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Agardite-(La)

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Agardite-(La), etc.

Serpieri Mine, Kamariza Mines, Agios Konstantinos [St Constantine], Lavrion District Mines, Lavrion District, Attikí Prefecture, Greece
Agardite-(La)

Lavrion District Mines, Lavrion District, Attikí Prefecture, Greece
Agardite-(La)

Hilarion Mine, Hilarion area, Kamariza Mines, Agios Konstantinos [St Constantine], Lavrion District Mines, Lavrion District, Attikí Prefecture, Greece
Agardite-(La), etc.

Serpieri Mine, Kamariza Mines, Agios Konstantinos [St Constantine], Lavrion District Mines, Lavrion District, Attikí Prefecture, Greece
Agardite-(La)

Lavrion District Mines, Lavrion District, Attikí Prefecture, Greece
Agardite-(La)

Hilarion Mine, Hilarion area, Kamariza Mines, Agios Konstantinos [St Constantine], Lavrion District Mines, Lavrion District, Attikí Prefecture, Greece
Agardite-(La), etc.

Serpieri Mine, Kamariza Mines, Agios Konstantinos [St Constantine], Lavrion District Mines, Lavrion District, Attikí Prefecture, Greece
Agardite-(La)

Lavrion District Mines, Lavrion District, Attikí Prefecture, Greece
Formula:
LaCu6(AsO4)3(OH)6 · 3H2O
System:
Hexagonal
Colour:
Grass-green to dull ...
Lustre:
Sub-Vitreous, Resinous, Waxy
Hardness:
3 - 4
Member of:
Name:
Named by Peter J. Modreski in 1983 for its relationship to the other Agardite series minerals.
Mixite Group.


Classification of Agardite-(La)

IMA status:
Approved
Approval Year:
1980
Strunz 8th ed.:
7/D.53-50
Nickel-Strunz 10th (pending) ed.:
8.DL.15

8 : PHOSPHATES, ARSENATES, VANADATES
D : Phosphates, etc. with additional anions, with H2O
L : With large and medium-sized cations, (OH, etc.):RO4 = 2:1
Hey's CIM Ref.:
20.4.14

20 : Arsenates (also arsenates with phosphate, but without other anions)
4 : Arsenates of Group III metals (Al, rare earths)

Physical Properties of Agardite-(La)

Lustre:
Sub-Vitreous, Resinous, Waxy
Diaphaneity (Transparency):
Transparent, Translucent
Colour:
Grass-green to dull green, yellowish green to intense bluish green, rarely nearly colourless.
Streak:
greenish white
Hardness (Mohs):
3 - 4
Tenacity:
Brittle
Density:
3.65 g/cm3 (Measured)    3.62 g/cm3 (Calculated)

Optical Data of Agardite-(La)

Type:
Uniaxial
Pleochroism:
Non-pleochroic

Chemical Properties of Agardite-(La)

Formula:
LaCu6(AsO4)3(OH)6 · 3H2O
IMA Formula:
Cu62+La(AsO4)3(OH)6 · 3H2O
Elements listed in formula:
As, Cu, H, La, O - search for minerals with similar chemistry

Crystallography of Agardite-(La)

Crystal System:
Hexagonal
Class (H-M):
6/m - Dipyramidal
Cell Parameters:
a = 13.586 Å, c = 5.931 Å
Ratio:
a:c = 1 : 0.437
Unit Cell Volume:
V 948.07 ų (Calculated from Unit Cell)
Z:
2
Morphology:
Crystals acicular, prismatic, to 3 mm, in tufted groups, spherical rosettes.

Occurrences of Agardite-(La)

Type Occurrence of Agardite-(La)

Type Locality:
ⓘ Dorothea Mine, Freudenstadt, Black Forest, Baden-Württemberg, Germany
Place of Conservation of Type Material:
National Museum of Natural History, Washington, D.C., USA, 148987, 148988.
Geological Setting of Type Material:
Fluorite mine
Associated Minerals at Type Locality:
QuartzFluoriteBastnäsite-(Ce)Baryte

Relationship of Agardite-(La) to other Species

Member of:
Mixite Group
Other Members of Group:
Agardite-(Ce)CeCu6(AsO4)3(OH)6 · 3H2O
Agardite-(Dy)(Dy,La)Cu6(AsO4)3(OH)6 · 3H2O
Agardite-(Nd)NdCu6(AsO4)3(OH)6 · 3H2O
Agardite-(Y)YCu6(AsO4)3(OH)6 · 3H2O
CalciopetersiteCaCu6(PO4)2(PO3OH)(OH)6 · 3H2O
GoudeyiteAlCu6(AsO4)3(OH)6 · 3H2O
MixiteBiCu6(AsO4)3(OH)6 · 3H2O
Petersite-(Ce)Cu6Ce(PO4)3(OH)6·3H2O
Petersite-(Y)(Y,Ce,Nd)Cu6(PO4)3(OH)6 · 3H2O
Plumboagardite(Pb,REE,Ca)Cu6(AsO4)3(OH)6 · 3H2O
ZálesíiteCaCu6(AsO4)2(AsO3OH)(OH)6 · 3H2O
Common Associates:
Aurichalcite
Azurite
Baryte
Bastnäsite
Calcite
Cerussite
Chrysocolla
Conichalcite
Cuprian Adamite
Fluorite
Gibbsite
Hydrozincite
Malachite
Mimetite
Mottramite
Quartz
Smithsonite
Vanadinite
Wulfenite
Zincaluminite
Related Minerals - Nickel-Strunz Grouping):
8.DL.05FoggiteCaAl(PO4)(OH)2 · H2O
8.DL.10CyriloviteNaFe33+(PO4)2(OH)4 · 2H2O
8.DL.10Millisite(Na,K)CaAl6(PO4)4(OH)9 · 3H2O
8.DL.10WarditeNaAl3(PO4)2(OH)4 · 2H2O
8.DL.15Agardite-(Nd)NdCu6(AsO4)3(OH)6 · 3H2O
8.DL.15Agardite-(Y)YCu6(AsO4)3(OH)6 · 3H2O
8.DL.15Agardite-(Ce)CeCu6(AsO4)3(OH)6 · 3H2O
8.DL.15GoudeyiteAlCu6(AsO4)3(OH)6 · 3H2O
8.DL.15MixiteBiCu6(AsO4)3(OH)6 · 3H2O
8.DL.15Petersite-(Y)(Y,Ce,Nd)Cu6(PO4)3(OH)6 · 3H2O
8.DL.15ZálesíiteCaCu6(AsO4)2(AsO3OH)(OH)6 · 3H2O
8.DL.15Plumboagardite(Pb,REE,Ca)Cu6(AsO4)3(OH)6 · 3H2O
8.DL.15CalciopetersiteCaCu6(PO4)2(PO3OH)(OH)6 · 3H2O
8.DL.20CheremnykhitePb3Zn3(VO4)2(TeO6)
8.DL.20DugganitePb3Zn3(AsO4)2(TeO6)
8.DL.20KuksitePb3Zn3(PO4)2(TeO6)
8.DL.20WallkilldelliteCa2Mn32+(AsO4)2(OH)4 · 9H2O
8.DL.20Wallkilldellite-(Fe)(Ca,Cu)4Fe62+(AsO4,SiO4)4(OH,O)8 · 18H2O
8.DL.25AngastoniteCaMgAl2(PO4)2(OH)4 · 7H2O
Related Minerals - Hey's Index Grouping:
20.4.1MansfielditeAlAsO4 · 2H2O
20.4.2BulachiteAl2(AsO4)(OH)3 · 3H2O
20.4.3PharmacoalumiteKAl4(AsO4)3(OH)4 · 6.5H2O
20.4.4LuetheiteCu2Al2(AsO4)2(OH)4
20.4.5ArsenogoyaziteSrAl3(AsO4)(AsO3OH)(OH)6
20.4.6ArsenocrandalliteCaAl3(AsO4)(AsO3OH)(OH)6
20.4.7Arsenoflorencite-(Ce)CeAl3(AsO4)2(OH)6
20.4.8Arsenoflorencite-(La)LaAl3(AsO4)2(OH)6
20.4.9Arsenoflorencite-(Nd)NdAl3(AsO4)2(OH)6
20.4.10Gerdtremmelite(Zn,Fe)(Al,Fe)2(AsO4)(OH)5
20.4.11Gasparite-(Ce)Ce(AsO4)
20.4.12Chernovite-(Y)Y(AsO4)
20.4.13Agardite-(Y)YCu6(AsO4)3(OH)6 · 3H2O
20.4.15GoudeyiteAlCu6(AsO4)3(OH)6 · 3H2O
20.4.16Retzian-(Ce)Mn22+Ce(AsO4)(OH)4
20.4.17Retzian-(La)(Mn2+,Mg)2(La,Ce,Nd)(AsO4)(OH)4
20.4.18Retzian-(Nd)Mn22+(Nd,Ce,La)(AsO4)(OH)4

Other Names for Agardite-(La)

Synonyms:

IMA1980-092

Name in Other Languages:
Simplified Chinese:砷镧铜石
Traditional Chinese:砷鑭銅石

Other Information

Fluorescence in UV light:
Not fluorescent
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 Agardite-(La)

Reference List:
Modresky, P.J. (1983) Agardite-(La), a Chemically Complex Rare-Earth Arsenate from the Gallinas District, Lincoln Co., New Mexico. In Anthony, J. W., (editor), Oxidation Mineralogy of Base Metal Deposits, Fifth Joint Mineralogical Society of America - Friends of Mineralogy Symposium.

Fehr, T., Hochleitner, R. (1984) Agardit-La: Ein neues Mineral von Lavrion, Griechenland. Lapis: 1: 22,37. [in German]

Dunn, P.J., Fleischer, M., Langley, R.H., Shigley, J.E., Zilczer, J.A. (1985) New mineral names. American Mineralogist: 70: 871-881.

Internet Links for Agardite-(La)

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    • Localities for Agardite-(La)

    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.
    Austria
     
    • Carinthia
      • Gurktaler Alpen
        • St Veit an der Glan
          • Äußere Wimitz
    		Kolitsch, U., Blaß, G. & Auer, C. (2010): 1618) Bleihaltiger Agardit-(La) und Brookit von der Äußeren Wimitz, St. Veit an der Glan, Gurktaler Alpen. P. 203 in Niedermayr et al. (2010): Neue Mineralfunde aus Österreich LIX. Carinthia II, 200./120., 199-260.
    Bulgaria
     
    • Sofiya Oblast (Sofia Oblast)
    		Kunov, A. Y.; Nakov, R. A.; Stanchev, C. D. (2002): First agardite-(Y), -(Nd), -(La) find in Bulgaria. Neues Jahrbuch fuer Mineralogie, Monatshefte 2002, 107-116.
    France
     
    • Bourgogne-Franche-Comté
      • Territoire-de-Belfort
        • Giromagny
    		Hohl: "Minéraux et Mines du Massif Vosgien", Editions du Rhin (Mulhouse), 1994
    • Grand Est
      • Bas-Rhin
        • Villé Valley
          • Urbeis
    		N. Meisser2001 and 2002 Analysis
    • Occitanie
      • Aveyron
        • Monteils
    		- Favreau G., Eytier J-R., Eytier C. (2010), Les minéraux de la mine de Falgayrolles (Aveyron), Le Cahier des Micromonteurs, n°109
    Patrice Queneau Collection
        • Najac
    		Jean Claude Dol
    Germany
     
    • Baden-Württemberg
      • Black Forest
        • Feldberg area
    		Brill, A. R. & Bär, W. (2017): Reevesit von der ehemaligen Grube Rotenbach am Feldberg, ein neues Mineral aus dem Schwarzwald. Mineralien-Welt, 28(1), 62-64.
        • Freudenstadt
    		Wittern: "Mineralfundorte in Deutschland", Schweizerbart (Stuttgart), 2001
        • Wolfach
          • Oberwolfach
            • Rankach valley
    		Handbook of Mineralogy
    • Lower Saxony
      • Harz
        • St Andreasberg District
          • Oder valley
    		Weiss: "Mineralfundstellen, Deutschland West", 1990
          • St Andreasberg
    		No reference listed
    Greece
     
    • Attikí Prefecture (Attica; Attika)
      • Lavrion District (Laurion; Laurium)
        • Lavrion District Mines
          • Agios Konstantinos [St Constantine] (Kamariza)
    		LAPIS 24 (7/8) 1999; Wendel, W. and Markl, G. (1999) Lavrion: Mineralogische Klassiker und Raritäten für Sammler. LAPIS 24 (7/8):34-52
            • Kamariza Mines (Kamareza Mines)
    		Elbin, K. & Wendel, W. (1996): Lavendulan aus Lavrion. Lapis, 21 (11), 42-43; 62. ; Hanke, H. (1998): Laurion - ein Rückblick auf die Funde der letzten drei Jahre. Mineralien-Welt, 9 (2), 37-45.; J. Gröbner und U. Kolitsch (2002): Neufunde von Laurion aus den Jahren 2001 und 2002. Aufschluss 53 (5-6), 363-371.
    GRÖBNER, J. (2001): Roter Skorodit und weitere ungewöhnliche Arsenate: Die Mineralien des Abbaus 132 der Grube Christiana, Lavrion/Griechenland. Lapis, 26 (11), 13-21.
              • Hilarion area
    		Hanke, H. (1998): Laurion - ein Rückblick auf die Funde der letzten drei Jahre. Mineralien-Welt, 9 (2), 37-45.
          • Sounion Area
            • Agia Varvara Mines (St Barbara Mines)
    Italy
     
    • Sardinia
      • Carbonia-Iglesias Province
        • Domusnovas
          • Oridda
    		Anthony, Bideaux, Bladh, Nichols: "Handbook of Mineralogy", Vol. 4, 2000
    • Trentino-Alto Adige (Trentino-Südtirol)
      • Trento Province
        • Valsugana
          • Novaledo
    		Rocchetti I., Gentile P. and Ferretti P. (2012): La Miniera di Frattasecca presso Malga Broi (Novaledo, Trentino-Alto Adige). Storia e nuove segnalazioni mineralogiche. Studi Trentini di Scienze Naturali, 92, pagg. 167-180.
    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
    Switzerland
     
    • Ticino (Tessin)
      • Malcantone
        • Alto Malcantone
          • Breno
    		Stalder, H. A., Wagner, A., Graeser, S. and Stuker, P. (1998): "Mineralienlexikon der Schweiz", Verlag Wepf & Co. (Basel), p. 24
    UK
     
    • England
      • Cornwall
        • Mount's Bay District
          • St Hilary
    		Betterton, J. (2000) Famous Mineral Localities: Penberthy Croft Mine, St. Hilary, Cornwall, England. UK Journal of Mines & Minerals, 20, 7-37
        • St Erth - Gwithian Area
          • Hayle
            • Great Wheal Alfred (Alfred Consols)
    		Anthony, Bideaux, Bladh, Nichols: "Handbook of Mineralogy", Vol. 4, 2000
      • Cumbria
        • Caldbeck Fells
          • Carrock Fell
    		Anthony, Bideaux, Bladh, Nichols: "Handbook of Mineralogy", Vol. 4, 2000
          • Deer Hills
    		Anthony, Bideaux, Bladh, Nichols: "Handbook of Mineralogy", Vol. 4, 2000
    USA
     
    • California
      • San Benito Co.
        • Diablo Range
          • New Idria District
            • San Benito River headwaters area
              • Dallas Gem Mine area
                • Santa Rita Peak
    		www.mineralsocal.org
    • New Mexico
      • Lincoln Co.
        • Red Cloud District
          • Gallinas Mts
    		Anthony, Bideaux, Bladh, Nichols: "Handbook of Mineralogy", Vol. 4, 2000
    Handbook of Mineralogy - Anthony, Bideaux, Bladh, Nichols
    Mineral and/or Locality  
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