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Bjarebyite

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About BjarebyiteHide

Gunnar Bjareby
Formula:
(Ba,Sr)(Mn2+,Fe2+,Mg)2Al2(PO4)3(OH)3
Colour:
Emerald green
Lustre:
Sub-Adamantine
Hardness:
4
Crystal System:
Monoclinic
Name:
Named in 1973 by Paulus B. Moore, Dennis H. Lund, and K. L. Keester in honor of Alfred Gunnar Bjareby [February 11, 1899, Forslovsholm, Sweden - June 1967 Boston, Massachusetts, USA], Swedish-American artist and noted mineral collector.
This page provides mineralogical data about Bjarebyite.


Classification of BjarebyiteHide

Approved
8.BH.20

8 : PHOSPHATES, ARSENATES, VANADATES
B : Phosphates, etc., with additional anions, without H2O
H : With medium-sized and large cations, (OH,etc.):RO4 = 1:1
41.9.1.3

41 : ANHYDROUS PHOSPHATES, ETC.CONTAINING HYDROXYL OR HALOGEN
9 : (AB)5(XO4)3Zq
19.5.13

19 : Phosphates
5 : Phosphates of Sr and Ba

Physical Properties of BjarebyiteHide

Sub-Adamantine
Colour:
Emerald green
Streak:
White
Hardness:

Optical Data of BjarebyiteHide

Type:
Biaxial (+)
RI values:
nα = 1.692 nβ = 1.695 nγ = 1.710
2V:
Measured: 35° , Calculated: 50°
Max Birefringence:
δ = 0.018
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Surface Relief:
High
Dispersion:
weak to distinct

Chemical Properties of BjarebyiteHide

Formula:
(Ba,Sr)(Mn2+,Fe2+,Mg)2Al2(PO4)3(OH)3
IMA Formula:
BaMn2+2Al2(PO4)3(OH)3

Chemical AnalysisHide

Oxide wt%:
 1
P2O532,96 %
Al2O313,25 %
Fe2O33,3 %
FeO5,94 %
MnO15,98 %
H2O4,7 %
Total:72 %
Sample references:
IDLocalityReference
1Buranga pegmatite, Gatumba, Ngororero District, Western Province, Rwandavon Knorring, O. and Fransolet, A.-M. (1975) An occurrence of bjarebyite in the Buranga pegmatite, Rwanda. Schweizerische Mineralogische und Petrographische Mitteilungen: 55: 9-18.

Crystallography of BjarebyiteHide

Crystal System:
Monoclinic
Cell Parameters:
a = 8.93 Å, b = 12.07 Å, c = 4.91 Å
β = 100.15°
Ratio:
a:b:c = 0.74 : 1 : 0.407
Unit Cell V:
520.94 ų (Calculated from Unit Cell)

Type Occurrence of BjarebyiteHide

Synonyms of BjarebyiteHide

Other Language Names for BjarebyiteHide

Relationship of Bjarebyite to other SpeciesHide

Other Members of this group:
JohntomaiteBaFe2+2Fe3+2(PO4)3(OH)3Mon. 2/m : P21/m
KulaniteBa(Fe2+,Mn2+,Mg)2(Al,Fe3+)2(PO4)3(OH)3Mon.
PenikisiteBa(Mg,Fe2+,Ca)2Al2(PO4)3(OH)3Mon. 2/m : P21/m
PerloffiteBa(Mn2+,Fe2+)2Fe3+2(PO4)3(OH)3Mon. 2/m : P21/m

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.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.35GabrielsonitePbFe3+(As3+O3)OOrth. mm2 : Pmc21
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

41.9.1.1KulaniteBa(Fe2+,Mn2+,Mg)2(Al,Fe3+)2(PO4)3(OH)3Mon.
41.9.1.2PenikisiteBa(Mg,Fe2+,Ca)2Al2(PO4)3(OH)3Mon. 2/m : P21/m
41.9.1.4PerloffiteBa(Mn2+,Fe2+)2Fe3+2(PO4)3(OH)3Mon. 2/m : P21/m

Related Minerals - Hey's Chemical Index of Minerals GroupingHide

19.5.1StrontiowhitlockiteSr9Mg(PO4)6(HPO4)Trig. 3m : R3c
19.5.2Belovite-(Ce)NaCeSr3(PO4)3FTrig. 3 : P3
19.5.3GoyaziteSrAl3(PO4)(PO3OH)(OH)6Trig. 3m (3 2/m) : R3m
19.5.4GoedkeniteSr2Al(PO4)2(OH)Mon. 2/m : P21/m
19.5.5Palermoite(Li,Na)2(Sr,Ca)Al4(PO4)4(OH)4Orth.
19.5.6NabaphiteNaBaPO4 · 9H2OIso.
19.5.7Olgite(Sr,Ba)(Na,Sr,REE)2Na(PO4)2Trig. 3m (3 2/m) : P3m1
19.5.8NastrophiteNa(Sr,Ba)PO4 · 9H2O
19.5.9JagoweriteBaAl2(PO4)2(OH)2Tric.
19.5.10GorceixiteBaAl3(PO4)(PO3OH)(OH)6Mon. m : Bm
19.5.11PenikisiteBa(Mg,Fe2+,Ca)2Al2(PO4)3(OH)3Mon. 2/m : P21/m
19.5.12CuretoniteBa(Al,Ti)(PO4)(OH,O)FMon. 2/m
19.5.14KulaniteBa(Fe2+,Mn2+,Mg)2(Al,Fe3+)2(PO4)3(OH)3Mon.
19.5.15PerloffiteBa(Mn2+,Fe2+)2Fe3+2(PO4)3(OH)3Mon. 2/m : P21/m

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 BjarebyiteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Moore, P.B., Lund, D.H., and Keester, K.L. (1973) Bjarebyite, (Ba,Sr)(Mn,Fe,Mg)2Al2(OH)3(PO4)3, a new species. Mineralogical Record: 4: 282-285.
Fleischer, M. (1974) New mineral names. American Mineralogist: 59: 873-875.
Moore, P.B. and Araki, T. (1974) Bjarebyite, Ba(Mn,Fe)2+2Al2(OH)3[PO4]3: Its atomic arrangement. American Mineralogist: 59: 567-572.
von Knorring, O. and Fransolet, A.-M. (1975) An occurrence of bjarebyite in the Buranga pegmatite, Rwanda. Schweizerische Mineralogische und Petrographische Mitteilungen: 55: 9-18.
Thomasson, R. (1983) M.Sc. thesis, Lund University, 30 pp.
Svensson et al (2002) GFF: 124: 41-43.
Bowman, M.G., Downs, R.T., and Yang, H. (2013) Penikisite, BaMg2Al2(PO4)3(OH)3, isostructural with bjarebyite. Acta Crystallographica: E69: i4-i5.

Internet Links for BjarebyiteHide

Localities for BjarebyiteHide

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.
Austria
 
  • Carinthia
    • Millstatt lake ridge
      • Spittal
        • Wolfsberg
G. Niedermayr, I. Praetzel: Mineralien Kärntens, 1995; Walter, F. (1998): Exkursion E4 am 27.9.1998 - MinPet 98 (Pörtschach am Wörthersee/Kärnten) - Die Pegmatite des Millstätter See-Rückens. Mitt. Österr. Mineral. Ges. 143, 437-450. [http://www.uibk.ac.at/mineralogie/oemg/bd_143/143minpet98_437-450.pdf]
Canada
 
  • Yukon
    • Dawson mining district
ROBINSON, G.W., VAN VELTHUIZEN, J., ANSELL, H.G. & STURMAN, B.D. (1992): Mineralogy of the Rapid Creek and Big Fish River area, Yukon Territory. Mineralogical Record 23, 1-47.
Rwanda
 
  • Western Province
    • Ngororero District
      • Gatumba
von Knorring, O. (1969) A note on the phosphate mineralisation at the Buranga pegmatite, Rwanda. Bulletin du Service Geologique de la Republique du Rwanda: 5: 42-45.; von Knorring, O. (1973) Notes on pegmatite minerals from Rwanda, Uganda and South West Africa. 17th annual Report Res. Inst. afr. Geol., Univ. Leeds, 72-73.; von Knorring, O. and Fransolet, A.-M. (1975) An occurrence of bjarebyite in the Buranga pegmatite, Rwanda. Schweizerische Mineralogische und Petrographische Mitteilungen: 55: 9-18.; Daltry, V.D.C. and von Knorring, O. (1998) Type-mineralogy of Rwanda with particular reference to the Buranga pegmatite. Geologica Belgica: 1: 9-15.
Sweden
 
  • Skåne
    • Bromölla
      • Näsum
Thomasson, R. (1983): Bjarebyit, (Ba,Sr)(Mn,Fe2+)2(Al,Fe3+)2(PO4)3(OH)3, ett nytt fosfatmineral från Västanå Järngruva, Skåne- En undersökning av kristallstrukturen. M.Sc. thesis, Lunds Universitet, Lund, Sweden. 30p
USA
 
  • New Hampshire
    • Grafton Co.
      • Groton
Rocks & Min. 80:251
Mineralogical Record (1973) 4: 103-130.; Moore, P.B., Lund, D.H., and Keester, K.L. (1973) Bjarebyite, (Ba,Sr)(Mn,Fe,Mg)2Al2(OH)3(PO4)3, a new species. Mineralogical Record: 4: 282-285.; von Knorring, O. and Fransolet, A.-M. (1975) An occurrence of bjarebyite in the Buranga pegmatite, Rwanda. Schweizerische Mineralogische und Petrographische Mitteilungen: 55: 9-18.; Daltry, V.D.C. and von Knorring, O. (1998) Type-mineralogy of Rwanda with particular reference to the Buranga pegmatite. Geologica Belgica: 1: 9-15.
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