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Orthopinakiolite

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03744560014946353928782.jpg
Orthopinakiolite

Långban, Filipstad, Värmland County, Sweden
01343480014946353953542.jpg
Orthopinakiolite

Långban, Filipstad, Värmland County, Sweden
04260400014946353884673.jpg
Orthopinakiolite, etc.

Långban, Filipstad, Värmland County, Sweden
03744560014946353928782.jpg
Orthopinakiolite

Långban, Filipstad, Värmland County, Sweden
01343480014946353953542.jpg
Orthopinakiolite

Långban, Filipstad, Värmland County, Sweden
04260400014946353884673.jpg
Orthopinakiolite, etc.

Långban, Filipstad, Värmland County, Sweden
08540470014961184299857.jpg
Orthopinakiolite

Långban, Filipstad, Värmland County, Sweden
01343480014946353953542.jpg
Orthopinakiolite

Långban, Filipstad, Värmland County, Sweden
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About OrthopinakioliteHide

Formula:
(Mg,Mn2+)2Mn3+(BO3)O2
Hardness:
6
Crystal System:
Orthorhombic
Dimorph of:
Pinakiolite
The orthorhombic dimorph of Pinakiolite.


Classification of OrthopinakioliteHide

IMA status:
Approved
Strunz 8th ed.:
5/G.04-60
Nickel-Strunz 10th (pending) ed.:
6.AB.40

6 : BORATES
A : Monoborates
B : BO3, with additional anions; 1(D) + OH, etc.
Dana 8th ed.:
24.2.5.1

24 : ANHYDROUS BORATES
2 : A2BO2[XO3]
Hey's CIM Ref.:
9.7.2

9 : Borates
7 : Borates of Mn

Physical Properties of OrthopinakioliteHide

Hardness:
6 on Mohs scale

Chemical Properties of OrthopinakioliteHide

Formula:
(Mg,Mn2+)2Mn3+(BO3)O2
IMA Formula:
Mg2Mn3+O2(BO3)
Elements listed:
B, Mg, Mn, O - search for minerals with similar chemistry

Crystallography of OrthopinakioliteHide

Crystal System:
Orthorhombic
Cell Parameters:
a = 18.45 Å, b = 12.7 Å, c = 6.07 Å
Ratio:
a:b:c = 1.453 : 1 : 0.478
Unit Cell V:
1,422.29 ų (Calculated from Unit Cell)

Type Occurrence of OrthopinakioliteHide

Other Language Names for OrthopinakioliteHide

Relationship of Orthopinakiolite to other SpeciesHide

Member of:
Orthopinakiolite Group
Other Members of this group:
BlatteriteSb5+(Mn3+,Fe3+)9(Mn2+,Mg)35(BO3)16O32Orth. mmm (2/m 2/m 2/m) : Pnnm
ChestermaniteMg2(Fe3+,Mn3+,Al,Sb3+)(BO3)O2Orth.
Takéuchiite(Mg,Mn2+)2(Mn3+,Fe3+)(BO3)O2Orth.

Common AssociatesHide

Associated Minerals Based on Photo Data:
2 photos of Orthopinakiolite associated with CalciteCaCO3

Related Minerals - Nickel-Strunz GroupingHide

6.AB.05HambergiteBe2(BO3)(OH)Orth. mmm (2/m 2/m 2/m) : Pbca
6.AB.10BerboriteBe2(BO3)(OH,F) · H2OTrig.
6.AB.15JeremejeviteAl6(BO3)5(F,OH)3Hex. 6/m : P63/m
6.AB.20Warwickite(Mg,Ti,Fe,Cr,Al)2O(BO3)Orth.
6.AB.20YuanfuliiteMg(Fe3+,Al)O(BO3)Orth.
6.AB.25KarliteMg7(BO3)3(OH,Cl)5Orth.
6.AB.30Azoproite(Mg,Fe2+)2(Fe3+,Ti,Mg)(BO3)O2Orth.
6.AB.30BonaccorditeNi2Fe3+(BO3)O2Orth.
6.AB.30FredrikssoniteMg2(Mn3+,Fe3+)(BO3)O2Orth.
6.AB.30LudwigiteMg2Fe3+(BO3)O2Orth.
6.AB.30VonseniteFe2+2Fe3+(BO3)O2Orth.
6.AB.35Pinakiolite(Mg,Mn2+)2Mn3+(BO3)O2Mon.
6.AB.40BlatteriteSb5+(Mn3+,Fe3+)9(Mn2+,Mg)35(BO3)16O32Orth. mmm (2/m 2/m 2/m) : Pnnm
6.AB.40ChestermaniteMg2(Fe3+,Mn3+,Al,Sb3+)(BO3)O2Orth.
6.AB.40Takéuchiite(Mg,Mn2+)2(Mn3+,Fe3+)(BO3)O2Orth.
6.AB.45Hulsite(Fe2+,Mg)2(Fe3+,Sn)(BO3)O2Mon.
6.AB.45Magnesiohulsite(Mg,Fe2+)2(Fe3+,Sn,Mg)(BO3)O2Mon.
6.AB.45Aluminomagnesiohulsite(Mg,Fe2+)2(Al,Mg,Sn)(BO3)O2Mon. 2/m
6.AB.50FluoboriteMg3(BO3)(F,OH)3Hex.
6.AB.50HydroxylboriteMg3(BO3)(OH)3Hex. 6/m : P63/m
6.AB.55ShabyniteMg5(BO3)(OH)5(Cl,OH)2 · 4H2OMon.
6.AB.55WightmaniteMg5(BO3)O(OH)5 · 2H2OMon.
6.AB.60GaudefroyiteCa4Mn3+2-3(BO3)3(CO3)(O,OH)3Hex.
6.AB.65SakhaiteCa12Mg4(BO3)7(CO3)4(OH)2ClIso. m3m (4/m 3 2/m) : Fd3m
6.AB.70HarkeriteCa12Mg4Al(BO3)3(SiO4)4(CO3)5 · H2OTrig. 3m (3 2/m) : R3m
6.AB.75Pertsevite-(F)Mg2(BO3)(F,OH)Orth. mm2 : Pna21
6.AB.75Pertsevite-(OH)Mg2(BO3)(OH)Orth. mmm (2/m 2/m 2/m) : Pnma
6.AB.80JacquesdietrichiteCu2(H2BO3)(OH)3Orth. mmm (2/m 2/m 2/m) : Pmna
6.AB.85PainiteCaZrAl9(BO3)O15Hex. 6/m : P63/m

Related Minerals - Hey's Chemical Index of Minerals GroupingHide

9.7.1Pinakiolite(Mg,Mn2+)2Mn3+(BO3)O2Mon.
9.7.3Jimboite(Mn2+,Mg)3[BO3]2Orth.
9.7.4SussexiteMn2+BO2(OH)Orth. 2 2 2 : P21 21 2
9.7.5Wiserite(Mn2+,Mg)14(B2O5)4(OH)8 · (Si,Mg)(O,OH)4ClTet.
9.7.6KurchatoviteCa(Mg,Mn2+)[B2O5]Orth.
9.7.7ClinokurchatoviteCa(Mg,Fe2+,Mn2+)[B2O5]Mon.
9.7.8Takéuchiite(Mg,Mn2+)2(Mn3+,Fe3+)(BO3)O2Orth.
9.7.9BlatteriteSb5+(Mn3+,Fe3+)9(Mn2+,Mg)35(BO3)16O32Orth. mmm (2/m 2/m 2/m) : Pnnm
9.7.10TusioniteMn2+Sn4+[BO3]2Trig. 3 : R3

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 OrthopinakioliteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
American Mineralogist (1961): 46: 768.
Canadian Mineralogist (1978): 16: 475-485.
Acta Crystallographica: A37: 28-35.
Grew, E.S., and Anovitz, L.M. (1996) BORON: Mineralogy, Petrology and Geochemistry, second edition, as revised (2002).

Internet Links for OrthopinakioliteHide

Localities for OrthopinakioliteHide

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 County
    • Filipstad
Arkiv Min.Geol.(1961) 2, 551-555; 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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