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Joëlbruggerite

This page kindly sponsored by John Dagenais
Joël Brugger
Formula:
Pb3Zn3(Sb5+,Te6+)As2O13(OH,O)
Colour:
various shades of purple (light purple, bluish purple and greyish purple)
Lustre:
Adamantine
Hardness:
3
Specific Gravity:
6.73 (Calculated)
Crystal System:
Trigonal
Member of:
Name:
Named for Joël Brugger (b. 1967), Swiss-Australian mineralogist, for his contributions to mineralogy.
Isostructural with:
Hide all sections | Show all sections

Classification of JoëlbruggeriteHide

Approved
Approval Year:
2008
8.B0.20

8 : PHOSPHATES, ARSENATES, VANADATES
B : Phosphates, etc., with additional anions, without H2O
0 :
43.2.5.4

43 : COMPOUND PHOSPHATES, ETC.
2 : Anhydrous Normal Compound Phosphates, etc·

Physical Properties of JoëlbruggeriteHide

Adamantine
Transparency:
Transparent
Colour:
various shades of purple (light purple, bluish purple and greyish purple)
Streak:
white
Hardness:
Tenacity:
Brittle
Cleavage:
None Observed
Fracture:
Irregular/Uneven
Density:
6.73 g/cm3 (Calculated)

Optical Data of JoëlbruggeriteHide

Type:
Uniaxial (-)

Chemical Properties of JoëlbruggeriteHide

Formula:
Pb3Zn3(Sb5+,Te6+)As2O13(OH,O)
IMA Formula:
Pb3Zn3Sb5+As2O13(OH)

Crystallography of JoëlbruggeriteHide

Crystal System:
Trigonal
Class (H-M):
3 2 - Trapezohedral
Space Group:
P3 2 1
Cell Parameters:
a = 8.4803(17) Å, c = 5.2334(12) Å
Ratio:
a:c = 1 : 0.617
Unit Cell V:
325.94 ų
Z:
1
Morphology:
Barrel-shaped or stout hexagona prismatic [0001] crystals up to about 50 microns across. Forms observed are {0001}, {1120}, and {1121}

X-Ray Powder DiffractionHide

Powder Diffraction Data:
d-spacingIntensity
4.636 (58)
3.487 (100)
2.787 (21)
2.626 (68)
2.466 (19)
2.177 (24)
1.847 (21)
1.798 (61)

Type Occurrence of JoëlbruggeriteHide

General Appearance of Type Material:
Barrel-shaped or stout hexagonal prismatic crystals [0001] up to about 50 μm across
Place of Conservation of Type Material:
Holotype specimen preserved in the Department of Mineralogy, South Australian Museum (catalog no. G32400). Cotype (microprobe mount) preserved in the Mineral Sciences Division, Canadian Museum of Nature, Ottawa, Ontario, Canada (catalog no. CMNMC 86061)
Associated Minerals at Type Locality:

Synonyms of JoëlbruggeriteHide

Other Language Names for JoëlbruggeriteHide

Relationship of Joëlbruggerite to other SpeciesHide

Member of:
Other Members of this group:
CheremnykhitePb3Zn3(VO4)2(TeO6)Orth.
DugganitePb3Zn3(AsO4)2(TeO6)Trig. 3 2 : P3 2 1
KuksitePb3Zn3(PO4)2(TeO6)Trig. 3 2 : P3 2 1

Related Minerals - Nickel-Strunz GroupingHide

8.B0.AbuiteCaAl2(PO4)2F2Orth. 2 2 2 : P21 21 21

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

43.2.5.1DugganitePb3Zn3(AsO4)2(TeO6)Trig. 3 2 : P3 2 1
43.2.5.2KuksitePb3Zn3(PO4)2(TeO6)Trig. 3 2 : P3 2 1
43.2.5.3CheremnykhitePb3Zn3(VO4)2(TeO6)Orth.

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 JoëlbruggeriteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Mills, S. J., Groat, L. A. & Kolitsch, U. (2008) Te, Sb and W mineralization at the Black Pine mine, Montana. Poster, 18th Annual V. M. Goldschmidt Conference, Vancouver, Canada, July 13-18, 2008; abstract in Geochim. Cosmochim. Acta 72, Special Supplement 12S, A632.
Mills, S. J., Kolitsch, U., Miyawaki, R., Groat, L. A. & Poirier, G. (2009) Joëlbruggerite, Pb3Zn3(Sb5+,Te6+)As2O13(OH,O), the Sb5+ analogue of dugganite, from the Black Pine mine, Montana. American Mineralogist, 94, 1012–1017.
Mills, S. J., Christy, A. G., Chen, E. C.–C. & Raudsepp, M. (2009) Revised values of the bond valence parameters for [6]Sb(V)–O and [3–11]Sb(III)–O. Zeitschrift für Kristallographie, 224, 423–431.
Christy, A. G. & Mills, S. J. (2009) Improved bond valence parameters for Sb(III) and Sb(V), demonstrating coordination number independence of parameters. Biennial conference of the Specialist Group for Geochemistry, Mineralogy and Petrology of the Geological Society of Australia, Kangaroo Island, South Australia, 8-13 Nov., 2009.

Internet Links for JoëlbruggeriteHide

Localities for JoëlbruggeriteHide

ⓘ - 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.
USA (TL)
 
  • Montana
    • Granite Co.
      • Philipsburg District (Flint Creek District)
        • John Long Mts
          • Black Pine Ridge
Am. Min. 94,1012(2009); Mills, S. J., Kampf, A. R., Kolitsch, U., Housley, R. M. & Raudsepp, M. (2010) The crystal chemistry and crystal structure of kuksite, Pb3Zn3Te6+P2O14, and a note on the crystal structure of yafsoanite, (Ca,Pb)3Zn(TeO6)2. American Mineralogist, 95(7), 933–938.; Gobla, M. J. (2012) Montana Mineral Locality Index. Rocks and Minerals 87:208-240.
Mineral and/or Locality  
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