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Joosteite

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Formula:
Mn2+(Mn3+,Fe3+)(PO4)O
Colour:
grey with a brownish tinge, dark brown in thin section
Lustre:
Sub-Metallic
Hardness:
4
Specific Gravity:
4.13 (Calculated)
Crystal System:
Monoclinic
Member of:
Name:
Named for Mrs. Charlotte Jooste (1920-2009), Karibib, Namibia, for her support of pegmatite research in Central Namibia.
Wagnerite Group.
The Mn3+ analogue of stanĕkite.


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Classification of JoosteiteHide

Approved
Approval Year:
2005
8.BB.15

8 : PHOSPHATES, ARSENATES, VANADATES
B : Phosphates, etc., with additional anions, without H2O
B : With only medium-sized cations, (OH, etc.):RO4 about 1:1
41.6.3.5

41 : ANHYDROUS PHOSPHATES, ETC.CONTAINING HYDROXYL OR HALOGEN
6 : A2(XO4)Zq

Pronounciation of JoosteiteHide

Pronounciation:
PlayRecorded byCountry
Debbie WoolfUnited Kingdom

Physical Properties of JoosteiteHide

Sub-Metallic
Transparency:
Opaque
Comment:
weak
Colour:
grey with a brownish tinge, dark brown in thin section
Hardness:
Tenacity:
Brittle
Cleavage:
None Observed
Density:
4.13 g/cm3 (Calculated)

Chemical Properties of JoosteiteHide

Formula:
Mn2+(Mn3+,Fe3+)(PO4)O
IMA Formula:
Mn2+Mn3+O(PO4)

Crystallography of JoosteiteHide

Crystal System:
Monoclinic
Class (H-M):
2/m - Prismatic
Cell Parameters:
a = 11.888(2) Å, b = 6.409(1) Å, c = 9.804(2) Å
β = 106.17(3)°
Ratio:
a:b:c = 1.855 : 1 : 1.53
Unit Cell V:
717.3 ų
Z:
8
Twinning:
not observed

X-Ray Powder DiffractionHide

Powder Diffraction Data:
d-spacingIntensity
2.819 (100)
3.077 (80)
3.209 (60)
2.082 (50)
1.787 (50)
1.495 (50)

Type Occurrence of JoosteiteHide

General Appearance of Type Material:
irregular small aggregates up to 3mm in length
Place of Conservation of Type Material:
Universitat Stuttgart, Germany; Museum d'Histoire Naturelle de Toulouse, France, and the Department de Mineralogia y Petrologia, Universidad del Pais Vasco, Bilbao, Spain
Geological Setting of Type Material:
granitic rare element pegmatite

Synonyms of JoosteiteHide

Relationship of Joosteite to other SpeciesHide

Member of:
Other Members of this group:
ArsenowagneriteMg2(AsO4)FMon. 2/m : P21/b
HydroxylwagneriteMg2(PO4)(OH)Mon. 2/m : P21/b
SarkiniteMn2+2(AsO4)(OH)Mon. 2/m : P2/m
Stanĕkite(Mn2+,Fe2+,Mg)Fe3+(PO4)OMon.
Wagnerite(Mg,Fe2+)2(PO4)FMon. 2/m : P21/b

Related Minerals - Nickel-Strunz GroupingHide

8.BB.XArsenowagneriteMg2(AsO4)FMon. 2/m : P21/b
8.BB.05AmblygoniteLiAl(PO4)FTric. 1 : P1
8.BB.05MontebrasiteLiAl(PO4)(OH)Tric. 1 : P1
8.BB.05TavoriteLiFe3+(PO4)(OH)Tric. 1 : P1
8.BB.10Triplite(Mn2+,Fe2+)2(PO4)(F,OH)Mon. 2/m
8.BB.10Zwieselite(Fe2+,Mn2+)2(PO4)FMon. 2/m : P21/b
8.BB.15SarkiniteMn2+2(AsO4)(OH)Mon. 2/m : P2/m
8.BB.15Triploidite(Mn2+,Fe2+)2(PO4)(OH)Mon. 2/m : P2/b
8.BB.15Wagnerite(Mg,Fe2+)2(PO4)FMon. 2/m : P21/b
8.BB.15Wolfeite(Fe2+,Mn2+)2(PO4)(OH)Mon. 2/m : P21/b
8.BB.15Stanĕkite(Mn2+,Fe2+,Mg)Fe3+(PO4)OMon.
8.BB.15HydroxylwagneriteMg2(PO4)(OH)Mon. 2/m : P21/b
8.BB.20HoltedahliteMg2(PO4)(OH)Trig. 3m : P3 1m
8.BB.20Satterlyite(Fe2+,Mg,Fe)12(PO4)5(PO3OH)(OH,O)6Trig. 3m (3 2/m) : P3 1m
8.BB.25AlthausiteMg4(PO4)2(OH,O)(F,☐)Orth. mmm (2/m 2/m 2/m) : Pnma
8.BB.30AdamiteZn2(AsO4)(OH)Orth. mmm (2/m 2/m 2/m) : Pnnm
8.BB.30EveiteMn2+2(AsO4)(OH)Orth. mmm (2/m 2/m 2/m) : Pnnm
8.BB.30LibetheniteCu2(PO4)(OH)Orth. mmm (2/m 2/m 2/m) : Pnnm
8.BB.30OliveniteCu2(AsO4)(OH)Mon. 2/m : P21/m
8.BB.30ZincolibetheniteCuZn(PO4)(OH)Orth. mmm (2/m 2/m 2/m) : Pnnm
8.BB.30ZincoliveniteCuZn(AsO4)(OH)Orth. mmm (2/m 2/m 2/m) : Pnnm
8.BB.30AuriacusiteFe3+Cu2+(AsO4)OOrth. mmm (2/m 2/m 2/m) : Pnnm
8.BB.35ParadamiteZn2(AsO4)(OH)Tric. 1 : P1
8.BB.35TarbuttiteZn2(PO4)(OH)Tric. 1 : P1
8.BB.40BarbosaliteFe2+Fe3+2(PO4)2(OH)2Mon. 2/m : P21/b
8.BB.40HentscheliteCuFe3+2(PO4)2(OH)2Mon.
8.BB.40LazuliteMgAl2(PO4)2(OH)2Mon. 2/m : P21/b
8.BB.40ScorzaliteFe2+Al2(PO4)2(OH)2Mon. 2/m : P21/b
8.BB.40WilhelmkleiniteZnFe3+2(AsO4)2(OH)2Mon.
8.BB.45TrolleiteAl4(PO4)3(OH)3Mon. 2/m : B2/b
8.BB.50NamibiteCu(BiO)2(VO4)(OH)Tric. 1 : P1
8.BB.55Phosphoellenbergerite(Mg,◻)2Mg12(PO4,PO3OH)6(PO3OH,CO3)2(OH)6Hex.
8.BB.60UrusoviteCuAl(AsO4)OMon.
8.BB.65TheoparacelsiteCu3(As2O7)(OH)2Orth.
8.BB.70TuraniteCu5(VO4)2(OH)4Tric. 1 : P1
8.BB.75StoiberiteCu5(VO4)2O2Mon.
8.BB.80FingeriteCu11(VO4)6O2Tric. 1 : P1
8.BB.85AverieviteCu6(VO4)2O2Cl2Trig.
8.BB.90LipscombiteFe2+Fe3+2(PO4)2(OH)2Tet.
8.BB.90RichelliteCaFe3+2(PO4)2(OH,F)2Amor.
8.BB.90ZinclipscombiteZnFe3+2(PO4)2(OH)2Tet. 4 2 2 : P43 21 2

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

41.6.3.1Wolfeite(Fe2+,Mn2+)2(PO4)(OH)Mon. 2/m : P21/b
41.6.3.2Triploidite(Mn2+,Fe2+)2(PO4)(OH)Mon. 2/m : P2/b
41.6.3.3SarkiniteMn2+2(AsO4)(OH)Mon. 2/m : P2/m
41.6.3.4Stanĕkite(Mn2+,Fe2+,Mg)Fe3+(PO4)OMon.

Fluorescence of JoosteiteHide

no fluorescence

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 JoosteiteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Keller, P, Fontan, F., Roldan, F. V., & P.de Parseval,:"Joosteite, Mn2+(Mn3+, Fe3+)(PO4)O: a new phosphate mineral from the Helikon II Mine, Karibib, Namibia" : Neues Jahrbuch für Mineralogie,Abhandlungen, 183(2), 197-201 (2007)

Internet Links for JoosteiteHide

Localities for JoosteiteHide

ⓘ - 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.
Namibia (TL)
 
  • Erongo Region
    • Karibib
      • Okongava Ost Farm 72
Keller, P., et al. (2007): NJMA 183,197-201(2007)
Poland
 
  • Lower Silesia
    • Dzierżoniów District
      • Piława Górna (Ober Peilau; Gnadenfrei)
        • DSS Piława Górna Quarry
Pieczka, A., Włodek, A., Gołębiowska, B., Szełęg, E., Szuszkiewicz, A., Ilnicki, S., Nejbert, K., Turniak, K. (2015): Phosphate-bearing pegmatites in the Góry Sowie Block and adjacent areas, Sudetes, SW Poland. 7th International Symposium on Granitic Pegmatites, PEG 2015 Książ, Poland. Abstracts: 77-78
Mineral and/or Locality  
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