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Sahlinite

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Formula:
Pb14(AsO4)2O9Cl4
Colour:
Pale yellow
Hardness:
2 - 3
Specific Gravity:
7.95
Crystal System:
Monoclinic
Name:
Named after Carl Sahlin, General Manager of the iron works in Sweden.
This page provides mineralogical data about Sahlinite.


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Classification of SahliniteHide

Approved, 'Grandfathered' (first described prior to 1959)
3/D.10-170
8.BO.20

8 : PHOSPHATES, ARSENATES, VANADATES
B : Phosphates, etc., with additional anions, without H2O
O : With only large cations, (OH, etc.):RO4 about 1:1
41.1.4.1

41 : ANHYDROUS PHOSPHATES, ETC.CONTAINING HYDROXYL OR HALOGEN
1 : (AB)m(XO4)pZq, where m:p > 4:1
22.2.12

22 : Phosphates, Arsenates or Vanadates with other Anions
2 : Phosphates, arsenates or vanadates with chloride

Physical Properties of SahliniteHide

Colour:
Pale yellow
Hardness:
2 - 3 on Mohs scale
Cleavage:
Perfect
On {010}, perfect.
Density:
7.95 g/cm3 (Measured)    

Optical Data of SahliniteHide

Type:
Biaxial (-)
RI values:
nα = 3.300
Max Birefringence:
δ = 3.300
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Surface Relief:
Moderate
Dispersion:
marked to extreme

Chemical Properties of SahliniteHide

Formula:
Pb14(AsO4)2O9Cl4
IMA Formula:
Pb14O9(AsO4)2Cl4

Crystallography of SahliniteHide

Crystal System:
Monoclinic
Cell Parameters:
a = 12.71 Å, b = 22.49 Å, c = 11.36 Å
β = 118.99°
Ratio:
a:b:c = 0.565 : 1 : 0.505
Unit Cell V:
2,840.37 ų (Calculated from Unit Cell)
Morphology:
Aggregates of small thin scales.

Type Occurrence of SahliniteHide

General Appearance of Type Material:
Aggregates of small, thin scales.
Geological Setting of Type Material:
Dolomitic rock
Associated Minerals at Type Locality:

Other Language Names for SahliniteHide

German:Sahlinit
Spanish:Sahlinita

Common AssociatesHide

Associated Minerals Based on Photo Data:
Magnesioferrite4 photos of Sahlinite associated with Magnesioferrite on mindat.org.
Asisite2 photos of Sahlinite associated with Asisite on mindat.org.
Calcite2 photos of Sahlinite associated with Calcite on mindat.org.
Hausmannite1 photo of Sahlinite associated with Hausmannite on mindat.org.
Hereroite1 photo of Sahlinite associated with Hereroite on mindat.org.
Vladkrivovichevite1 photo of Sahlinite associated with Vladkrivovichevite on mindat.org.
Kombatite1 photo of Sahlinite associated with Kombatite on mindat.org.
Barysilite1 photo of Sahlinite associated with Barysilite on mindat.org.

Related Minerals - Nickel-Strunz GroupingHide

8.BO.05NacaphiteNa2Ca(PO4)FMon. 2/m : P21/b
8.BO.10PreisingeriteBi3(AsO4)2O(OH)Tric. 1 : P1
8.BO.10PetitjeaniteBi3(PO4)2O(OH)Tric.
8.BO.10SchumacheriteBi3(VO4)2O(OH)Tric.
8.BO.15AtelestiteBi2(AsO4)O(OH)Mon. 2/m
8.BO.15HechtsbergiteBi2(VO4)O(OH)Mon. 2/m : P21/b
8.BO.15SmrkoveciteBi2(PO4)O(OH)Mon. 2/m : P21/b
8.BO.20KombatitePb14(VO4)2O9Cl4Mon.
8.BO.25HeneuiteCaMg5(CO3)(PO4)3(OH)Tric. 1 : P1
8.BO.30NefedoviteNa5Ca4(PO4)4FTric.
8.BO.35Kuznetsovite(Hg+2)Hg2+(AsO4)ClIso. 2 3 : P21 3
8.BO.40Artsmithite(Hg+2)2Al(PO4)1.74(OH)1.78Mon. 2/m : B2/b
8.BO.45SchlegeliteBi7(AsO4)3(MoO4)2O4Orth. mmm (2/m 2/m 2/m)

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

41.1.4.2KombatitePb14(VO4)2O9Cl4Mon.

Related Minerals - Hey's Chemical Index of Minerals GroupingHide

22.2.1SampleiteNaCaCu5(PO4)4Cl · 5H2OOrth. mmm (2/m 2/m 2/m) : Cmmm
22.2.2LavendulanNaCaCu5(AsO4)4Cl · 5H2OMon. 2/m
22.2.3ChlorapatiteCa5(PO4)3ClHex. 6/m : P63/m
22.2.4TurneaureiteCa5(AsO4)3ClHex.
22.2.5ShubnikoviteCa2Cu8(AsO4)6(OH)Cl · 7H2O
22.2.6RichelsdorfiteCa2Cu5Sb(AsO4)4(OH)6Cl · 6H2OMon. 2/m
22.2.7AlforsiteBa5(PO4)3ClHex. 6/m : P63/m
22.2.8MorelanditeCa2Ba3(AsO4)3Cl
22.2.9PyromorphitePb5(PO4)3ClHex. 6/m : P63/m
22.2.10MimetitePb5(AsO4)3ClHex. 6/m : P63/m
22.2.11Mimetite-MPb5(AsO4)3ClMon. 2/m : P21/b
22.2.13GeorgiadèsitePb4(AsO3)Cl4(OH)Mon.
22.2.14VanadinitePb5(VO4)3ClHex. 6/m : P63/m
22.2.15KombatitePb14(VO4)2O9Cl4Mon.
22.2.16LeningraditePbCu3(VO4)2ClOrth. mmm (2/m 2/m 2/m) : Ibam
22.2.17HedyphaneCa2Pb3(AsO4)3ClHex. 6/mmm (6/m 2/m 2/m) : P63/mmc
22.2.18NealitePb4Fe2+(As3+O3)2Cl4 · 2H2OTric. 1 : P1

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 SahliniteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Aminoff (1934) Geologiska Föeningens I Stockholm. Förhandlinger, Stockholm: 56: 493.
American Mineralogist (1935): 20: 315.
Palache, C., Berman, H., and Frondel, C. (1951) The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, Volume II. John Wiley and Sons, Inc., New York, 7th edition, revised and enlarged, 1124 pp.: 775.
Neues Jahrbuch für Mineralogie, Monatshefte (1985) 3: 127-131.
Bonaccorsi, E. and Pasero, M. (2003) Crystal structure refinement of sahlinite Pb14(AsO4)2O9Cl4. Mineralogical Magazine, 67(1), 15-21.

Internet Links for SahliniteHide

Localities for SahliniteHide

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.
Namibia
 
  • Otjozondjupa Region
    • Grootfontein District
      • Kombat
Dunn, P.J. (1991), Rare minerals of the Kombat Mine, Mineralogical Record: 22(6): 421-425.
Sweden (TL)
 
  • Värmland
    • Filipstad
Aminoff (1934) Geologiska Föeningens I Stockholm. Förhandlinger, Stockholm: 56: 493-494; 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.
      • Nordmark district
        • Jakobsberg ore field
GFF 125, 87
      • Persberg district
        • Pajsberg
Nysten, P. (1990): Mineralogiska notiser rörande Harstigen. Långbansnytt. vol 6 [reprinted in: Långbansnytt. De första 20 åren 1983-2003. Långbansällskapet - Skrifter och rapporter. 2,162-163]
UK
 
  • England
    • Bristol
      • Westbury on Trym
Rumsey, M.S. (2008) The first British occurrence of Kombatite, Pb14(VO4)2O9Cl4, from the "Wesley Mine" near Westbury on Trym, Bristol. Journal of the Russell Society, vol. 11, 51-53.
    • Somerset
      • Cranmore
Rumsey, M.S. (2008) The first British occurrence of Kombatite, Pb14(VO4)2O9Cl4, from the "Wesley Mine" near Westbury on Trym, Bristol. Journal of the Russell Society, vol. 11, 51-53.
Mineral and/or Locality  
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