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Agardite-(La)

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About Agardite-(La)Hide

Formula:
LaCu6(AsO4)3(OH)6 · 3H2O
Colour:
Grass-green to dull green, yellowish green to intense bluish green, rarely nearly colourless.
Lustre:
Sub-Vitreous, Resinous, Waxy
Hardness:
3 - 4
Specific Gravity:
3.65
Crystal System:
Hexagonal
Member of:
Name:
Named by Peter J. Modreski in 1983 for its relationship to the other Agardite series minerals.

Classification of Agardite-(La)Hide

Approved
Approval Year:
1980
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
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)Hide

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

Optical Data of Agardite-(La)Hide

Type:
Uniaxial
Pleochroism:
Non-pleochroic

Chemical Properties of Agardite-(La)Hide

Formula:
LaCu6(AsO4)3(OH)6 · 3H2O
IMA Formula:
LaCu2+6(AsO4)3(OH)6 · 3H2O

Crystallography of Agardite-(La)Hide

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 V:
948.07 ų (Calculated from Unit Cell)
Z:
2
Morphology:
Crystals acicular, prismatic, to 3 mm, in tufted groups, spherical rosettes.

Type Occurrence of Agardite-(La)Hide

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:

Synonyms of Agardite-(La)Hide

Other Language Names for Agardite-(La)Hide

Simplified Chinese:砷镧铜石
Traditional Chinese:砷鑭銅石

Relationship of Agardite-(La) to other SpeciesHide

Member of:
Other Members of this group:
Agardite-(Ce)CeCu6(AsO4)3(OH)6 · 3H2OHex. 6/m : P63/m
Agardite-(Dy)(Dy,La)Cu6(AsO4)3(OH)6 · 3H2OHex.
Agardite-(Nd)NdCu6(AsO4)3(OH)6 · 3H2OHex. 6/m : P63/m
Agardite-(Y)YCu6(AsO4)3(OH)6 · 3H2OHex. 6/m : P63/m
CalciopetersiteCaCu6(PO4)2(PO3OH)(OH)6 · 3H2OHex. 6/m : P63/m
GoudeyiteAlCu6(AsO4)3(OH)6 · 3H2OHex.
MixiteBiCu6(AsO4)3(OH)6 · 3H2OHex. 6/m : P63/m
Petersite-(Ce)Cu6Ce(PO4)3(OH)6·3H2OHex. 6/m : P63/m
Petersite-(La)Cu6La(PO4)3(OH)6 · 3H2OHex. 6/m : P63/m
Petersite-(Y)(Y,Ce,Nd)Cu6(PO4)3(OH)6 · 3H2OHex.
Plumboagardite(Pb,REE,Ca)Cu6(AsO4)3(OH)6 · 3H2OHex. 6/m : P63/m
ZálesíiteCaCu6(AsO4)2(AsO3OH)(OH)6 · 3H2OHex.

Common AssociatesHide

Aurichalcite(Zn,Cu)5(CO3)2(OH)6
AzuriteCu3(CO3)2(OH)2
BaryteBaSO4
BastnäsiteName used for F-dominant members of the Bastnäsite Group for which the dominant REE element is not known.
CalciteCaCO3
CerussitePbCO3
ChrysocollaCu2-xAlx(H2-xSi2O5)(OH)4 · nH2O
ConichalciteCaCu(AsO4)(OH)
Cuprian Adamite(Zn,Cu)2AsO4OH
FluoriteCaF2
GibbsiteAl(OH)3
HydrozinciteZn5(CO3)2(OH)6
MalachiteCu2(CO3)(OH)2
MimetitePb5(AsO4)3Cl
MottramitePbCu(VO4)(OH)
QuartzSiO2
SmithsoniteZnCO3
VanadinitePb5(VO4)3Cl
WulfenitePb(MoO4)
ZincaluminiteZn6Al6(SO4)2(OH)16 · 5H2O
Associated Minerals Based on Photo Data:
8 photos of Agardite-(La) associated with CornwalliteCu5(AsO4)2(OH)4
8 photos of Agardite-(La) associated with BayldonitePbCu3(AsO4)2(OH)2
7 photos of Agardite-(La) associated with AdamiteZn2(AsO4)(OH)
5 photos of Agardite-(La) associated with MalachiteCu2(CO3)(OH)2
5 photos of Agardite-(La) associated with AzuriteCu3(CO3)2(OH)2
4 photos of Agardite-(La) associated with DuftitePbCu(AsO4)(OH)
3 photos of Agardite-(La) associated with PseudomalachiteCu5(PO4)2(OH)4
2 photos of Agardite-(La) associated with ConichalciteCaCu(AsO4)(OH)
2 photos of Agardite-(La) associated with BaryteBaSO4
2 photos of Agardite-(La) associated with Goethiteα-Fe3+O(OH)

Related Minerals - Nickel-Strunz GroupingHide

8.DL.05FoggiteCaAl(PO4)(OH)2 · H2OOrth. mmm (2/m 2/m 2/m)
8.DL.10CyriloviteNaFe3+3(PO4)2(OH)4 · 2H2OTet. 4 2 2 : P41 21 2
8.DL.10Millisite(Na,K)CaAl6(PO4)4(OH)9 · 3H2OTet.
8.DL.10WarditeNaAl3(PO4)2(OH)4 · 2H2OTet. 4 2 2 : P41 21 2
8.DL.15Agardite-(Nd)NdCu6(AsO4)3(OH)6 · 3H2OHex. 6/m : P63/m
8.DL.15Agardite-(Y)YCu6(AsO4)3(OH)6 · 3H2OHex. 6/m : P63/m
8.DL.15Agardite-(Ce)CeCu6(AsO4)3(OH)6 · 3H2OHex. 6/m : P63/m
8.DL.15GoudeyiteAlCu6(AsO4)3(OH)6 · 3H2OHex.
8.DL.15MixiteBiCu6(AsO4)3(OH)6 · 3H2OHex. 6/m : P63/m
8.DL.15Petersite-(Y)(Y,Ce,Nd)Cu6(PO4)3(OH)6 · 3H2OHex.
8.DL.15ZálesíiteCaCu6(AsO4)2(AsO3OH)(OH)6 · 3H2OHex.
8.DL.15Plumboagardite(Pb,REE,Ca)Cu6(AsO4)3(OH)6 · 3H2OHex. 6/m : P63/m
8.DL.15CalciopetersiteCaCu6(PO4)2(PO3OH)(OH)6 · 3H2OHex. 6/m : P63/m
8.DL.20CheremnykhitePb3Zn3(VO4)2(TeO6)Orth.
8.DL.20DugganitePb3Zn3(AsO4)2(TeO6)Trig. 3 2 : P3 2 1
8.DL.20KuksitePb3Zn3(PO4)2(TeO6)Trig. 3 2 : P3 2 1
8.DL.20WallkilldelliteCa2Mn2+3(AsO4)2(OH)4 · 9H2OHex.
8.DL.20Wallkilldellite-(Fe)(Ca,Cu)4Fe2+6(AsO4,SiO4)4(OH,O)8 · 18H2OHex.
8.DL.25AngastoniteCaMgAl2(PO4)2(OH)4 · 7H2OTric. 1 : P1

Related Minerals - Hey's Chemical Index of Minerals GroupingHide

20.4.1MansfielditeAlAsO4 · 2H2OOrth. mmm (2/m 2/m 2/m) : Pbca
20.4.2BulachiteAl2(AsO4)(OH)3 · 3H2OOrth.
20.4.3PharmacoalumiteKAl4(AsO4)3(OH)4 · 6.5H2OIso. 4 3m : P4 3m
20.4.4LuetheiteCu2Al2(AsO4)2(OH)4Mon. 2/m : P21/m
20.4.5ArsenogoyaziteSrAl3(AsO4)(AsO3OH)(OH)6Trig. 3m (3 2/m) : R3m
20.4.6ArsenocrandalliteCaAl3(AsO4)(AsO3OH)(OH)6Trig. 3m (3 2/m)
20.4.7Arsenoflorencite-(Ce)CeAl3(AsO4)2(OH)6Trig. 3m (3 2/m) : R3m
20.4.8Arsenoflorencite-(La)LaAl3(AsO4)2(OH)6Trig. 3m (3 2/m) : R3m
20.4.9Arsenoflorencite-(Nd)NdAl3(AsO4)2(OH)6Trig.
20.4.10Gerdtremmelite(Zn,Fe)(Al,Fe)2(AsO4)(OH)5Tric.
20.4.11Gasparite-(Ce)Ce(AsO4)
20.4.12Chernovite-(Y)Y(AsO4)Tet. 4/mmm (4/m 2/m 2/m) : I41/amd
20.4.13Agardite-(Y)YCu6(AsO4)3(OH)6 · 3H2OHex. 6/m : P63/m
20.4.15GoudeyiteAlCu6(AsO4)3(OH)6 · 3H2OHex.
20.4.16Retzian-(Ce)Mn2+2Ce(AsO4)(OH)4Orth. mmm (2/m 2/m 2/m) : Pban
20.4.17Retzian-(La)(Mn2+,Mg)2(La,Ce,Nd)(AsO4)(OH)4Orth. mmm (2/m 2/m 2/m) : Pban
20.4.18Retzian-(Nd)Mn2+2(Nd,Ce,La)(AsO4)(OH)4Orth. mmm (2/m 2/m 2/m) : Pban

Fluorescence of Agardite-(La)Hide

Not fluorescent

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 Agardite-(La)Hide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
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)Hide

Localities for Agardite-(La)Hide

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.

Locality ListHide

- This locality has map coordinates listed. - This locality has estimated coordinates. ⓘ - 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.
Austria
 
  • Carinthia
    • Sankt Veit an der Glan District
      • 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
 
  • Sofia City Province
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
      • Sélestat-Erstein
        • Urbeis
N. Meisser2001 and 2002 Analysis
  • Occitanie
    • Aude
      • Escouloubre
Collection Patrice Queneau
    • 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
    • Gard
      • Laval-Pradel
        • Mercoirol
Collection Patrice Queneau
    • Tarn-et-Garonne
      • Caylus
        • Castanet
Collection Patrice Queneau
Collection Patrice Queneau
    • Tarn
      • Alban
        • Rayssac
Collection Patrice Queneau
Germany
 
  • Baden-Württemberg
    • Elz valley
      • Bleibach
Gröbner, J. (2017): Zálesíit von Oberhepschingen im Wiesental, Südschwarzwald, sowie ein aktueller Überblick über Agarditvorkommen im Schwarzwald. Erzgräber 31, 1-9.
    • Freiburg
      • Breisgau-Hochschwarzwald
        • Feldberg
Gröbner, J. (2017): Zálesíit von Oberhepschingen im Wiesental, Südschwarzwald, sowie ein aktueller Überblick über Agarditvorkommen im Schwarzwald. Erzgräber 31 (1), 1-9. [p. 8; in Table 2 locality erroneously written as "Rötenbach"].; 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.
      • Ortenaukreis
        • Oberwolfach
Göb, S., Wenzel, T., Bau, M., Jacob, D.E., Loges, A., Markl, G. (2011). The redistribution of rare-earth elements in secondary minerals of hydrothermal veins, Schwarzwald, Southwestern Germany. Can. Mineral. 49, 1305-1333.; Handbook of Mineralogy
    • Gengenbach
      • Haigerach valley
Gröbner, J. (2017): Zálesíit von Oberhepschingen im Wiesental, Südschwarzwald, sowie ein aktueller Überblick über Agarditvorkommen im Schwarzwald. Erzgräber 31 (1), 1-9.
    • Karlsruhe
      • Freudenstadt
        • Bad Rippoldsau-Schapbach
Gröbner, J. (2017): Zálesíit von Oberhepschingen im Wiesental, Südschwarzwald, sowie ein aktueller Überblick über Agarditvorkommen im Schwarzwald. Erzgräber 31 (1), 1-9.
Wittern: "Mineralfundorte in Deutschland", Schweizerbart (Stuttgart), 2001
Gröbner, J. (2017): Zálesíit von Oberhepschingen im Wiesental, Südschwarzwald, sowie ein aktueller Überblick über Agarditvorkommen im Schwarzwald. Erzgräber 31, 1-9.
    • Münstertal
      • Belchen
Gröbner, J. (2017): Zálesíit von Oberhepschingen im Wiesental, Südschwarzwald, sowie ein aktueller Überblick über Agarditvorkommen im Schwarzwald. Erzgräber 31 (1), 1-9.
  • Lower Saxony
    • Goslar
      • Braunlage
        • St Andreasberg
No reference listed
    • St Andreasberg District
      • Oder valley
Weiss, S. (1990) Mineralfundstellen Atlas, Deutschland West. Weise Verlag, München, 320 pages.
Greece
 
  • Attica
    • East Attica
      • Lavreotiki
        • 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
    • Trento Province (Trentino)
      • Frassilongo
        • Roveda
Ferretti, P., Camin, C., Fassina, B., Gentile, P., Rocchetti, I., Vecchi, F. (2018) Miniera Tingherla (Frassilongo, Valle del Fersina). Aggiornamento di una località classica della mineralogia trentina. Rivista Mineralogica Italiana, 42, 2 (2-2018), 108-141.
      • 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 Silesian Voivodeship
    • Jelenia Góra County
      • Gmina Janowice Wielkie
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
Spain
 
  • Catalonia
    • Tarragona
      • Baix Camp
        • Alforja
Abella i Creus, Joan (2018) Plumboagardite, green anglesite and other minerals from the Alforja mine, Alforja, Tarragona, Catalunya. Mineral Up, 2018/2.
Switzerland
 
  • Ticino
    • 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
      • Hayle
        • Great Wheal Alfred (Alfred Consols)
Anthony, Bideaux, Bladh, Nichols: "Handbook of Mineralogy", Vol. 4, 2000
      • St Hilary
Betterton, J. (2000) Famous Mineral Localities: Penberthy Croft Mine, St. Hilary, Cornwall, England. UK Journal of Mines & Minerals, 20, 7-37.
    • Cumbria
      • Allerdale
        • Caldbeck
          • Deer Hills
Anthony, Bideaux, Bladh, Nichols: "Handbook of Mineralogy", Vol. 4, 2000
      • Eden
        • Mungrisdale
Anthony, Bideaux, Bladh, Nichols: "Handbook of Mineralogy", Vol. 4, 2000
USA
 
  • California
    • San Benito Co.
      • New Idria Mining District
        • San Benito Peak (San Benito Mountain)
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
 
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