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Schultenite

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Formula:
Pb(HAsO4)
System:
Monoclinic
Colour:
Colourless; colourless ...
Hardness:
Name:
Named after August Benjamin de Schulten (1856-1912) Professor of Chemistry at Helsingfors, Finland and Paris, France.

Classification of Schultenite

Valid - first described prior to 1959 (pre-IMA) - "Grandfathered"
8.AD.30

8 : PHOSPHATES, ARSENATES, VANADATES
A : Phosphates, etc. without additional anions, without H2O
D : With only large cations
Dana 7th ed.:
37.1.2.1
37.1.2.1

37 : ANHYDROUS ACID PHOSPHATES, ARSENATES AND VANADATES
1 : Miscellaneous
20.5.2

20 : Arsenates (also arsenates with phosphate, but without other anions)
5 : Arsenates of Ti and Pb
mindat.org URL:
http://www.mindat.org/min-3590.html
Please feel free to link to this page.

Type Occurrence of Schultenite

Year of Discovery:
1926
Geological Setting of Type Material:
Found in the oxidized zones of lead deposits.
Associated Minerals at Type Locality:

Physical Properties of Schultenite

Sub-Adamantine, Vitreous
Diaphaneity (Transparency):
Transparent
Comment:
Brilliant
Colour:
Colourless; colourless in transmitted light
Streak:
White
Hardness (Mohs):
Tenacity:
Brittle
Cleavage:
Distinct/Good
On {010}, good.
Density:
5.943 - 6.08 g/cm3 (Measured)    6.041 g/cm3 (Calculated)
Comment:
6.05 to 6.07 (artificial material)

Crystallography of Schultenite

Crystal System:
Monoclinic
Class (H-M):
2/m - Prismatic
Space Group:
P2/b
Space Group Setting:
P2/a
Cell Parameters:
a = 5.842Å, b = 6.758Å, c = 4.858Å
β = 95.4°
Ratio:
a:b:c = 0.864 : 1 : 0.719
Unit Cell Volume:
V 190.94 ų (Calculated from Unit Cell)
Z:
2
Morphology:
Crystals flattened {010}; commonly rhomboidal and resembling gypsum. {010} striated [001], {001} striated [100].
Twinning:
Fishtail twins observed
Comment:
Ranges: a 5.820 b 6.743 c4.847, beta 95.34-95.9

Optical Data of Schultenite

Type:
Biaxial (+)
RI values:
nα = 1.890 nβ = 1.910 nγ = 1.976
2V:
Measured: 58° , Calculated: 60°
Birefringence:
0.086
Max Birefringence:
δ = 0.086
Image shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration.
Surface Relief:
Very High
Dispersion:
strong
Optical Extinction:
X=b, Y ^ c = -24 degrees, AZ ^ c = 66 degrees.

Chemical Properties of Schultenite

Formula:
Pb(HAsO4)
Essential elements:
All elements listed in formula:

Relationship of Schultenite to other Species

8.AD.05NahpoiteNa2HPO4
8.AD.10MonetiteCa(HPO4)
8.AD.10WeiliteCa(HAsO4)
8.AD.10ŠvenekiteCa(H2AsO4)2
8.AD.15Archerite(K,NH4)(H2PO4)
8.AD.15Biphosphammite(NH4,K)(H2PO4)
8.AD.20Phosphammite(NH4)2(HPO4)
8.AD.25BuchwalditeNaCa(PO4)
8.AD.35Chernovite-(Y)Y(AsO4)
8.AD.35DreyeriteBi(VO4)
8.AD.35Wakefieldite-(Ce)Ce(VO4)
8.AD.35Wakefieldite-(Y)Y(VO4)
8.AD.35Xenotime-(Y)Y(PO4)
8.AD.35PretuliteSc(PO4)
8.AD.35Xenotime-(Yb)(Yb,Y,HREE)(PO4)
8.AD.35Wakefieldite-(La)La(VO4)
8.AD.40PucheriteBi(VO4)
8.AD.45XimengiteBi(PO4)
8.AD.50Gasparite-(Ce)(Ce,REE)(AsO4)
8.AD.50Monazite-(Ce)(Ce,La,Nd,Th)(PO4)
8.AD.50Monazite-(La)(La,Ce,Nd)(PO4)
8.AD.50Monazite-(Nd)(Nd,La,Ce)(PO4)
8.AD.50RooseveltiteBi(AsO4)
8.AD.50Cheralite(Ca,Ce)(Th,Ce)(PO4)2
8.AD.50Monazite-(Sm)(Sm,Gd,Ce,Th)(PO4)
8.AD.50UM2005-35-VO:CaFePSiTh(Th,Ca)(VO4,SiO4,PO4)
8.AD.55TetrarooseveltiteBi(AsO4)
8.AD.60Chursinite(Hg2+)0.5Hg2+(AsO4)
8.AD.65ClinobisvaniteBi(VO4)
20.5.1CafarsiteCa5.9Mn1.7Fe3Ti3(AsO3)12 · 4-5H2O
20.5.3DuftitePbCu(AsO4)(OH)
20.5.4BayldonitePbCu3(AsO4)2(OH)2
20.5.5PhilipsbornitePbAl3(AsO4)2(OH)5 · H2O
20.5.6ArsendescloizitePbZn(AsO4)(OH)
20.5.7HelmutwinkleritePb(Zn,Cu)2(AsO4)2 · 2H2O
20.5.8ThometzekitePb(Cu,Zn)2(AsO4,SO4)2 · 2(H2O,OH)
20.5.9Caryinite(Na,Pb)(Ca,Na)(Ca,Mn2+)(Mn2+,Mg,Fe3+)2(AsO4)3
20.5.10LudlockitePbFe43+As103+O22
20.5.11GabrielsonitePbFe(AsO4)(OH)
20.5.12CarminitePbFe23+(AsO4)2(OH)2
20.5.13SegnititePbFe33+(AsO4)2(OH,H2O)6
20.5.14TsumcoritePb(Zn,Fe3+)2(AsO4)2 · 2(H2O,OH)
20.5.15JamesitePb2Zn(Fe2+,Zn)2Fe43+(AsO4)4(OH)10
20.5.16MawbyitePb(Fe3+,Zn)2(AsO4)2 · 2(OH,H2O)
20.5.17Arsenbrackenbuschite

Other Names for Schultenite

Name in Other Languages:
German:Schultenit
Simplified Chinese:透砷铅矿
透砷铅石
Spanish:Schultenita
Traditional Chinese:透砷鉛礦
透砷鉛石

Other Information

Dull yellow in LW UV
Other Information:
Pseudomorphically replaced by anglesite at Tsumeb (?).
Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.
Industrial Uses:
Insecticide

References for Schultenite

Reference List:
de Schulten (1904) Bulletin de la Société française de Minéralogie: 27: 113.

Groth, P. (1908) Chemische Krystallographie. Leipzig. 5 volumes: vol. 2: 822.

McDonald and Smith (1916) Journal of the American Chemical Society: 38: 2030.

Spencer, L. J. and Mountain, E. D. (1926): Schultenite, a new mineral from South-West Africa. Mineralogical Magazine: 21: 149-155.

American Mineralogist (1927): 12: 296.

Palache, C., Berman, H., & 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.: 661-663.

Embrey, P. G. & Hicks, R. P. (1977): Schultenite, from Tsumeb: a note on its morphology. Mineralogical Record: 8: 98-99.

American Mineralogist, 1978, v. 63, p. 213.

Falls, R., Cannon, B. & Mandarino, J. A. (1985): Schultenite from King County, Washington, USA; a second occurrence, and review. Mineralogical Magazine: 49: 65-69.

Tschermaks Mineralogische und Petrographische Mitteilungen (1986): 35: 157-166.

Mineralogical Magazine, 1988, v. 52, p. 675.

Internet Links for Schultenite

Localities for Schultenite

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.
Austria
 
  • Carinthia
    • Karawanken
      • Finkenstein
        • Mallestiger Mittagskogel
[Der Aufschluss 1996,4 p.186-192]; U. Kolitsch (SXRD-analysis)
  • Styria
    • Birkfeld
      • Gasen
Bojar, H.-P. (1993)
    • Murau
      • St Blasen - Karchau area
F.Bernhard + C.Auer (2014)
Czech Republic
 
  • Bohemia (Böhmen; Boehmen)
    • Karlovy Vary Region
      • Horní Slavkov (Schlaggenwald)
Plašil J, Sejkora J, Ondruš P, Veselovský F, Beran P, Goliáš V (2006): Supergene minerals in the Horní Slavkov uranium ore district, Czech Republic. Journal of the Czech Geological Society 51, 149-158.
      • Krušné Hory Mts (Erzgebirge)
        • Jáchymov District (St Joachimsthal)
Sejkora J., Gabašová A. (1995) Schultenite from Abertamy near Jáchymov. Bull. mineral.-petrolog. Nár. Muzea (Praha) 3: 245–257 (in Czech)
Lapis 2002(7/8), 63-65
France
 
  • Provence-Alpes-Côte d'Azur
    • Var
      • Le Pradet
http://www.mine-capgaronne.fr/site/Mineraux/ListeMineraux.html
Germany
 
  • Baden-Württemberg
    • Black Forest
      • Lahr
        • Reichenbach
          • Weiler
Wittern: "Mineralfundorte in Deutschland", 2001
      • Münstertal
        • Hof
K. Walenta: "Die Mineralien des Schwarzwaldes", Weise (Munich), 1992
      • Schenkenzell
        • Wittichen
K. Walenta: "Die Mineralien des Schwarzwaldes", Weise (Munich), 1992
      • Schramberg
        • Falkenstein valley
No reference listed
      • Todtnau
http://www.mineralienatlas.de/lexikon/index.php/Deutschland/Baden-W%FCrttemberg/Schwarzwald/Todtnau/Lisb%FChl
Walenta: "Die Mineralien des Schwarzwaldes", Weise (Munich), 1992
  • Lower Saxony
    • Harz
      • Goslar
        • Astfeld
No reference listed
      • St Andreasberg District
        • St Andreasberg
No reference listed
  • North Rhine-Westphalia
    • Sauerland
      • Meschede
Schnorrer-Köhler, G., (1990): Ramsbeck - Neue Minerale aus dem ehemaligen Blei-Zink-Erzrevier des Sauerlandes, Der Aufschluss, Vol. 41 (4), 211-218
    • Siegerland
      • Müsen
Der Aufschluss 2000(2), 71-123
  • Rhineland-Palatinate
    • Lahn valley
Wittern: "Mineralfundorte in Deutschland", 2001
        • Frücht
Der Aufschluss Vol.55, March/April 2004; SCHNORRER, G. (1995): Mineralogische Neuheiten von bekannten deutschen Fundorten. Lapis 20 (12), 43-48; 62.
  • Saxony-Anhalt
    • Harz
      • Stolberg
Gröbner, J., Hajek, W., Junker, R. & Nikoleizig, J. (2011): Neue Mineralschätze des Harzes. Papierflieger Verlag GmbH, Clausthal-Zellerfeld, Germany, 127 pp.
Gröbner, J., W. Hajek, R. Junker & J. Nikoleizig (2011). Neue Mineralienschätze des Harzes. S.89-97. Papierflieger-Verlag, Clausthal-Zellerfeld.
Greece
 
  • Attikí Prefecture (Attica; Attika)
    • Lavrion District (Laurion; Laurium)
      • Lavrion District Mines
        • Agios Konstantinos [St Constantine] (Kamariza)
          • Kamariza Mines (Kamareza Mines)
            • Hilarion area
No reference listed
        • Plaka
          • Plaka Mines
Blaß, G., Fabritz, K. H., Mühlbauer, W. and Prachar, I. (1998): … Immer wieder Neues aus Lavrion (2). Mineralien-Welt 9 (6), 48-55 (in German).
No reference listed
Italy
 
  • Lombardy
    • Varese Province
      • Boarezzo
Orlandi, P., & Campostrini, I., 2006. Boarezzo. I minerali della ricerca mineraria "Pradisci". Rivista Mineralogica Italiana, 30 (1), 14-24.
  • Sardinia
    • Medio Campidano Province
      • Gonnosfanadiga
        • Fenugu Sibiri Mine
Brizzi, G., Olmi, F., Sabelli, C. (1994): Gli arseniati di Pira Inferida, Gonnofanadiga (CA). Rivista Mineralogica Italiana, 3/1994, 193-206.
Namibia (TL)
 
  • Otjikoto Region (Oshikoto)
    • Tsumeb
Mineralogical Magazine (1926): 21: 149-155; Palache, C., Berman, H., & Frondel, C. (1951), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, Volume II: 663; Rocks & Minerals: 62: 440.
UK
 
  • England
    • Cumbria
      • Caldbeck Fells
Symes, R. F., Wirth, M. & Young, B. (1990): Schultenite from Caldbeck Fells, Cumbria: the first British occurrence. Mineralogical Magazine 55, 659.
No reference listed
USA
 
  • Alaska
    • Yukon-Koyukuk Borough
      • Kaiyuh District
U.S. Geological Survey, 2008, Alaska Resource Data File (ARDF): U.S. Geological Survey Open-File Report 2008-1225.
  • Washington
    • King Co.
      • North Bend
Falls, R., Cannon, B. & Mandarino, J. A. (1985): Schultenite from King County, Washington, USA; a second occurrence, and review. Mineralogical Magazine 49, 65-69.
Mineral and/or Locality  
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