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Schultenite

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Gifford Ridge, North Bend, King Co., Washington, USA
© 2002 R.O. Meyer

Show Schultenite Photos (7)
Formula:
PbHAsO
 
4
System:MonoclinicColour:Colourless; colourless ...
Hardness:2½
Name:Named after August Benjamin de Schulten (1856-1912) Professor of Chemistry.


See also Unnamed (P-analogue of Schultenite).

Classification of Schultenite

IMA status:Valid - first described prior to 1959 (pre-IMA) - "Grandfathered"
Strunz 8th edition ID:7/A.13-10
Strunz 9th edition ID:8.AD.30
Nickel-Strunz 10th (pending) edition ID:8.AD.30

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

37 : ANHYDROUS ACID PHOSPHATES, ARSENATES AND VANADATES
1 : Miscellaneous
Hey's CIM Ref.:20.5.2

20 : Arsenates (also arsenates with phosphate, but without other anions)
5 : Arsenates of Ti and Pb
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Type Occurrence of Schultenite

Type Locality:Tsumeb Mine (Tsumcorp Mine), Tsumeb, Otjikoto (Oshikoto) Region, Namibia
Associated Minerals at type locality:
BayldoniteAnglesite

Physical Properties of Schultenite

Lustre:Sub-Adamantine, Vitreous
Diaphaneity (Transparency):Transparent
Comment:Brilliant
Colour:Colourless; colourless in transmitted light
Streak:White
Hardness (Mohs):2½
Tenacity:Brittle
Cleavage:Distinct/Good
On {010}, good.
Density (measured):5.943 g/cm3
Comment:6.05 to 6.07 (artificial material)

Crystallography of Schultenite

Crystal System:Monoclinic
Class (H-M):2/m - Prismatic
Cell Parameters:a = 5.84Å, b = 6.75Å, c = 4.85Å
β = 95.4°
Ratio:a:b:c = 0.865 : 1 : 0.719
Unit Cell Volume:V 190.34 ų (Calculated from Unit Cell)
Morphology:Crystals flattened {010}; commonly rhomboidal and resembling gypsum. {010} striated [001], {001} striated [100].

Optical Data of Schultenite

Type:Biaxial (+)
RI values: nα = 1.890 nβ = 1.910 nγ = 1.977
2V:Measured: 58° , Calculated: 60°
Maximum Birefringence:δ = 0.087

Chart shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration.
Surface Relief:Very High
Dispersion:strong

Chemical Properties of Schultenite

Formula:
PbHAsO
 
4
Essential elements:As, H, O, Pb
All elements listed in formula:As, H, O, Pb

Relationship of Schultenite to other Species

Related Minerals - Nickel-Strunz Grouping):

- +
8.AD.05Nahpoite
Na
 
2
HPO
 
4
8.AD.10Monetite
CaHPO
 
4
8.AD.10Weilite
CaHAsO
 
4
8.AD.10Švenekite
Ca(H
 
2
AsO
 
4
)
 
2
8.AD.15Archerite
(K,NH
 
4
)[H
 
2
PO
 
4
]
8.AD.15Biphosphammite
(NH
 
4
,K)H
 
2
PO
 
4
8.AD.20Phosphammite
(NH
 
4
)
 
2
HPO
 
4
8.AD.25Buchwaldite
NaCaPO
 
4
8.AD.35Chernovite-(Y)
YAsO
 
4
8.AD.35Dreyerite
BiVO
 
4
8.AD.35Wakefieldite-(Ce)
(Ce,Pb)VO
 
4
8.AD.35Wakefieldite-(Y)
YVO
 
4
8.AD.35Xenotime-(Y)
YPO
 
4
8.AD.35Pretulite
ScPO
 
4
8.AD.35Xenotime-(Yb)
(Yb,Y,HREE)PO
 
4
8.AD.35Wakefieldite-(La)
LaVO
 
4
8.AD.40Pucherite
BiVO
 
4
8.AD.45Ximengite
BiPO
 
4
8.AD.50Gasparite-(Ce)
(Ce,REE)AsO
 
4
8.AD.50Monazite-(Ce)
(Ce,La,Nd,Th)PO
 
4
8.AD.50Monazite-(La)
(La,Ce,Nd)PO
 
4
8.AD.50Monazite-(Nd)
(Nd,La,Ce)PO
 
4
8.AD.50Rooseveltite
BiAsO
 
4
8.AD.50Cheralite
(Ca,Ce)(Th,Ce)[PO
 
4
]
 
2
8.AD.50Monazite-(Sm)
(Sm,Gd,Ce,Th)(PO
 
4
)
8.AD.50UM2005-35-VO:CaFePSiTh
(Th,Ca)[VO
 
4
,SiO
 
4
,PO
 
4
]
8.AD.55Tetrarooseveltite
Bi(AsO
 
4
)
8.AD.60Chursinite
(Hg-Hg)
 
0.5
Hg
2+
 
[AsO
 
4
]
8.AD.65Clinobisvanite
BiVO
 
4
Related Minerals - Hey's Index Grouping:

- +
20.5.1Cafarsite
Ca
 
8
(Ti,Fe,Fe,Mn)
 
6-7
(AsO
 
3
)
 
12
·4H
 
2
O
20.5.3Duftite
PbCu[OH|AsO
 
4
]
20.5.4Bayldonite
Cu
 
3
Pb[OH|AsO
 
4
]
 
2
20.5.5Philipsbornite
PbAl
 
3
[(OH)
 
5
|(AsO
 
4
)
 
2
] · H
 
2
O
20.5.6Arsendescloizite
PbZn[OH|AsO
 
4
]
20.5.7Helmutwinklerite
Pb(Zn,Cu)
 
2
[AsO
 
4
]
 
2
 · 2H
 
2
O
20.5.8Thometzekite
Pb(Cu,Zn)
 
2
[AsO
 
4
,SO
 
4
]
 
2
 · 2(H
 
2
O,OH)
20.5.9Caryinite
(Na,Pb)(Ca,Na)(Ca,Mn
2+
 
)(Mn
2+
 
,Mg,Fe
3+
 
)
 
2
[AsO
 
4
]
 
3
20.5.10Ludlockite
PbFe
3+
4
As
3+
10
O
 
22
20.5.11Gabrielsonite
PbFe[OH|AsO
 
4
]
20.5.12Carminite
PbFe
3+
2
[OH|AsO
 
4
]
 
2
20.5.13Segnitite
PbFe
3+
3
[(OH,H
 
2
O)
 
6
|(AsO
 
4
)
 
2
]
20.5.14Tsumcorite
Pb(Zn,Fe
3+
 
)
 
2
[AsO
 
4
]
 
2
 · 2(H
 
2
O,OH)
20.5.15Jamesite
Pb
 
2
Zn(Fe
2+
 
,Zn)
 
2
Fe
3+
4
[(OH)
 
10
|(AsO
 
4
)
 
4
]
20.5.16Mawbyite
Pb(Fe
3+
 
,Zn)
 
2
[AsO
 
4
]
 
2
 · 2(OH,H
 
2
O)
20.5.17Arsenbrackenbuschite

Other Names for Schultenite

Other Languages:
German:Schultenit
Russian:Шультенит
Spanish:Schultenita

Other Information

Other Information:Pseudomorphically replaced by anglesite at Tsumeb (?).
Health Warning:No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

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.

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.

Internet Links for Schultenite

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  • Raman and XRD data at RRUFF project
  • American Mineralogist Crystal Structure Database
  • Search for Schultenite in the Natural History Museum (London) online catalogue
  • Schultenite details from Handbook of Mineralogy (PDF)
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    Localities for Schultenite

    Hide Locality List
    The 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. ? 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 Mts
        • Finkenstein
          • Mallestiger Mittagskogel Mt.
    		[Der Aufschluss 1996,4 p.186-192]; U. Kolitsch (SXRD-analysis)
    • Styria
      • Birkfeld
        • Gasen
    		Bojar, H.-P. (1993)
    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)
          • Ostrov
    		Lapis 2002(7/8), 63-65
    France
     
    • Provence-Alpes-Côte d'Azur
      • Var
        • 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 Mts
        • 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
    Greece
     
    • Attikí (Attica; Attika) Prefecture
      • Lavrion (Laurion; Laurium) District
        • Lavrion District Mines
          • Agios Konstantinos [St Constantine] (Kamariza)
            • Kamariza Mines (Kamareza Mines)
              • Hilarion area
    		No reference listed
          • Plaka
            • Plaka Mines
    		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
     
    • Otjikoto (Oshikoto) Region
      • 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
        • North and Western Region (Cumberland)
          • 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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