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Phosphophyllite

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Formula:
Zn2Fe(PO4)2 · 4H2O
Colour:
Bright blue-green to colourless; colourless in transmitted light.
Lustre:
Vitreous, Sub-Vitreous, Resinous, Waxy
Hardness:
3 - 3½
Specific Gravity:
3.08 - 3.13
Crystal System:
Monoclinic
Name:
Named in 1920 by Heinrich Laubmann and Hermann Steinmetz in allusion to its composition, a phosphate, and its physical structure, from the Greek φύλλον (phyllos) for leaf, referring to its perfect cleavage.
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Classification of PhosphophylliteHide

Approved, 'Grandfathered' (first described prior to 1959)
8.CA.40

8 : PHOSPHATES, ARSENATES, VANADATES
C : Phosphates without additional anions, with H2O
A : With small and large/medium cations
40.2.7.1

40 : HYDRATED NORMAL PHOSPHATES,ARSENATES AND VANADATES
2 : AB2(XO4)2·xH2O
19.6.14

19 : Phosphates
6 : Phosphates of Zn

Physical Properties of PhosphophylliteHide

Vitreous, Sub-Vitreous, Resinous, Waxy
Transparency:
Transparent, Translucent
Colour:
Bright blue-green to colourless; colourless in transmitted light.
Hardness:
3 - 3½ on Mohs scale
Tenacity:
Brittle
Cleavage:
Perfect
Perfect on {100}, distinct on {010} and {102}.
Density:
3.08 - 3.13 g/cm3 (Measured)    3.12 g/cm3 (Calculated)

Optical Data of PhosphophylliteHide

Type:
Biaxial (-)
RI values:
nα = 1.595 - 1.599 nβ = 1.614 - 1.617 nγ = 1.616 - 1.620
2V:
Measured: 44° , Calculated: 34°
Birefringence:
0.021
Max Birefringence:
δ = 0.021
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Surface Relief:
Moderate
Dispersion:
r > v perceptible
Optical Extinction:
Y ^ c = 50°
Pleochroism:
Non-pleochroic

Chemical Properties of PhosphophylliteHide

Formula:
Zn2Fe(PO4)2 · 4H2O
IMA Formula:
Zn2Fe2+(PO4)2 · 4H2O
Common Impurities:
Mn

Crystallography of PhosphophylliteHide

Crystal System:
Monoclinic
Class (H-M):
2/m - Prismatic
Space Group:
P21/b
Setting:
P21/c
Cell Parameters:
a = 10.387(9) Å, b = 5.09(1) Å, c = 10.563(9) Å
β = 121.07(7)°
Ratio:
a:b:c = 2.041 : 1 : 2.075
Unit Cell V:
478.35 ų (Calculated from Unit Cell)
Z:
2
Morphology:
Thick tabular {100} to acutely terminated. X-twinning common.
Twinning:
Common on {100} giving fishtail twins; may by polysynthetic. Rarely on {102}.

X-Ray Powder DiffractionHide

Image Loading

Radiation - Copper Kα
Data Set:
Data courtesy of RRUFF project at University of Arizona, used with permission.
Powder Diffraction Data:
d-spacingIntensity
8.886 (80)
4.55 (20)
4.44 (100)
3.38 (60)
2.83 (50)
2.82 (40)
2.22 (30)
1.481 (30)
Comments:
ICDD 29-1427; also 17-774.

Type Occurrence of PhosphophylliteHide

Other Language Names for PhosphophylliteHide

Common AssociatesHide

Associated Minerals Based on Photo Data:
Siderite14 photos of Phosphophyllite associated with Siderite on mindat.org.
Sphalerite12 photos of Phosphophyllite associated with Sphalerite on mindat.org.
Vivianite10 photos of Phosphophyllite associated with Vivianite on mindat.org.
Hopeite7 photos of Phosphophyllite associated with Hopeite on mindat.org.
Keckite7 photos of Phosphophyllite associated with Keckite on mindat.org.
Parahopeite5 photos of Phosphophyllite associated with Parahopeite on mindat.org.
Pyrite4 photos of Phosphophyllite associated with Pyrite on mindat.org.
Scholzite4 photos of Phosphophyllite associated with Scholzite on mindat.org.
Kingsmountite3 photos of Phosphophyllite associated with Kingsmountite on mindat.org.
Schoonerite3 photos of Phosphophyllite associated with Schoonerite on mindat.org.

Related Minerals - Nickel-Strunz GroupingHide

8.CA.ApexiteNaMg(PO4)·9H2OTric. 1 : P1
8.CA.05FransoletiteCa3Be2(PO4)2(HPO4)2 · 4H2OMon.
8.CA.05ParafransoletiteCa3Be2(PO4)2(HPO4)2 · 4H2OTric. 1 : P1
8.CA.10EhrleiteCa4Be3Zn2(PO4)6 · 9H2OTric. 1 : P1
8.CA.15FaheyiteBe2Mn2+Fe3+2(PO4)4 · 6H2OTrig. 3 2 : P31 2 1
8.CA.20GainesiteNa(Na,K)(Be,Li)Zr2(PO4)4 · 1.5-2H2OTet. 4mm : I41md
8.CA.20MccrillisiteNaCs(Be,Li)Zr2(PO4)4 · 1-2H2OTet. 4/mmm (4/m 2/m 2/m) : I41/amd
8.CA.20SelwyniteNaK(Be,Al)Zr2(PO4)4 · 2H2OTet.
8.CA.25PahasapaiteLi8(Ca,Li,K)10.5Be24(PO4)24 · 38H2OIso. 2 3 : I2 3
8.CA.30HopeiteZn3(PO4)2 · 4H2OOrth. mmm (2/m 2/m 2/m) : Pnma
8.CA.30ArsenohopeiteZn3(AsO4)2 · 4H2OOrth. mmm (2/m 2/m 2/m) : Pnma
8.CA.35WarikahniteZn3(AsO4)2 · 2H2OTric.
8.CA.45ParascholziteCaZn2(PO4)2 · 2H2OMon.
8.CA.45ScholziteCaZn2(PO4)2 · 2H2OOrth. mmm (2/m 2/m 2/m) : Pbcm
8.CA.50KeyiteCu2+3Zn4Cd2(AsO4)6 · 2H2OMon. 2/m
8.CA.55PushcharovskiteK0.6Cu18(AsO4)(HAsO4)10(H2AsO4)4(OH)9.6·18.6H2OTric.
8.CA.60ProsperiteCa2Zn4(AsO4)4 · H2OMon.
8.CA.65GengenbachiteKFe3+3(HPO4)4(H2PO4)2 · 6H2OTrig. 3m : P3 1c
8.CA.70ParahopeiteZn3(PO4)2 · 4H2OTric. 1 : P1

Related Minerals - Hey's Chemical Index of Minerals GroupingHide

19.6.1TarbuttiteZn2(PO4)(OH)Tric. 1 : P1
19.6.2SpenceriteZn4(PO4)2(OH)2 · 3H2OMon. 2/m : P2/b
19.6.3HopeiteZn3(PO4)2 · 4H2OOrth. mmm (2/m 2/m 2/m) : Pnma
19.6.4ParahopeiteZn3(PO4)2 · 4H2OTric. 1 : P1
19.6.5Veszelyite(Cu,Zn)2Zn(PO4)2 · 2H2OMon. 2/m : P21/b
19.6.6Kipushite(Cu,Zn)5Zn(PO4)2(OH)6 · H2OMon.
19.6.7ScholziteCaZn2(PO4)2 · 2H2OOrth. mmm (2/m 2/m 2/m) : Pbcm
19.6.8ParascholziteCaZn2(PO4)2 · 2H2OMon.
19.6.9EhrleiteCa4Be3Zn2(PO4)6 · 9H2OTric. 1 : P1
19.6.10Faustite(Zn,Cu)Al6(PO4)4(OH)8 · 4H2OTric. 1 : P1
19.6.11Aheylite(Fe2+,Zn)Al6(PO4)4(OH)8 · 4H2OTric. 1 : P1
19.6.12JungiteCa2Zn4Fe3+8(PO4)9(OH)9 · 16H2OOrth.
19.6.13SchooneriteZnMn2+Fe2+2Fe3+(PO4)3(OH)2 · 9H2OOrth. mmm (2/m 2/m 2/m) : Pbam

Fluorescence of PhosphophylliteHide

Violet in SW UV.

Other InformationHide

Notes:
Soluble in acids.
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 PhosphophylliteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Laubmann and Steinmetz (1920) Zeitschrift für Kristallographie, Mineralogie und Petrographie, Leipzig: 55: 566.
Steinmetz (1926) Zeitschrift für Kristallographie, Mineralogie und Petrographie, Leipzig: 64: 405.
Palache, C. and Berman (1927) American Mineralogist: 12: 180.
Kleber (1935) Jb. Min., Beil.-Bd.: 70A: 203.
Wolfe (1940) American Mineralogist: 25: 792.
Strunz (1942) Naturwissenschaften: 34.
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.: 738-739.
American Mineralogist (1977): 62: 812-817.
Anthony, J.W., Bideaux, R.A., Bladh, K.W., and Nichols, M.C. (2000) Handbook of Mineralogy, Volume IV. Arsenates, Phosphates, Vanadates. Mineral Data Publishing, Tucson, AZ, 680pp.: 460.

Internet Links for PhosphophylliteHide

Localities for PhosphophylliteHide

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.
Australia
 
  • South Australia
    • Flinders Ranges
      • South Flinders Ranges
        • Martins Well
Johnston, C.W . & Hill, R.J. (1978): Zinc phosphates at Reaphook Hill South Australia. Mineralogical Record 9,(1), 20-24; SA Geodata Database - Mineral Deposit Details Deposit Number: 3220
    • Mt Lofty Ranges
      • North Mt Lofty Ranges
        • Barossa Valley
          • Angaston
Peter Elliott
Bolivia
 
  • Oruro Department
    • Dalence Province
      • Santa Fé Mining District
[MinRec 32:475] Powder XRD by Dr. Jaroslav Hyrsl, Karlovy University, Prague.
  • Potosí Department
    • Cornelio Saavedra Province
      • Machacamarca District (Colavi District)
        • Huallani (Huayllani)
PXRD by John Attard; XRD and microprobe confirmations by Dr. Anthony Kampf.
    • Potosí City
[MinRec 32:465]
    • Rafael Bustillo Province (Bustillos Province)
      • Llallagua
Gems, Sixth Edition, Michael O’Donoghue, 2006, p. 437
    • Sud Chichas Province
      • San Vicente District
Salomon Rivas And Federico Ahlfeld (1998) Los Minerales de Bolivia y sus Parajes (Santa Cruz); Geology and Mineral Resources of the Altiplano and Cordillera Occidental, Bolivia (USGS Bulletin no. 1975)
Canada
 
  • Nova Scotia
    • Yarmouth Co.
      • Argyle
        • East Kemptville
Richardson, J.M., Roberts, A.C., Grice, J.D., Ramik, R.A. (1988) Mcauslanite, a supergene hydrated iron aluminum fluorophosphate from the East Kemptville Tin Mine, Yarmouth County, Nova Scotia. Canadian Mineralogist: 26: 917-921.
Czech Republic
 
  • Bohemia (Böhmen; Boehmen)
    • Central Bohemia Region
      • Kutná Hora (Kuttenberg)
Povondra, P., Pivec, E. (eds.) et al.: Přibyslavice peraluminuous granite. Acta universitatis carolinae, Geologica, 1987, no. 3, s . 183 – 283.
France
 
  • Occitanie
    • Pyrénées-Orientales
      • Albères massif
        • Argelès-sur-Mer
BERBAIN. C, IOB. S, ROATTINO. T, RILEY. T, (2016). Phosphates des pegmatites du massif des Albères 2ème partie : zones minéralisées. Ed Association française de Microminéralogie,
Germany (TL)
 
  • Bavaria
    • Upper Palatinate
      • Waidhaus
        • Hagendorf
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: 739; Weiss: "Mineralfundstellen, Deutschland West", Weise (Munich), 1990; Laubmann, H. & Steinmetz, H.: Z. Krist.55, 1920, 523: "Phosphatführenbde Pegmatite des Oberpfälzer und Bayrischen Waldes.; Dill H.G.: "Mineralogical and chemical composition of the Hagendorf-North Pegmatite, SE Germany - a monographic study", J. Min. Geochem, 2013
Am Min 62 (1977), 812; Lapis 6 (2000), 9; http://www.berthold-weber.de/h_miner.htm
Dill, H. G., Weber, B., Gerdes, A., & Melcher, F. (2008). The Fe-Mn phosphate apliteSilbergrube'near Waidhaus, Germany: epithermal phosphate mineralization in the Hagendorf-Pleystein pegmatite province. Mineralogical Magazine, 72(5), 1119-1144.
  • North Rhine-Westphalia
    • Aachen
      • Stolberg
Blaß, G. & Graf, H. W. (1995): Neufunde von Schlackenhalden in der nördlichen Eifel (II). Mineralien-Welt, 6 (3), 28-31.
New Zealand
 
  • North Island
    • Manawatu-Wanganui
      • Tararua
        • Maharahara
Collection of RJ Martin
Portugal
 
  • Guarda District
    • Gouveia
      • Folgosinho
Alves, P., Leal Gomes, C., Lopes Nunes, J.E (2012) : Produtos de evolução de triplite-zwieselite, fluorapatite e isokite da mina Sítio do Castelo (Folgosinho, Guarda). II Congresso Jovens Investigadores em Geociências, LEG 2012.
  • Viseu District
Identified in Rebentão Mine
    • Vila Nova de Paiva
      • Queiriga
        • Lagares do Estanho Mines
Pedro Alves analytical data and collection.
Spain
 
  • Galicia
    • Pontevedra
      • Gondomar
        • Vincios
          • Mt Galiñeiro
Calvo, M. (2015): Minerales y Minas de España. Vol. VII, Fosfatos, arseniatos y vanadatos. Escuela Técnica Superior de Ingenieros de Minas de Madrid - Fundación Gómez Pardo. 479 pp.
Sweden
 
  • Södermanland
    • Nynäshamn
      • Norrö
Gustafson, Lars.(1989): Norrö glimmerbrott.Stuffen (Medlemsblad för Södertörn Amatörgeologiska Sällskap). Nr 39, nov 1989, 8-12; Gustafsson, Lars & Otter, Bertil (1991): Mineralförekomster i Stockholmstrakten.Del 2. STEIN 18(4),4-12
USA
 
  • Connecticut
    • Middlesex Co.
      • East Hampton (Chatham)
        • Cobalt
Schooner (1958); Schooner (1961)
  • Maine
    • Oxford Co.
      • Newry
King, V. and Foord, E., 1994, Mineralogy of Maine, V. 1; King, V. (ed.), 2000, Mineralogy of Maine, V. 2.
King, V. and Foord, E., 1994, Mineralogy of Maine, V. 1; King, V. (ed), 2000, Mineralogy of Maine, V. 2.
      • Paris
Dick Dionne
      • Rumford
Van King specimen
King & Foord, 1994. Mineralogy of Maine, Vol.1, p.264.
  • New Hampshire
    • Grafton Co.
      • Groton
Rocks & Minerals 82:145; Mineralogical Record (1973) 4:103-130; Anthony R. Kampf, Stuart J. Mills, W.B. Simmons, James W. Nizamoff, and R.W. Whitmore (2012) Falsterite, A New Zinc-Bearing Secondary Phosphate From The Palermo #1 Mine, North Groton, New Hampshire. 39th Rochester Symposium abstracts.; Kampf, A. R., Falster, A. U., Simmons, W. B., & Whitmore, R. W. (2013). Nizamoffite, Mn2+ Zn2 (PO4) 2 (H2O) 4, the Mn analogue of hopeite from the Palermo No. 1 pegmatite, North Groton, New Hampshire. American Mineralogist, 98(10), 1893-1898.
Whitmore & Lawrence, 2004: The Pegmatite Mines Known As Palermo, p.96.
  • North Carolina
    • Cleveland Co.
      • Kings Mountain District
SEM-EDS, New Orleans University, 12/02
  • South Dakota
    • Pennington Co.
      • Keystone District
        • Glendale
Rocks & Minerals: 60: 116.
  • Virginia
    • Amelia Co.
      • Winterham
USGS Bulletin 248B (1952)
Zambia
 
  • Central Province
    • Kabwe District
      • Kabwe (Broken Hill)
Geological Survey, Lusaka:XRD 1975
Mineral and/or Locality  
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