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Duftite

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Big Photo

Cap Garonne Mine, Le Pradet, Var, Provence-Alpes-Côte d'Azur, France
© Steve Rust

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Formula:
PbCu(AsO
 
4
)(OH)
System:OrthorhombicColour:Olive-green, grey-green; ...
Lustre:Sub-Vitreous, Resinous, Waxy, DullHardness:4½
Member of:Adelite-Descloizite Group
Name:Named by Otto Pufahl in 1920 for Gustav Bernhard Duft [b. 1859 Clausthal, Germany - 1924?], second General Manager of the Tsumcor Mine (Tsumeb Mine), Namibia (~1906), but Duft was active in Namibia as early as 1892. Guillemin (1956) distinguished two kinds of "duftite": duftite-α (space group Pnam) and duftite-β (space group P212121).


Adelite-Descloizite Group. Conichalcite-Duftite Series. Once called duftite-beta.

Classification of Duftite

IMA status:Approved
Strunz 8th edition ID:7/B.26-80
Nickel-Strunz 10th (pending) edition ID:8.BH.35

8 : PHOSPHATES, ARSENATES, VANADATES
B : Phosphates, etc., with additional anions, without H2O
H : With medium-sized and large cations, (OH,etc.):RO4 = 1:1
Dana 8th edition ID:41.5.1.4

41 : ANHYDROUS PHOSPHATES, ETC.CONTAINING HYDROXYL OR HALOGEN
5 : (AB)2(XO4)Zq
Hey's CIM Ref.:20.5.3

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

Type Locality:Tsumeb Mine (Tsumcorp Mine), Tsumeb, Otjikoto (Oshikoto) Region, Namibia
Year of Discovery:1920
Geological Setting of type material:Oxidized zone of a polymetallic deposit.
Associated Minerals at type locality:
Azurite

Occurrences of Duftite

Geological Setting:Uncommon mineral in the oxidized zone of some polymetallic sulfide deposits.

Physical Properties of Duftite

Lustre:Sub-Vitreous, Resinous, Waxy, Dull
Diaphaneity (Transparency):Transparent, Translucent
Comment:Lustre vitreous on fracture surfaces; dull on crystal faces.
Colour:Olive-green, grey-green; light apple-green in transmitted light.
Streak:Pale green, white.
Hardness (Mohs):4½
Tenacity:Brittle
Cleavage:Poor/Indistinct
Usually unobservable in botryoidal aggregates.
Fracture:Conchoidal, Sub-Conchoidal
Density (measured):6.12 g/cm3
Density (calculated):6.602 g/cm3
Comment:Duftite-α D=6.57

Crystallography of Duftite

Crystal System:Orthorhombic
Class (H-M):2 2 2 - Disphenoidal
Space Group:P21 21 21
Cell Parameters:a = 7.749(1) Å, b = 9.36(1) Å, c = 5.91(1) Å
Ratio:a:b:c = 0.828 : 1 : 0.631
Unit Cell Volume:V 428.66 ų (Calculated from Unit Cell)
Z:4
Morphology:Usually botryoidal, rare tiny crystals elongated [001] with curved and rough faces aggregated into crusts. Pseudo-octahedral.
Comment:For P212121; UCD for Pnam a 7.788, b 9.223, c 6.001
X-Ray Powder Diffraction:
Image Loading

Radiation - Copper Kα
Data Set:
Horizontal Axis: ° to ° Vertical Axis: % Source Data: Filtered Data:
Data courtesy of RRUFF project at University of Arizona, used with permission.
X-Ray Powder Diffraction:
d-spacingIntensity
4.18 (70)
3.17 (100)
2.91 (80)
2.63 (90)
2.26 (90)
1.868 (50)
1.750 (50)
1.637 (70)

Optical Data of Duftite

Type:Biaxial (-)
RI values: nα = 2.030 - 2.040 nβ = 2.060 - 2.080 nγ = 2.080 - 2.100
Birefringence:0.055
Maximum Birefringence:δ = 0.050 - 0.060

Chart shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration.
Surface Relief:Very High
Dispersion:r > v perceptible
Optical Extinction:Parallel
Pleochroism:Non-pleochroic

Chemical Properties of Duftite

Formula:
PbCu(AsO
 
4
)(OH)
Essential elements:As, Cu, H, O, Pb
All elements listed in formula:As, Cu, H, O, Pb

Relationship of Duftite to other Species

Series:Forms a series with Conichalcite (see here)
Forms a series with Mottramite (see here)
Member of:Adelite-Descloizite Group
Other Members of Group:

- +
Adelite
CaMg(AsO
 
4
)(OH)
Arsendescloizite
PbZn(AsO
 
4
)(OH)
Austinite
CaZn(AsO
 
4
)(OH)
Čechite
Pb(Fe
2+
 
,Mn
2+
 
)(VO
 
4
)(OH)
Cobaltaustinite
CaCo(AsO
 
4
)(OH)
Conichalcite
CaCu(AsO
 
4
)(OH)
Descloizite
Pb(Zn,Cu)(VO
 
4
)(OH)
Gabrielsonite
PbFe(AsO
 
4
)(OH)
Gottlobite
CaMg(VO
 
4
,AsO
 
4
)(OH)
Hermannroseite
CaCu(PO
 
4
)(OH)
Mottramite
PbCu(VO
 
4
)(OH)
Nickelaustinite
Ca(Ni,Zn)(AsO
 
4
)(OH)
Pyrobelonite
PbMn
2+
 
(VO
 
4
)(OH)
Tangeite
CaCu(VO
 
4
)(OH)
Common Associates:
AdamiteAzuriteBayldoniteCerussiteMalachite
MimetiteMottramiteOliveniteWulfenite
Related Minerals - Nickel-Strunz Grouping):

- +
8.BH.05Thadeuite
Ca(Mg,Fe
2+
 
)
 
3
(PO
 
4
)
 
2
(OH,F)
 
2
8.BH.10Durangite
NaAl(AsO
 
4
)F
8.BH.10Isokite
CaMg(PO
 
4
)F
8.BH.10Lacroixite
NaAl(PO
 
4
)F
8.BH.10Maxwellite
NaFe
3+
 
(AsO
 
4
)F
8.BH.10Panasqueiraite
CaMg(PO
 
4
)(OH,F)
8.BH.10Tilasite
CaMg(AsO
 
4
)F
8.BH.15Drugmanite
Pb(Fe
3+
 
,Al)
 
2
(PO
 
4
)
 
2
(OH)
 
2
8.BH.20Bjarebyite
(Ba,Sr)(Mn
2+
 
,Fe
2+
 
,Mg)
 
2
Al
 
2
(PO
 
4
)
 
3
(OH)
 
3
8.BH.20Cirrolite
Ca
 
3
Al
 
2
(PO
 
4
)
 
3
(OH)
 
3
 (?)
8.BH.20Kulanite
Ba(Fe
2+
 
,Mn
2+
 
,Mg)
 
2
(Al,Fe
3+
 
)
 
2
(PO
 
4
)
 
3
(OH)
 
3
8.BH.20Penikisite
Ba(Mg,Fe
2+
 
,Ca)
 
2
Al
 
2
(PO
 
4
)
 
3
(OH)
 
3
8.BH.20Perloffite
Ba(Mn
2+
 
,Fe
2+
 
)
 
2
Fe
3+
2
(PO
 
4
)
 
3
(OH)
 
3
8.BH.20Johntomaite
BaFe
2+
2
Fe
3+
2
(PO
 
4
)
 
3
(OH)
 
3
8.BH.25Bertossaite
(Li,Na)
 
2
(Ca,Fe
2+
 
,Mn
2+
 
)Al
 
4
(PO
 
4
)
 
4
(OH,F)
 
4
8.BH.25Palermoite
(Li,Na)
 
2
(Sr,Ca)Al
 
4
(PO
 
4
)
 
4
(OH)
 
4
8.BH.30Carminite
PbFe
3+
2
(AsO
 
4
)
 
2
(OH)
 
2
8.BH.30Sewardite
CaFe
3+
2
(AsO
 
4
)
 
2
(OH)
 
2
8.BH.35Adelite
CaMg(AsO
 
4
)(OH)
8.BH.35Arsendescloizite
PbZn(AsO
 
4
)(OH)
8.BH.35Austinite
CaZn(AsO
 
4
)(OH)
8.BH.35Cobaltaustinite
CaCo(AsO
 
4
)(OH)
8.BH.35Conichalcite
CaCu(AsO
 
4
)(OH)
8.BH.35Gabrielsonite
PbFe(AsO
 
4
)(OH)
8.BH.35Nickelaustinite
Ca(Ni,Zn)(AsO
 
4
)(OH)
8.BH.35Tangeite
CaCu(VO
 
4
)(OH)
8.BH.35Gottlobite
CaMg(VO
 
4
,AsO
 
4
)(OH)
8.BH.35Hermannroseite
CaCu(PO
 
4
)(OH)
8.BH.40Čechite
Pb(Fe
2+
 
,Mn
2+
 
)(VO
 
4
)(OH)
8.BH.40Descloizite
Pb(Zn,Cu)(VO
 
4
)(OH)
8.BH.40Mottramite
PbCu(VO
 
4
)(OH)
8.BH.40Pyrobelonite
PbMn
2+
 
(VO
 
4
)(OH)
8.BH.45Bayldonite
PbCu
 
3
(AsO
 
4
)
 
2
(OH)
 
2
8.BH.45Vésigniéite
BaCu
 
3
(VO
 
4
)
 
2
(OH)
 
2
8.BH.50Paganoite
NiBi(AsO
 
4
)O
8.BH.55Jagowerite
BaAl
 
2
(PO
 
4
)
 
2
(OH)
 
2
8.BH.55Carlgieseckeite-(Nd)
NaNdCa
 
3
(PO
 
4
)
 
3
F
8.BH.60Attakolite
(Ca,Sr)Mn(Al,Fe)
 
4
(HPO
 
4
,PO
 
4
)
 
3
(SiO
 
4
,PO
 
4
)(OH)
 
4
8.BH.65Leningradite
PbCu
 
3
(VO
 
4
)
 
2
Cl
Related Minerals - Hey's Index Grouping:

- +
20.5.1Cafarsite
Ca
 
8
(Ti,Fe,Fe,Mn)
 
6-7
(AsO
 
3
)
 
12
 · 4H
 
2
O
20.5.2Schultenite
Pb(HAsO
 
4
)
20.5.4Bayldonite
PbCu
 
3
(AsO
 
4
)
 
2
(OH)
 
2
20.5.5Philipsbornite
PbAl
 
3
(AsO
 
4
)
 
2
(OH)
 
5
 · H
 
2
O
20.5.6Arsendescloizite
PbZn(AsO
 
4
)(OH)
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(AsO
 
4
)(OH)
20.5.12Carminite
PbFe
3+
2
(AsO
 
4
)
 
2
(OH)
 
2
20.5.13Segnitite
PbFe
3+
3
(AsO
 
4
)
 
2
(OH,H
 
2
O)
 
6
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
(AsO
 
4
)
 
4
(OH)
 
10
20.5.16Mawbyite
Pb(Fe
3+
 
,Zn)
 
2
(AsO
 
4
)
 
2
 · 2(OH,H
 
2
O)
20.5.17Arsenbrackenbuschite

Other Names for Duftite

Synonyms:
α-Duftiteβ-DuftiteBeta-DuftiteDuftite-βDuftite-beta
Other Languages:
German:β-Duftit
Duftit
Russian:Дуфтит
Simplified Chinese:砷铜铅矿
砷铜铅石
Spanish:β-Duftita
Duftita
Varieties:
Calcio-duftiteDuftite-alpha

Other Information

Fluorescence in UV light:Not Fluorescent in UV
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 Duftite

Reference List:

- +
Pufahl (1920) Centralblatt für Mineralogie, Geologie und Paleontologie, Stuttgart: 289.

Barth and Berman (1930) Chemie der Erde, Jena: 5: 30.

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: 458.

Claringbull, G.F. (1951) New occurrences of duftite. Mineralogical Magazine, 29, 609–614.

Guillemin, C. (1956) Contribution a la minéralogie des arséniates,
phosphates et vanadates de cuivre. I. Arséniates de cuivre. Bulletin de la Société française de Minéralogie, 79, 7–95, esp. 70–80 (in French).

American Mineralogist (1957): 42: 123.

Jambor, J.L., D.R. Owens, and J.E. Dutrizac (1980) Solid solution in the
adelite group of arsenates. Canadian Mineralogist, 18, 191–195.

Kharisun, M.R. Taylor, D.J.M. Bevan,
and A. Pring (1998) The crystal chemistry of duftite, PbCuAsO4(OH) and the beta-duftite problem. Mineralogical Magazine, 62, 121–130.

Internet Links for Duftite

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    • Localities for Duftite

    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.
    Hide Locality List
    (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.
    Argentina
     
    • Córdoba
      • Minas Department
    		Sureda (1978): Revista de la Asociacion Geologica Argentina 33(4):299-324
    Australia
     
    • New South Wales
      • Robinson Co.
        • Cobar
          • Cobar
    		http://leme.anu.edu.au/Pubs/Advancesinregolith/Leverett_et_al.pdf
      • Yancowinna Co.
        • Broken Hill
    		Australian Min. 3:1 (1997)
    • Northern Territory
      • Pine Creek
    		Stuart Mills
      • Victoria-Daley Shire
        • Grove Hill
    		No reference listed
    • South Australia
      • Flinders Ranges
        • North Flinders Ranges
          • Arkaroola Region (Arkaroola Station)
            • Mount Fitton homestead
    		Australian Mineralogist (5), 5-8. (1990)
          • Leigh Creek
            • Puttapa
    		Elliott, P. (1991): Minerals from the Beltana mine, Puttapa, South Australia. Mineral. Rec. 22, 449-456.
      • Mt Lofty Ranges
        • South Mt Lofty Ranges (Adelaide Hills)
          • Clarendon
    		Kolitsch, U. and Elliott, P. (1999): Mineralogy of the Mount Malvern Mine near Clarendon, South Australia. Australian J. Mineral. 5, 3-17.
    • Western Australia
      • Ashburton Shire
    		[Mandarino, 1997]; Min. Record 24,203-218(1993)
    Mineralogical Record 24,203-216,218.
    Min.Record 24, 203-218(1993)
    Ashburtonite, a new bicarbonate-silicate mineral from Ashburton Downs; J.D. Grice, E.H. Nickel, R.A. Gault; American Mineralogist, Vol 76, 001701-1707, 1991
      • Roebourne Shire
        • Whim Creek
    		No reference listed
    Austria
     
    • Carinthia
      • Gailtaler Alpen & Karnische Alpen
        • Paternion
          • Pöllan
    		G.Indra 1997
    G.Blaß
      • Karawanken
        • Finkenstein
          • Mallestiger Mittagskogel
    		G. Niedermayr, I. Praetzel: Mineralien Kärntens, 1995
      • Saualpe
        • Trixen
    		G. Niedermayr, I. Praetzel: Mineralien Kärntens, 1995
    • Lower Austria
      • Mostviertel
    		Kolitsch, U., Bernhard, F., Brandstätter, F. & Auer, Ch. (2011): 1703) Adamin, Duftit und Rosasit aus dem Bergbaurevier Annaberg, Türnitzer Alpen, Niederösterreich. Pp. 168-169 in Niedermayr, G. et al. (2011): Neue Mineralfunde aus Österreich LX. Carinthia II, 201./121., 135-186.
    • Tyrol
      • North Tyrol
        • Inn valley
          • Brixlegg - Schwaz area
            • Brixlegg - Rattenberg
    		Lapis 29(9):9-11 (2004)
              • Geyer - Silberberg District
                • Silberberg
    		Schnorrer, G. and Poeverlein, R. (2002) Schwaz-Brixlegg-Fundstellen: 2. Die Minerale des Stockerstollens bei Brixlegg in Tirol. Aufschluss, 53, 209-228.
    R. Poeverlein and J. Gröbner (2007): "Der Bergbau Geyer bei Rattenberg in Tirol und seine Mineralien", Lapis 32(2), 34-38.
              • Reith
                • Unterstein
    		Putz, H. & Poeverlein, R. (2010): Die Mineralien des Silberbergstollens bei Unterstein, Reith bei Brixlegg, Tirol. Lapis 35 (5), 37-41; 58.
            • Schwaz
              • Ringenwechsel District
                • Weißer Schrofen
    		Schnorrer, G., Poeverlein, R. (2007): Die Minerale des Martinstollens am Weißen Schrofen, Der Aufschluss, Vol. 58, 27-40
          • Wörgl
            • Wildschönau
              • Thierbach
                • Graschberg
    		R. Poeverlein, J. Gröbner & U. Kolitsch (2010): Mineralien und Bergbau vom Graschberg bei Thierbach in der Tiroler Wildschönau. Lapis 35 (3), 35-40; 54 (in German).
    Chile
     
    • Atacama Region
      • Chañaral Province
        • Inca de Oro
    		maurizio dini - analysed material
      • Copiapó Province
        • Cachiyuyo de Llampos district
    		maurizio dini collection - analysed material
    maurizio dini & bob jenkins collection - analysed material
        • Tierra Amarilla
          • Pampa Larga district
    		Yang, H., Jenkins, R.A., Downs, R.T., Evans, S.H., Tait, K.T. (2011): Rruffite, Ca2Cu(AsO4)2·2H2O,a new member of the roselite group, from Tierra Amarilla, Chile. Canadian Mineralogist, 49, 877-884
    maurizio dini collection - quantitative analysis
    • Coquimbo Region
      • Choapa Province
        • Combarbalá
          • Cogotí
    		Samples analysed by Dr. Jochen Schluter, Curator of Hamburg Mineralogical Museum, Germany, and Dr. Hubert Putz (Salzburg Department of Mineralogy)
    China
     
    • Guangxi Zhuang Autonomous Region
      • Baise Prefecture
        • Debao Co.
    		Lairen Lai and Yi Li (1990): Mineral Resources and Geology 4(2); Yi Li and Lairen Lai (1991): Acta Mineralogica Sinica, English Edition 4(2), 187-194; Yi Li (2001): Guangxi Geology 14(1), 61-64
    Czech Republic
     
    • Bohemia (Böhmen; Boehmen)
      • Central Bohemia Region
        • Příbram
          • Vrančice
    		[Lapis 1995, 12, p.13-24]
    J.Hyrsl (1992)
      • Karlovy Vary Region
        • Krušné Hory Mts (Erzgebirge)
          • Jáchymov (St Joachimsthal) District
    		Lapis 2002(7/8), 63-65
      • Ústí Region
        • Krušné Hory Mts (Erzgebirge)
          • Dubí
    		Sejkora, J.: Minerály ložiska Moldava v Krušných horách. Bulletin Mineralogicko-petrografického oddělení Národního muzea v Praze, 1994, roč. 2, s. 110-116.
    France
     
    • Alsace
      • Bas-Rhin
        • Villé Valley
          • Urbeis
    		Thierry Brunsperger collection.
      • Haut-Rhin
        • Ste Marie-aux-Mines (Markirch)
    		Nicolas Meisser September 2009 analysis
    • Franche-Comté
      • Territoire-de-Belfort
    		U. Kolitsch (1997): Neufunde von Mineralien aus einigen Vorkommen der Vogesen, Frankreich: Giromagny, Auxelles-Haut und Kruth 1. Aufschluss 48 (4), 243-256.
    [Clark, 1993 - "Hey's Mineral Index"]
    • Languedoc-Roussillon
      • Aude
        • Tuchan
          • Montgaillard
    		Berbain,C., Favreau,G. et Aymar,J. (2005): Mines et minéraux des Corbières et des Pyrénées Orientales. AFM 2005, 250p
          • Padern
    		http://www.zampano.com/minmax/fundort.php3?lang=US&fp=1975&foid=1549]
      • Gard
        • Mercoirol
    		Le Cahier des micromonteurs, 1995, n°4, 14-29
    • Lorraine
      • Vosges
        • St Dié
          • Saulcy-sur-Meurthe
    		Wittern, Journée: "Mineralien finden in den Vogesen", von Loga (Cologne), 1997
    • Midi-Pyrénées
      • Aveyron
        • Monteils
    		No reference listed
        • Najac
    		Patrice Queneau Collection
    • Pays de Loire
      • Sarthe
    		Le Règne Minéral, 23, sept 1998, pages 5-14
    • Provence-Alpes-Côte d'Azur
      • Alpes-Maritimes
        • Saint-Martin-Vésubie
          • Belvédère
            • Capelet Mt.
    		R. Pierrot, P. Picot, J. Féraud, J. Vernet : "Inventaire Minéralogique de la France N° 4 : Alpes-Maritimes", BRGM, 1974
      • Var
        • Le Pradet
    		[UKJMM 2:11-15 "Cap Garonne Secondary Copper and Lead - W.R. van den Berg"]
    • Rhône-Alpes
      • Rhône
        • Beaujeu
          • Lantignié
    		EDS-analysed by Vincent Bourgoin, Association Jean Wyard
          • Les Ardillats
    		Favreau G., Legris J-R., Dardillac M. (1996), La Verrière (Rhône): Histoire et Minéralogie, Le Cahier des Micromonteurs, n°3, pp:3-28
        • Le Bois d'Oingt
          • Chessy-les-Mines
    		[Le Cahier des Micromonteurs 1988, 4, p.6-46]
        • Poule-les-Echarmeaux
    		[var: Calcio-duftite] Chollet Pascal Collection EDS by Vincent Bourgoin - Jean Wyart association
    Germany
     
    • Baden-Württemberg
      • Black Forest
        • Bad Rippoldsau
    		K. Walenta: "Die Mineralien des Schwarzwaldes", Weise (Munich), 1992
        • Elz valley
          • Bleibach
    		K. Walenta: "Die Mineralien des Schwarzwaldes", Weise (Munich), 1992
        • Emmendingen
          • Freiamt Pb-Cu mining District
    		S. Weiß: "Mineralfundstellen, Deutschland West", Weise (Munich), 1990
        • Gengenbach
          • Haigerach valley
    		Wittern,A. (1995) Mineralien finden im Schwarzwald
        • Hausach
    		K. Walenta: "Die Mineralien des Schwarzwaldes", Weise (Munich), 1992
        • Lahr
          • Reichenbach
    		Wittern: "Mineralfundorte in Deutschland", 2001
            • Weiler
    		Wittern: "Mineralfundorte in Deutschland", 2001
        • Münstertal
          • Belchen
    		S. Weiss: "Mineralfundstellen, Deutschland West", Weise (Munich), 1990
          • Staufen
            • Grunern
    		K. Walenta: "Die Mineralien des Schwarzwaldes", Weise (Munich), 1992
        • Schapbach
          • Seebach
    		K. Walenta: "Die Mineralien des Schwarzwaldes", Weise (Munich), 1992
          • Wildschapbach valley
    		Wittern: "Mineralfundorte in Deutschland", 2001
        • St Blasien
          • Urberg
    		Walenta: "Die Mineralien des Schwarzwaldes", Weise (Munich), 1992
        • Todtnau
          • St Wilhelm
    		Pöllmann, H., (1990): Mineralparagenesen im Nephelinbasanit von Triebendorf/ Opf., Der Aufschluss, Vol. 41(4), 219-226
        • Wolfach
          • Oberwolfach
            • Rankach valley
    		Walenta, K. (1992): Die Mineralien des Schwarzwaldes. Chr. Weise Verlag, München, 336 pp. (in German)
    • Bavaria
      • Franconia
        • Spessart
          • Aschaffenburg
            • Dörrmorsbach
    		A. Wittern: "Mineralfundorte in Deutschland", Schweizerbart (Stuttgart), 2001
          • Schöllkrippen
            • Huckelheim
    		- Hock, J. & Weis, T. (1992): Ehemalige Grube 'Segen Gottes' bei Huckelheim eine Fundstelle im Zechstein des Spessarts. Der Aufschluss, 43, 55-63. (in German)
    • Hesse
      • Fulda
        • Großenlüder
          • Müs
    		P Haas collection
      • Odenwald
        • Lautertal (Odenwald)
          • Raidelbach
            • Katzenstein
    		Collection of Steffen Michalski, ex-collection and collected by Klaus PETITJEAN
          • Reichenbach
            • Borstein
    D Schläfli collection
            • Hohenstein
    		Collection of Steffen Michalski, ex-collection and collected by Klaus PETITJEAN
    Lapis 25(2), 13-30 (2000)
    Collection of Steffen Michalski, ex-collection and collected by Klaus PETITJEAN
    Belendorff, K & Petitjean, K. (1987): Reichenbach im Odenwald. Die Mineralien von Fundpunkt 16.1. bei Reichenbach. LAPIS 12 (10), 23-32 + 58
    Collection of Steffen Michalski, ex-collection and collected by Klaus PETITJEAN
      • Richelsdorf District
        • Süss
          • Richelsdorf Smelter
    		S. Weiß: "Mineralfundstellen, Deutschland West", Weise (Munich), 1992
      • Spessart
        • Freigericht
          • Altenmittlau
    		Lapis 1985(1), 13-16; Emser Hefte 1988(1), 56-64
    • Lower Saxony
      • Harz
        • Clausthal-Zellerfeld
          • Oberschulenberg
    		Lapis, 11 (1), 9-18+42
        • St Andreasberg District
          • St Andreasberg
    		Weiss: "Mineralfundstellen, Deutschland West", Weise (Munich), 1990
    J. Gröbner: Neufunde aus den Bergbaurevieren St. Andreasberg, Bad Lauterberg und von Oberschulenberg im Harz, MINERALIEN-WELT 18 (2007), 43-51.
    • North Rhine-Westphalia
      • Bergisches Land
        • Engelskirchen
          • Loope
    		Habel, B. & Linder, R. (2009): Die Grube "Castor" bei Loope und ihre Mineralien. Mineralien-Welt 20 (3), 10-23
    Heckmann, H. & Schertl, H.-P. (1990): Der Niederbergische Erzbergbau und seine Mineralien. Emser Hefte, 11 (2), 2-40.
        • Heiligenhaus
          • Flandersbach
    		Lapis 1988(1), 16-35
    • Rhineland-Palatinate
      • Lahn valley
    		Wittern: "Mineralfundorte in Deutschland", 2001
          • Frücht
    		SCHNORRER, G. (1995): Mineralogische Neuheiten von bekannten deutschen Fundorten. Lapis 20 (12), 43-48; 62.
      • Palatinate
        • Winnweiler
          • Imsbach
    		Lapis, 9 (5), 36-39.
    Lapis, 9 (5), 36-39.
      • Westerwald
        • Linz am Rhein
          • Kalenborn
            • Kasbach
    		Markl, G., (1990): Die Grube Clemenslust bei Kalenborn im Siebengebirge, Der Aufschluss, Vol. 41, 185-201
          • Rheinbreitbach
    		Weiss: "Mineralienfundstellen, Deutschland West", Weise (Munich), 1990
    • Saxony
      • Erzgebirge
        • Clausnitz - Sayda District
          • Sayda
    		Witzke, T. (2012): Neubestimmungen von Fundstellen in Sachsen: Pyracmonit, Philipsbornit, Mottramit, Mansfieldit, Hydrocerussit und weitere. Aufschluss, 63, 295-300.
        • Marienberg District
          • Lauta
    		J. Gröbner und U. Kolitsch (2006): Neufunde aus dem Erzgebirge (II). Mineralien-Welt 17 (3), 22-27.
        • Niederschlag-Bärenstein District
          • Bärenstein
            • Niederschlag
    		Lapis, 19 (4), 13-22+50.
        • Schneeberg District
          • Neustädtel
    		J. Gröbner und U. Kolitsch (2005): Neufunde aus dem Bergrevier Schneeberg im Erzgebirge. Lapis 30 (7-8), 71-73; 81-82.
    J. Gröbner, U. Kolitsch: Lapis 30(7/8):71-73 (2005)
        • Schwarzenberg District
          • Langenberg
            • Graul
    		http://www.dergraul.de
    Greece
     
    • Attikí (Attica; Attika) Prefecture
      • Lavrion (Laurion; Laurium) District
    		Schnorrer, G. & Breitenbach, H. (1999): Neue Minerale von den alten Lagerstätten Lavrions/Griechenland. Aufschluss 50, 207-209. [as β-Duftite]
          • Agios Konstantinos [St Constantine] (Kamariza)
            • Kamariza Mines (Kamareza Mines)
    		No reference listed
    Lapis No.7/8 1999 p.70-74; GRÖBNER, J. (2001): Roter Skorodit und weitere ungewöhnliche Arsenate: Die Mineralien des Abbaus 132 der Grube Christiana, Lavrion/Griechenland. Lapis, 26 (11), 13-21.
          • Lavrion (Laurion; Laurium)
    		Steve Rust Collection
          • Sounion area
            • Sounion Mines
    		Lapis, 24, 7/8 (1999)
    Italy
     
    • Friuli Venezia Giulia
      • Udine Province
        • Degano Valley
    		EDX analysis by Italo Campostrini
    • Piedmont
      • Verbano-Cusio-Ossola Province
        • Ossola Valley
          • Baceno
            • Devero Alp (Devero Valley; Val Devero)
    		Piccoli, G.C., Maletto, G., Bosio, P., Lombardo, B. (2007). Minerali del Piemonte e della Valle d'Aosta. Associazione Amici del Museo "F. Eusebio" Alba, Ed., Alba (Cuneo) 607 pp.; Guastoni, A. (2009): Monte Cervandone. Recenti novità mineralogiche. Rivista Mineralogica Italiana 2009 (1), 38-48.
    Piccoli, G.C., Maletto, G., Bosio, P., Lombardo, B. (2007). Minerali del Piemonte e della Valle d'Aosta. Associazione Amici del Museo "F. Eusebio" Alba, Ed., Alba (Cuneo) 607 pp.
    • Sardinia
      • Carbonia-Iglesias Province
        • Domusnovas
          • Oridda
    		Stara, P., Rizzo, R., Tanca, G.A. (1996): Iglesiente - Arburese. Miniere e Minerali. Edito a cura dell'EMSA e "varie associazioni mineralogiche", Volume 1, 238 pp.
    • Tuscany
      • Lucca Province
        • Apuan Alps
          • Seravezza
    		Orlandi et al., 1996. Minerals of the Seravezza Marble, Tuscany, Italy. Min. Rec., 27: 47-58. ; Orlandi, P. & Criscuolo, A. (2009). Minerali del marmo delle Alpi Apuane. Pacini editore, Pisa, 180 pp.
    Japan
     
    • Kyushu Region
      • Miyazaki Prefecture
        • Takachiho
    		pers. comm. Kotaro Watanabe, 9-11-2000
    Mexico
     
    • Durango
      • Mun. de Mapimí
        • Mapimí
    		[Clark, 1993 - "Hey's Mineral Index"; Rocks & Min.: 56:247.]
    Namibia
     
    • Otjikoto (Oshikoto) Region
      • Tsumeb
    		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: 811; Canadian Mineralogist (1980): 18: 191.
    • Otjozondjupa Region
      • Grootfontein District
        • Kombat
    		Dunn, P.J. (1991), Rare minerals of the Kombat Mine, Mineralogical Record: 22(6): 421-425.
    Am Min (1959) 44:682-685
    Poland
     
    • Lower Silesia (Dolnośląskie)
      • Rudawy Janowickie Mts
        • Jelenia Góra District
    		SiudaR., K. Gal-Solymos, Kruszewski L., 2006: Agardite-(La)-duftite and scorodite-köttigite-like mineral paragenesis from supergenic zone of the Miedzianka deposit (Rudawy Janowickie Mts., Poland) – preliminary report. Mineralogia Polonica Special Papers, 29, 192-195
    Portugal
     
    • Beja District
      • Almodôvar
        • Monte Dos Mestres
    Russia
     
    • Urals Region
      • Middle Urals
        • Sverdlovskaya Oblast'
          • Ekaterinburg (Sverdlovsk)
            • Berezovskii (Berezovskii Zavod)
              • Berezovskoe Au Deposit (Berezovsk Mines)
                • Uspenskaya Mt
    		Pekov, I. (1998) Minerals First discovered on the territory of the former Soviet Union 369p. Ocean Pictures, Moscow
    South Africa
     
    • Gauteng Province
    		Minerals of South Africa
    Spain
     
    • Andalusia
    		Rui Nunes collection
        • Bédar
          • El Pinar de Bédar
    		Viñals, J., Calvo, M. and Martí, J. (2008). Minerales de Pb y Cu en las minas de Pinar de Bédar, Almería. Revista de Minerales, 3 (5), 6-13
        • Níjar
          • Huebro
    		Dr. César Menor Salván
          • Rodalquilar
            • Cerro de los Guardias
    		Christiane & Jean-Robert EYTIER collection
      • Granada
        • Baza
    		Solá, Calvo & Viñals
    • Castile-La Mancha
      • Guadalajara
        • Pardos
    		Borja Sainz de Baranda, Joan Viñals (2007). La Mina "Estrella", Pardos (Guadalajara). Bocamina 19: 12-33
    • Catalonia
      • Tarragona
        • Priorat
          • El Molar
    		Joan Abella i Creus (2008): Minerals I Mines De La Conca De Bellmunt Del Priorat.
    Switzerland
     
    • Glarus
      • Murg Valley
    		No reference listed
    • Grischun (Grisons; Graubünden)
    		Schmutz, L., Graeser, S., Eichin, R., Stoecklin, D., Rüegg, H.R., and Düggelin, M. (1982): Mineralienfreund 20, 1-24; 29-56.
    • Wallis (Valais)
      • Bagnes Valley
        • Bruson
    		Cuchet, S., Ansermet, S. & Meisser, N. (2012): Die kupferhaltige Mineralisierung am Six Blanc im Wallis. Schweizer Strahler 46 (4), 2-16 (in German and French).
      • Martigny
        • Mont Chemin
    Stalder, H. A., Wagner, A., Graeser, S. and Stuker, P. (1998): Mineralienlexikon der Schweiz. Wepf (Basel), p. 143.
      • Turtmann Valley
        • Illgraben
    		Ansermet, S. (2012): Mines et minéraux du Valais - II. Anniviers et Tourtemagne. With contributions by N. Meisser, Ed. Porte-plumes (Ayer)
    UK
     
    • England
      • Cornwall
        • Mount's Bay District
          • St Hilary
    		No reference listed
    No reference listed
      • Cumbria
        • North and Western Region (Cumberland)
          • Caldbeck Fells
            • Carrock Fell
    		[var: Calcio-duftite] No reference listed
            • Coombe Height
    		Journal of The Russell Society, Volume 9, 2006
    No reference listed
    No reference listed
    Journal of The Russell Society, Volume 9, 2006
            • Potts Gill
    		No reference listed
      • Somerset
        • Cranmore
    		Turner, R.W. and Rumsey, M.S. (2010): Mineral Relationships in the Mendip Hills. Journal of the Russell Society, vol 13, pp 3-46.
    • Scotland
      • Dumfries & Galloway (Dumfries-shire)
        • Wanlockhead
    		Minerals Of Scotland
    USA
     
    • Alaska
      • Nome Borough
        • Council District
    		U.S. Geological Survey, 2008, Alaska Resource Data File (ARDF): U.S. Geological Survey Open-File Report 2008-1225.
    U.S. Geological Survey, 2008, Alaska Resource Data File (ARDF): U.S. Geological Survey Open-File Report 2008-1225.
    • Arizona
      • Cochise Co.
        • Dragoon Mts
          • Johnny Lyon Hills
            • Tres Alamos Wash
    		Robert Jenkins Raman Spectroscopy
      • Gila Co.
        • Dripping Spring Mts
          • Banner District
            • Christmas area
              • Christmas
    		Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 208.
      • Maricopa Co.
        • Big Horn Mts
          • Osborn District
            • Hummingbird Spring
    		Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 208; Williams, S.A. (1968), Wickenburgite, a new mineral from Arizona, Am.Min.: 53: 1433-1438.
            • Tonopah
              • Belmont Mountain
                • Tiger Wash
        • Vulture Mts
          • Vulture District
    		Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 208; Williams, S.A. (1968), Wickenburgite, a new mineral from AZ, Am.Min.: 53: 1433-1438.
      • Mohave Co.
    		Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd. ed.: 208.
      • Pima Co.
        • Sierrita Mts
          • Pima District (Olive District; Mineral Hill District; Twin Buttes District)
            • Twin Buttes
    		Galbraith, F.W. (1947), Minerals of Arizona, AZ Bur. Mines Bull. 153: 208.
      • Pinal Co.
        • Galiuro Mts
          • Table Mountain District
            • Table Mountain area
    		Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 208.
      • Yavapai Co.
        • Black Hills (Black Hill Range)
          • Verde District
    		Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 208.
    • California
      • Inyo Co.
        • Death Valley National Park
          • Panamint Mts (Panamint Range)
            • Ubehebe District
              • Big Dodd Spring
    		[MinRec 32:393]
        • Inyo Mts (Inyo Range)
    		Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 50, 172.
    Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 323.
    Calif. Div. of Mines & Geology Bull. #189, Murdoch, et al (1966): 50.
          • Manzanar Station area
    		Adams, Paul (2010) The Brown Monster and Reward Mines Inyo County, California. Mineralogical Record 41:175-193.
    Mineral News Vol 16-5 Adams, Paul Microminerals From the Reward Mine, Inyo Co., California; Adams, Paul (2010) The Brown Monster and Reward Mines Inyo County, California. Mineralogical Record 41:175-193.
      • San Bernardino Co.
        • Clark Mts (Clark Mountain Range)
          • Clark Mountain District
            • Pactolus
              • Mohawk Hill
    		Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 172; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 323; Mineralien Welt 1/93: 44.
        • Stedman District
          • Stedman
    		Bulletin of the Mineralogical Society of Southern California, Vol. 76 No. April 2006
    • Colorado
      • Hinsdale Co.
    		Rocks & Minerals: Sept, 1998
      • Park Co.
        • Montezuma District
          • Hall Valley
    		Minerals of Colorado (1997) Eckels, E. B.
    • Idaho
      • Clark Co.
        • Skull Canyon District
          • Kaufman
    		Ream, Lanny R. 2004. Idaho Minerals, 2nd edition, Revised and Updated
      • Custer Co.
        • Bay Horse District
    		Ream, Lanny R. 2004. Idaho Minerals, 2nd edition, Revised and Updated
    • Montana
      • Beaverhead Co.
        • Blue Wing District
    		Collected by and in the collection of Brent Thorne.
      • Granite Co.
        • Philipsburg District (Flint Creek District)
          • Durango & Moorlight Group (Durango & Moonlight Group)
    		Gobla, M.J. (2012) Montana mineral locality index. Rocks & Minerals, 87, #3, 208-240.
    Gobla, M.J. (2012) Montana mineral locality index. Rocks & Minerals, 87, #3, 208-240.
          • John Long Mts
            • Flint Creek Valley
    		Waisman D. (1992) Minerals of the Black Pine Mine, Granite County, Montana Mineralogical Record, Vol. 23 No. 6, p. 477-483.; Gobla, M. J. (2012) Montana Mineral Locality Index. Rocks and Minerals 87:208-240.
    Gobla, M.J. (2012) Montana mineral locality index. Rocks & Minerals, 87, #3, 208-240.
    • Nevada
      • Clark Co.
        • Goodsprings District
    		Rocks & Minerals 83:1 pp 65-69
      • Elko Co.
    		USGS Open-File Report 76-56
          • Alladin Group
    		NBMG Spec. Pub. 31 Minerals of Nevada; USGS Open-File Report 76-56
      • Esmeralda Co.
    		Rocks & Minerals, Nov. 1999
        • Rock Hill District
    		NBMG Spec. Pub. 31 Minerals of Nevada
    NBMG Spec. Pub. 31 Minerals of Nevada
        • Weepah District
    		NBMG Spec. Pub. 31 Minerals of Nevada
    Rocks & Minerals, Nov. 1999
      • Humboldt Co.
        • Iron Point District
          • Valmy
    		Dr. William S. Wise presentation to Northwest Micro Mineral Study Group on 1 May 2004, Update on Mineralogy of the Silver Coin Mine, Iron Point District, Edna Mountains, Humboldt Co., Nevada
      • Lander Co.
    		NBMG Spec. Pub. 31 Minerals of Nevada
      • Mineral Co.
        • Garfield District
    		NBMG Spec. Pub. 31 Minerals of Nevada
      • Nye Co.
        • Lodi District
          • Quartz Mountain camp
    		NBMG Spec. Pub. 31 Minerals of Nevada
    Rocks & Minerals (2010) 85:512-524
    • New Jersey
      • Sussex Co.
        • Franklin Mining District
          • Ogdensburg
            • Sterling Hill
    		Jenkins, R.A. II: The Picking Table:34(2):6-11 (1993); Dunn(1995):Pt5:667.
    • New Mexico
      • Grant Co.
        • Steeple Rock District
          • Jim Crow-Imperial
    		2008 New Mexico Mineral Symposium abstracts ; 2009 New Mexico Mineral Symposium abstracts
      • Hidalgo Co.
        • Peloncillo Mts
          • San Simon District
    		Minerals of New Mexico, Northrup (3rd Ed., LaBruzza, 1996)
      • Lincoln Co.
        • Red Cloud District
          • Gallinas Mts
    		R&M 71:1 p66-68; NMBMGMR Open-file Report - 532
      • Luna Co.
        • Victorio District
    		Walstrom 2006 New Mexico Mineral Symposium abstracts
          • Mine Hill
    		Eckhard D. Stuart collection
      • Socorro Co.
        • North Magdalena District
          • Silver Hill area
    		Minerals of New Mexico 3rd ed.
    • Utah
      • Juab Co.
        • East Tintic Mts
          • Tintic District
    		[MinRecord 29:177]
      • Tooele Co.
        • Deep Creek Mts
          • Gold Hill District (Clifton District)
            • Gold Hill
    		Collected by and in the collection of Brent Thorne.
        • Oquirrh Mts
          • Ophir District
            • Dry Canyon area
    		Collected by and in the collection of Brent Thorne.
    Collected by and in the collection of Brent Thorne.
    • Virginia
      • Campbell Co.
        • James River-Roanoke River Manganese District
          • Lynch Station
    		Minerals of Virginia, 1990 by R. V. Dietrich
    Zimbabwe
     
    • Mashonaland West
      • Kadoma District
    		Vetter, U., Weck, H.-D., Weale, T., Klosa, D., Wittich, C. and Hoffmann, K. (1999): A provisional inventory of the Sanyati oxide-zone minerals, Zimbabwe. Z. Angew. Geol. 45, 15-21.
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