ČechitePbFe2+(VO4)(OH)Orth. mmm (2/m 2/m 2/m)
CobaltaustiniteCaCo(AsO4)(OH)Orth. 2 2 2 : P21 21 21
ConichalciteCaCu(AsO4)(OH)Orth. 2 2 2 : P21 21 21
DescloizitePbZn(VO4)(OH)Orth. mmm (2/m 2/m 2/m) : Pnma
DuftitePbCu(AsO4)(OH)Orth. 2 2 2 : P21 21 21
Duftite-alphaPbCu(AsO4)(OH)
GottlobiteCaMg(VO4,AsO4)(OH)Orth. 2 2 2 : P21 21 21
HermannroseiteCaCu(PO4)(OH)Orth. 2 2 2 : P21 21 21
MottramitePbCu(VO4)(OH)Orth. mmm (2/m 2/m 2/m) : Pnma
NickelaustiniteCaNi(AsO4)(OH)Orth. 2 2 2 : P21 21 21
PyrobelonitePbMn2+(VO4)(OH)Orth. mmm (2/m 2/m 2/m) : Pnma
TangeiteCaCu(VO4)(OH)Orth. 2 2 2 : P21 21 21
VuagnatiteCaAl(SiO4)(OH)Orth.

Related Minerals - Nickel-Strunz GroupingHide

8.BH.05ThadeuiteCa(Mg,Fe2+)3(PO4)2(OH,F)2Orth. 2 2 2 : C2 2 21
8.BH.10DurangiteNaAl(AsO4)FMon. 2/m : B2/b
8.BH.10IsokiteCaMg(PO4)FMon. 2/m : B2/b
8.BH.10LacroixiteNaAl(PO4)FMon. 2/m : B2/b
8.BH.10MaxwelliteNaFe3+(AsO4)FMon.
8.BH.10PanasqueiraiteCaMg(PO4)(OH,F)Mon.
8.BH.10TilasiteCaMg(AsO4)FMon. m : Bb
8.BH.15DrugmanitePb2(Fe3+,Al)(PO4)(PO3OH)(OH)2Mon. 2/m : P21/b
8.BH.20Bjarebyite(Ba,Sr)(Mn2+,Fe2+,Mg)2Al2(PO4)3(OH)3Mon.
8.BH.20CirroliteCa3Al2(PO4)3(OH)3 (?)
8.BH.20KulaniteBa(Fe2+,Mn2+,Mg)2(Al,Fe3+)2(PO4)3(OH)3Mon.
8.BH.20PenikisiteBa(Mg,Fe2+,Ca)2Al2(PO4)3(OH)3Mon. 2/m : P21/m
8.BH.20PerloffiteBa(Mn2+,Fe2+)2Fe3+2(PO4)3(OH)3Mon. 2/m : P21/m
8.BH.20JohntomaiteBaFe2+2Fe3+2(PO4)3(OH)3Mon. 2/m : P21/m
8.BH.25Bertossaite(Li,Na)2(Ca,Fe2+,Mn2+)Al4(PO4)4(OH,F)4Orth.
8.BH.25Palermoite(Li,Na)2(Sr,Ca)Al4(PO4)4(OH)4Orth.
8.BH.30CarminitePbFe3+2(AsO4)2(OH)2Orth. mmm (2/m 2/m 2/m) : Cccm
8.BH.30SewarditeCaFe3+2(AsO4)2(OH)2Orth. mmm (2/m 2/m 2/m) : Cccm
8.BH.35AdeliteCaMg(AsO4)(OH)Orth. 2 2 2 : P21 21 21
8.BH.35ArsendescloizitePbZn(AsO4)(OH)Orth. 2 2 2 : P21 21 21
8.BH.35AustiniteCaZn(AsO4)(OH)Orth. 2 2 2 : P21 21 21
8.BH.35CobaltaustiniteCaCo(AsO4)(OH)Orth. 2 2 2 : P21 21 21
8.BH.35ConichalciteCaCu(AsO4)(OH)Orth. 2 2 2 : P21 21 21
8.BH.35DuftitePbCu(AsO4)(OH)Orth. 2 2 2 : P21 21 21
8.BH.35NickelaustiniteCaNi(AsO4)(OH)Orth. 2 2 2 : P21 21 21
8.BH.35TangeiteCaCu(VO4)(OH)Orth. 2 2 2 : P21 21 21
8.BH.35GottlobiteCaMg(VO4,AsO4)(OH)Orth. 2 2 2 : P21 21 21
8.BH.35HermannroseiteCaCu(PO4)(OH)Orth. 2 2 2 : P21 21 21
8.BH.40ČechitePbFe2+(VO4)(OH)Orth. mmm (2/m 2/m 2/m)
8.BH.40DescloizitePbZn(VO4)(OH)Orth. mmm (2/m 2/m 2/m) : Pnma
8.BH.40MottramitePbCu(VO4)(OH)Orth. mmm (2/m 2/m 2/m) : Pnma
8.BH.40PyrobelonitePbMn2+(VO4)(OH)Orth. mmm (2/m 2/m 2/m) : Pnma
8.BH.45BayldonitePbCu3(AsO4)2(OH)2Mon. 2/m : B2/b
8.BH.45VésigniéiteBaCu3(VO4)2(OH)2Mon. 2/m : B2/m
8.BH.50PaganoiteNiBi(AsO4)OTric.
8.BH.55JagoweriteBaAl2(PO4)2(OH)2Tric.
8.BH.60Attakolite(Ca,Sr)Mn(Al,Fe)4(HPO4,PO4)3(SiO4,PO4)(OH)4Mon. 2/m : B2/m
8.BH.65LeningraditePbCu3(VO4)2ClOrth. mmm (2/m 2/m 2/m) : Ibam

Related Minerals - Dana Grouping (8th Ed.)Hide

41.5.1.1AdeliteCaMg(AsO4)(OH)Orth. 2 2 2 : P21 21 21
41.5.1.2ConichalciteCaCu(AsO4)(OH)Orth. 2 2 2 : P21 21 21
41.5.1.3AustiniteCaZn(AsO4)(OH)Orth. 2 2 2 : P21 21 21
41.5.1.4DuftitePbCu(AsO4)(OH)Orth. 2 2 2 : P21 21 21
41.5.1.6TangeiteCaCu(VO4)(OH)Orth. 2 2 2 : P21 21 21
41.5.1.7NickelaustiniteCaNi(AsO4)(OH)Orth. 2 2 2 : P21 21 21
41.5.1.8CobaltaustiniteCaCo(AsO4)(OH)Orth. 2 2 2 : P21 21 21
41.5.1.9ArsendescloizitePbZn(AsO4)(OH)Orth. 2 2 2 : P21 21 21
41.5.1.11HermannroseiteCaCu(PO4)(OH)Orth. 2 2 2 : P21 21 21

Related Minerals - Hey's Chemical Index of Minerals GroupingHide

20.5.1CafarsiteCa5.9Mn1.7Fe3Ti3(AsO3)12 · 4-5H2OIso. m3 (2/m 3) : Pn3
20.5.2SchultenitePb(HAsO4)Mon. 2/m : P2/b
20.5.3DuftitePbCu(AsO4)(OH)Orth. 2 2 2 : P21 21 21
20.5.4BayldonitePbCu3(AsO4)2(OH)2Mon. 2/m : B2/b
20.5.5PhilipsbornitePbAl3(AsO4)(AsO3OH)(OH)6Trig.
20.5.6ArsendescloizitePbZn(AsO4)(OH)Orth. 2 2 2 : P21 21 21
20.5.7HelmutwinkleritePb(Zn,Cu)2(AsO4)2 · 2H2OTric.
20.5.8ThometzekitePbCu2+2(AsO4)2 · 2H2OMon. 2/m : B2/m
20.5.9Caryinite(Na,Pb)(Ca,Na)CaMn2+2(AsO4)3Mon. 2/m
20.5.10LudlockitePbFe3+4As3+10O22Tric. 1 : P1
20.5.12CarminitePbFe3+2(AsO4)2(OH)2Orth. mmm (2/m 2/m 2/m) : Cccm
20.5.13SegnititePbFe3+3AsO4(AsO3OH)(OH)6Trig. 3m (3 2/m) : R3m
20.5.14TsumcoritePbZn2(AsO4)2 · 2H2OMon.
20.5.15JamesitePb2Zn(Fe2+,Zn)2Fe3+4(AsO4)4(OH)10Tric.
20.5.16MawbyitePb(Fe3+,Zn)2(AsO4)2 · 2(OH,H2O)Mon.
20.5.17ArsenbrackenbuschitePb2Fe3+(AsO4)2(OH)

Fluorescence of GabrielsoniteHide

In UV light:
Not fluorescent

Other InformationHide

Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

References for GabrielsoniteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Moore, Paul (Paulus) Brian, 1967, [Gabrielsonite], Arkiv. Min. Geol., 4: 401
(abstract) American Mineralogist: 53: 1063-1064.

Internet Links for GabrielsoniteHide

Localities for GabrielsoniteHide

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

- This locality has map coordinates listed. - This locality has estimated coordinates. ⓘ - Click for 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 (eg from pseudomorphs.)

All localities listed without proper references should be considered as questionable.
Sweden (TL)
 
  • Värmland
    • Filipstad
Arkiv Min.Geol.(1967) 4, 401-405; Clark, 1993, 249 - "Hey's Mineral Index - 3rd Edition"; Nysten, P., Holtstam, D. and Jonsson, E. (1999) The Långban minerals. In Långban - The mines,their minerals, geology and explorers (D. Holtstam and J. Langhof, eds.), Swedish Museum of Natural History and Raster Förlag, Stockholm & Chr. Weise Verlag, Munich, pp. 89-183.
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