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Pyrobelonite

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Formula:
PbMn2+VO4(OH)
System:
Orthorhombic
Colour:
Red, dark red
Lustre:
Adamantine, Sub-Adamantine
Hardness:
Name:
Named by Gustav Flink in 1919 from the Greek πυρ for "fire" and βελόνη for "needle," in allusion to its colour and the acicular habit of its crystals.
Adelite-Descloizite Group.
The Mn2+ analogue of Čechite.


Classification of Pyrobelonite

Approved, 'Grandfathered' (first described prior to 1959)
8.BH.40

8 : PHOSPHATES, ARSENATES, VANADATES
B : Phosphates, etc., with additional anions, without H2O
H : With medium-sized and large cations, (OH,etc.):RO4 = 1:1
41.5.2.3

41 : ANHYDROUS PHOSPHATES, ETC.CONTAINING HYDROXYL OR HALOGEN
5 : (AB)2(XO4)Zq
21.4.17

21 : Vanadates (and vanadates with arsenate or phosphate)
4 : Vanadates of U, Mn, Fe or Ni

Physical Properties of Pyrobelonite

Adamantine, Sub-Adamantine
Diaphaneity (Transparency):
Transparent
Colour:
Red, dark red
Streak:
Orange-yellow, red-orange
Hardness (Mohs):
Tenacity:
Brittle
Cleavage:
None Observed
Fracture:
Conchoidal
Density:
5.58 - 5.79 g/cm3 (Measured)    5.82 g/cm3 (Calculated)

Optical Data of Pyrobelonite

Type:
Biaxial (-)
RI values:
nα = 2.320 nβ = 2.360 nγ = 2.370
2V:
Measured: 29° , Calculated: 52°
Birefringence:
0.05
Max Birefringence:
δ = 0.050
Image shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration.
Surface Relief:
Very High
Type:
Anisotropic
Anisotropism:
Strong
Bireflectance:
Visible
Dispersion:
none
Optical Extinction:
Parallel, XYZ = acb
Colour in reflected light:
Gray with red to orange internal glints
Pleochroism:
Visible
Comments:
shades of red-brown.

Chemical Properties of Pyrobelonite

IMA Formula:
PbMn2+VO4(OH)
Elements listed in formula:

Crystallography of Pyrobelonite

Crystal System:
Orthorhombic
Class (H-M):
mmm (2/m 2/m 2/m) - Dipyramidal
Space Group:
Pnma
Space Group Setting:
Pnma
Cell Parameters:
a = 7.62 Å, b = 6.17 Å, c = 9.47 Å
Ratio:
a:b:c = 1.235 : 1 : 1.535
Unit Cell Volume:
V 445.24 ų (Calculated from Unit Cell)
Z:
4
Morphology:
Acicular [001] or acute pyramidal; blocky.
Comment:
Given as Pnam. Kolitsch (2001) gives the following parameters for a practically pure sample: a = 7.646(2), b = 6.179(1), c = 9.507(2) Å.
X-Ray Powder Diffraction Data:
d-spacingIntensity
5.14 (70)
4.27 (40)
3.672 (65)
3.24 (100)
2.914 (50)
2.635 (70)
2.323 (70)
1.667 (65)
Comments:
ICDD 20-588

Occurrences of Pyrobelonite

Type Occurrence of Pyrobelonite

Associated Minerals at Type Locality:

Relationship of Pyrobelonite to other Species

Other Members of Group:
AdeliteCaMg(AsO4)(OH)
ArsendescloizitePbZn(AsO4)(OH)
AustiniteCaZn(AsO4)(OH)
ČechitePbFe2+(VO4)(OH)
CobaltaustiniteCaCo(AsO4)(OH)
ConichalciteCaCu(AsO4)(OH)
DescloizitePbZn(VO4)(OH)
DuftitePbCu(AsO4)(OH)
GabrielsonitePbFe(AsO4)(OH)
GottlobiteCaMg(VO4,AsO4)(OH)
HermannroseiteCaCu(PO4)(OH)
MottramitePbCu(VO4)(OH)
NickelaustiniteCaNi(AsO4)(OH)
TangeiteCaCu(VO4)(OH)
VuagnatiteCaAl(SiO4)(OH)
8.BH.05ThadeuiteCaMg3(PO4)2(OH,F)2
8.BH.10DurangiteNaAlAsO4F
8.BH.10IsokiteCaMgPO4F
8.BH.10LacroixiteNaAl(PO4)F
8.BH.10MaxwelliteNaFe3+AsO4F
8.BH.10PanasqueiraiteCaMgPO4(OH)
8.BH.10TilasiteCaMgAsO4F
8.BH.15DrugmanitePb2Fe3+(PO4)(PO3OH)(OH)2
8.BH.20BjarebyiteBaMn22+Al2(PO4)3(OH)3
8.BH.20CirroliteCa3Al2(PO4)3(OH)3
8.BH.20KulaniteBaFe22+Al2(PO4)3(OH)3
8.BH.20PenikisiteBaMg2Al2(PO4)3(OH)3
8.BH.20PerloffiteBaMn22+Fe23+(PO4)3(OH)3
8.BH.20JohntomaiteBaFe22+Fe23+(PO4)3(OH)3
8.BH.25BertossaiteLi2CaAl4(PO4)4(OH)4
8.BH.25PalermoiteLi2SrAl4(PO4)4(OH)4
8.BH.30CarminitePbFe23+(AsO4)2(OH)2
8.BH.30SewarditeCaFe23+(AsO4)2(OH)2
8.BH.35AdeliteCaMgAsO4(OH)
8.BH.35ArsendescloizitePbZnAsO4(OH)
8.BH.35AustiniteCaZnAsO4(OH)
8.BH.35CobaltaustiniteCaCoAsO4(OH)
8.BH.35ConichalciteCaCuAsO4(OH)
8.BH.35DuftitePbCuAsO4(OH)
8.BH.35GabrielsonitePbFeAsO4(OH)
8.BH.35NickelaustiniteCaNiAsO4(OH)
8.BH.35TangeiteCaCuVO4(OH)
8.BH.35GottlobiteCaMg(VO4)(OH)
8.BH.35HermannroseiteCaCu(PO4)(OH)
8.BH.40ČechitePbFe2+VO4(OH)
8.BH.40DescloizitePbZnVO4(OH)
8.BH.40MottramitePbCuVO4(OH)
8.BH.45BayldoniteCu3PbO(AsO3OH)2(OH)2
8.BH.45VésigniéiteCu3Ba(VO4)2(OH)2
8.BH.50PaganoiteNiBi3+OAsO4
8.BH.55JagoweriteBaAl2(PO4)2(OH)2
8.BH.60AttakoliteCaMn2+Al4(HSiO4)(PO4)3(OH)4
8.BH.65LeningraditePbCu3(VO4)2Cl2
21.4.1Uvanite(UO2)2V65+O17 · 15H2O
21.4.2Vanuranylite(H3O)2(UO2)2(VO4)2 · 4H2O
21.4.3StrelkiniteNa2(UO2)2(VO4)2 · 6H2O
21.4.4CarnotiteK2(UO2)2(VO4)2 · 3H2O
21.4.5MargaritasiteCs2(UO2)2(VO4)2 · H2O
21.4.6SengieriteCu2(UO2)2(VO4)2(OH)2 · 6H2O
21.4.7MetatyuyamuniteCa(UO2)2(VO4)2 · 3H2O
21.4.8TyuyamuniteCa(UO2)2(VO4)2 · 5-8H2O
21.4.9RauviteCa(UO2)2V105+O28 · 16H2O
21.4.10FrancevilliteBa(UO2)2(VO4)2 · 5H2O
21.4.11MetavanuraliteAl(UO2)2(VO4)2(OH) · 8H2O
21.4.12VanuraliteAl(UO2)2(VO4)2(OH) · 11H2O
21.4.13CurienitePb(UO2)2(VO4)2 · 5H2O
21.4.14FritzscheiteMn2+(UO2)2(VO4,PO4)2 · 4H2O
21.4.15PalenzonaiteNaCa2Mn22+(VO4)3
21.4.16Santafeite(Ca,Sr,Na)3(Mn2+,Fe3+)2Mn24+(VO4)4(OH,O)5 · 2H2O
21.4.18BrackebuschitePb2Mn3+(VO4)2(OH)
21.4.19ČechitePbFe2+VO4(OH)
21.4.20HeyitePb5Fe22+O4(VO4)2
21.4.21MounanaitePbFe23+(VO4)2(OH)2
21.4.22SchubneliteFe3+V5+O4 · H2O
21.4.23FervaniteFe43+V45+O16 · 5H2O
21.4.24KazakhstaniteFe53+V34+V125+O39(OH)9 · 8.5H2O
21.4.25Bokite(Al,Fe)1.3(V5+,V4+,Fe3+)8O20 · 7.5H2O
21.4.26Rusakovite(Fe,Al)5(VO4)2(OH)9 · 3H2O
21.4.27Kolovratite(Ni,Zn)xVO4 · nH2O

Other Names for Pyrobelonite

Name in Other Languages:
Simplified Chinese:钒锰铅矿
Spanish:Pirobelonita
Traditional Chinese:釩錳鉛礦

Other Information

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 Pyrobelonite

Reference List:
Flink (1919) Geologiska Föeningens I Stockholm. Förhandlinger, Stockholm: 41: 433.

Larsen, E.S. and Berman, H. (1934) The Microscopic Determination of the Nonopaque Minerals, Second edition, USGS Bulletin 848: 211.

Strunz, H. (1939): Mineralien der Descloizitgruppe. Konichalcit, Staszizit, Austinit, Duftit, Aräoxen, Volborthit, Pyrobelonit. Zeitschrift für Kristallographie, Mineralogie und Petrographie, Leipzig (A) 101, 496-506.

Richmond (1940) American Mineralogist: 25: 460.

American Mineralogist (1955): 40: 580-596.

Mineralogical Magazine (1977): 41: 85.

Kolitsch, U. (2001): Refinement of pyrobelonite, PbMnIIVO4(OH), a member of the descloizite group. Acta Crystallogr. E57, i119-i121.

Internet Links for Pyrobelonite

mindat.org URL:
https://www.mindat.org/min-3315.html
Please feel free to link to this page.

Localities for Pyrobelonite

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.
(TL) indicates type locality for a valid mineral species. (FRL) indicates first recorded locality for everything else. ? indicates mineral may be doubtful at this locality. All other localities listed without reference should be considered as uncertain and unproven until references can be found.
Australia
 
  • South Australia
    • Eyre Peninsula
      • Middleback Range
        • Iron Knob
A. Pring, U. Kolitsch and G. Francis (2000): Additions to the mineralogy of the Iron Monarch deposit, Middleback Ranges, South Australia. Australian J. Mineral. 6, 9-23; Pring, A. (1998): Selenides and sulfides from Iron Monarch, South Australia. N. Jb. Mineral. Mh. 1998, 36-48; Pring, A., Francis, G. & Birch, W. D. (1989): Pyrobelonite, arsenoklasite, switzerite and other recent finds at Iron Monarch, South Australia. Australian Mineral. 4, 49-55; Pring, A., Francis, G. & Birch, W. D. (1992): Nissonite, namibite, and other additions to the mineral suite from Iron Monarch, South Australia. Australian Mineral. 6, 31-39; Pring, A., Slade, P. G. & Birch, W. D. (1992): Shigaite from Iron Monarch, South Australia. Mineralogical Magazine 56, 417-19; Segnit, E. R. & Francis, G. (1983): Secondary phosphate minerals from Iron Monarch, South Australia. Australian Mineral. 1, 243-50.; Pring A, Birch W D (1993) Gatehouseite, a new manganese hydroxy phosphate from Iron Monarch, South Australia. Mineralogical Magazine 57, 309-313
Canada
 
  • Québec
    • Nord-du-Québec
      • Baie-James
        • Otish Mts
SASSANO, G. & ROCHELEAU, M. (1987) Quelques minéraux d'uranium des Bassin d'Otish et de Mistassini, Québec. Canadian Mineralogist 25, 185-193.
Germany
 
  • Saarland
    • Wadern
      • Krettnich
[European Journal of Mineralogy 13:145-158]
  • Thuringia
    • Harz
      • Nordhausen
        • Ilfeld
J. Gröbner, U. Kolitsch and J. Wesiger (2011): New finds of vanadate and rare-earth minerals from the manganese mine Ilfeld, Harz. Mineralien-Welt 22 (1), 41-49. (in German)
Italy
 
  • Liguria
    • Genova and La Spezia Provinces
      • Tre Monti mining concession
        • Castiglione Chiavarese and Maissana
Castellaro, F., Passarino, G. (2011): I minerali di Monte Alpe. Sezione dell'antica Concessione Tre Monti (La Spezia e Genova). Rivista Mineralogica Italiana. 4/2011, 214-224.
    • Genova Province
Ciriotti, M.E. & Biagioni, C. (2011): Pot-pourri 2011: identificazioni di minerali di interesse. Micro, 3/2011, 125-133
      • Ne
[MinRec 32:360]
Gianluca Armellino specimen
          • Reppia
Bracco, R., Brugger, J., Marchesini, M., Mezzano, I., (2001): Nabiasite: un'altra novità da Gambatesa (Val Graveglia, Genova). Rivista Mineralogica Italiana, 2, 121-122.
    • La Spezia Province
      • Vara Valley
        • Borghetto Vara
Japan
 
  • Shikoku Island
    • Kochi Prefecture
      • Kami city
Gunnar Farber pers. comm.
Namibia
 
  • Otjozondjupa Region
    • Grootfontein District
      • Kombat
Dunn, P.J. (1991), Rare minerals of the Kombat Mine, Mineralogical Record: 22(6): 421-425.
Norway
 
  • Vest-Agder
    • Kristiansand
Breivik, H. ; Myre, K. & Larsen, A. O. (2007): Manganforekomster på Sørlandet: Kvivikdalen (Kostøl, Ålefjær): Norsk Bergverksmuseums Skrift, 35, 25-31
Sweden (TL)
 
  • Värmland
    • Filipstad
Geologiska Föeningens I Stockholm. Förhandlinger, Stockholm (1919): 41, 433; Mineralogical Record: 14: 203; 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.
      • Persberg district
Sandström, F., Lorin, T. & Strand, U. (2009): Geologi och mineralogi i Gåsgruvefältet, Filipstad. Litofilen. 26 (2): 16-38
Sandström, F., Lorin, T. & Strand, U. (2009): Geologi och mineralogi i Gåsgruvefältet, Filipstad. Litofilen. 26 (2): 16-38
Torbjorn Lorin
Switzerland
 
  • Grischun (Grisons; Graubünden)
    • Hinterrhein Valley
      • Ferrera Valley
        • Ausserferrera
Amer.Min.(1996) 81, 1270-1276
Brugger J. (1996): The Fe, Mn, (V, Sb, As, Be, W) deposits of Val Ferrera (Graubünden, Switzerland). Unpublished PhD Thesis, Univ. Basel. 188 p.
  • Wallis (Valais)
    • Turtmann Valley
      • Pipjitälli
The Canadian Mineralogist 44, 205 (2006); Ansermet, S. (2012): Mines et minéraux du Valais - II. Anniviers et Tourtemagne. With contributions by N. Meisser, Ed. Porte-plumes (Ayer)
UK
 
  • Wales
    • Bridgend
      • Porthcawl
Criddle & Symes, 1977
USA
 
  • New Jersey
    • Sussex Co.
      • Franklin Mining District
        • Franklin
Van King
Dunn, P.J.: Min.Rec.:14:203-204 (1983); Dunn(1995):Pt5:677.
Mineral and/or Locality  
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