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Phosphophyllite

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Unificada Mine, Cerro de Potosí (Cerro Rico), Potosí City, Potosí Department, Bolivia

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Formula:
Zn
 
2
Fe(PO
 
4
)
 
2
 · 4H
 
2
O
System:MonoclinicColour:Bright blue-green to ...
Lustre:VitreousHardness:3 - 3½
Name:In allusion to its composition, being a phosphate, and structure, from the Greek φύλλον (phyllos) for leaf, referring to its perfect cleavage.
This page provides mineralogical data about Phosphophyllite.

Classification of Phosphophyllite

IMA status:Valid - first described prior to 1959 (pre-IMA) - "Grandfathered"
Strunz 8th edition ID:7/C.11-10
Nickel-Strunz 10th (pending) edition ID:8.CA.40

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

40 : HYDRATED NORMAL PHOSPHATES,ARSENATES AND VANADATES
2 : AB2(XO4)2·xH2O
Hey's CIM Ref.:19.6.14

19 : Phosphates
6 : Phosphates of Zn
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Type Occurrence of Phosphophyllite

Type Locality:Hagendorf North Pegmatite (Meixner Feldspar Pit), Hagendorf, Waidhaus, Vohenstrauß, Oberpfälzer Wald, Upper Palatinate, Bavaria, Germany
Year of Discovery:1920
Geological Setting of type material:Pegmatite
Associated Minerals at type locality:
VivianiteTripliteTriphyliteStrengiteSphalerite
RockbridgeitePhosphosideriteFairfielditeApatite

Occurrences of Phosphophyllite

Geological Setting:A secondary mineral in zoned complex granitic pegmatites, an alteration product of sphalerite and Mn-Fe phosphates, hydrothermal vein deposits.

Physical Properties of Phosphophyllite

Lustre:Vitreous
Diaphaneity (Transparency):Transparent
Colour:Bright blue-green to colourless; colourless in transmitted light.
Hardness (Mohs):3 - 3½
Tenacity:Brittle
Cleavage:Perfect
Perfect on {100}, distinct on {010} and {102}.
Density (measured):3.08 - 3.13 g/cm3
Density (calculated):3.12 g/cm3

Crystallography of Phosphophyllite

Crystal System:Monoclinic
Class (H-M):2/m - Prismatic
Space Group:P21/b {P1 1 21/b} {P21/c} {P1 21/c 1} {P21/a}
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 Volume:V 478.35 ų (Calculated from Unit Cell)
Z:2
Morphology:Thick tabular {100}.
Twinning:Common on {100} giving fishtail twins; may by polysynthetic. Rarely on {102}.
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.

Optical Data of Phosphophyllite

Type:Biaxial (-)
RI values: nα = 1.595 - 1.599 nβ = 1.614 - 1.617 nγ = 1.616 - 1.620
2V:Measured: 44° , Calculated: 34°
Maximum Birefringence:δ = 0.021

Chart shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration.
Surface Relief:Moderate
Dispersion:r > v perceptible

Chemical Properties of Phosphophyllite

Formula:
Zn
 
2
Fe(PO
 
4
)
 
2
 · 4H
 
2
O
Essential elements:Fe, H, O, P, Zn
All elements listed in formula:Fe, H, O, P, Zn
Common Impurities:Mn

Relationship of Phosphophyllite to other Species

Related Minerals - Nickel-Strunz Grouping):

- +
8.CA.05Fransoletite
Ca
 
3
Be
 
2
(PO
 
4
)
 
2
(HPO
 
4
)
 
2
 · 4H
 
2
O
8.CA.05Parafransoletite
Ca
 
3
Be
 
2
(PO
 
4
)
 
2
(HPO
 
4
)
 
2
 · 4H
 
2
O
8.CA.10Ehrleite
Ca
 
4
Be
 
3
Zn
 
2
(PO
 
4
)
 
6
 · 9H
 
2
O
8.CA.15Faheyite
(Mn,Mg,Na)Be
 
2
Fe
 
2
(PO
 
4
)
 
4
 · 6H
 
2
O
8.CA.20Gainesite
Na(Na,K)(Be,Li)Zr
 
2
(PO
 
4
)
 
4
 · 1.5-2H
 
2
O
8.CA.20Mccrillisite
NaCs(Be,Li)Zr
 
2
(PO
 
4
)
 
4
 · 1-2H
 
2
O
8.CA.20Selwynite
NaK(Be,Al)Zr
 
2
(PO
 
4
)
 
4
 · 2H
 
2
O
8.CA.25Pahasapaite
Li
 
8
(Ca,Li,K)
 
10.5
Be
 
24
(PO
 
4
)
 
24
 · 38H
 
2
O
8.CA.30Hopeite
Zn
 
3
(PO
 
4
)
 
2
 · 4H
 
2
O
8.CA.35Warikahnite
Zn
 
3
(AsO
 
4
)
 
2
 · 2H
 
2
O
8.CA.45Parascholzite
CaZn
 
2
(PO
 
4
)
 
2
 · 2H
 
2
O
8.CA.45Scholzite
CaZn
 
2
(PO
 
4
)
 
2
 · 2H
 
2
O
8.CA.50Keyite
Cu
2+
3
Zn
 
4
Cd
 
2
(AsO
 
4
)
 
6
 · 2H
 
2
O
8.CA.55Pushcharovskite
K
 
0.6
Cu
 
18
(AsO
 
4
)(HAsO
 
4
)
 
10
(H
 
2
AsO
 
4
)
 
4
(OH)
 
9.6
·18.6H
 
2
O
8.CA.60Prosperite
CaZn
 
2
(AsO
 
4
)(HAsO
 
4
)(OH)
8.CA.65Gengenbachite
KFe
3+
3
(HPO
 
4
)
 
4
(H
 
2
PO
 
4
)
 
2
 · 6H
 
2
O
8.CA.70Parahopeite
Zn
 
3
(PO
 
4
)
 
2
 · 4H
 
2
O
Related Minerals - Hey's Index Grouping:

- +
19.6.1Tarbuttite
Zn
 
2
(PO
 
4
)(OH)
19.6.2Spencerite
Zn
 
4
(PO
 
4
)
 
2
(OH)
 
2
 · 3H
 
2
O
19.6.3Hopeite
Zn
 
3
(PO
 
4
)
 
2
 · 4H
 
2
O
19.6.4Parahopeite
Zn
 
3
(PO
 
4
)
 
2
 · 4H
 
2
O
19.6.5Veszelyite
(Cu,Zn)
 
2
Zn(PO
 
4
)
 
2
 · 2H
 
2
O
19.6.6Kipushite
(Cu,Zn)
 
5
Zn(PO
 
4
)
 
2
(OH)
 
6
 · H
 
2
O
19.6.7Scholzite
CaZn
 
2
(PO
 
4
)
 
2
 · 2H
 
2
O
19.6.8Parascholzite
CaZn
 
2
(PO
 
4
)
 
2
 · 2H
 
2
O
19.6.9Ehrleite
Ca
 
4
Be
 
3
Zn
 
2
(PO
 
4
)
 
6
 · 9H
 
2
O
19.6.10Faustite
(Zn,Cu)Al
 
6
(PO
 
4
)
 
4
(OH)
 
8
 · 4H
 
2
O
19.6.11Aheylite
(Fe
2+
 
,Zn)Al
 
6
(PO
 
4
)
 
4
(OH)
 
8
 · 4H
 
2
O
19.6.12Jungite
Ca
 
2
Zn
 
4
Fe
3+
8
(PO
 
4
)
 
9
(OH)
 
9
 · 16H
 
2
O
19.6.13Schoonerite
ZnMn
2+
 
Fe
2+
2
Fe
3+
 
(PO
 
4
)
 
3
(OH)
 
2
 · 9H
 
2
O

Other Names for Phosphophyllite

Other Languages:
German:Phosphophyllit
Japanese:りんようせき
フォスフォフィライト
Russian:Фосфофиллит

Other Information

Other Information:Soluble in acids.
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 Phosphophyllite

Reference List:

- +
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 Phosphophyllite

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  • Raman and XRD data at RRUFF project
  • American Mineralogist Crystal Structure Database
  • Phosphophyllite details from Handbook of Mineralogy (PDF)
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    • Localities for Phosphophyllite

    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.
    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
      • Mt Lofty Ranges
        • North Mt Lofty Ranges
          • Barossa Valley
            • Angaston
    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)
    		Alfredo Petrov specimens; PXRD confirmation by John Attard
    XRD and microprobe confirmations by Dr. Anthony Kampf.
      • Potosí City
    		[MinRec 32:465]
    Rocks & Min.: 63:138.
      • 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
    		J.M. Richardson, et. al., "Mcauslanite, a Supergene Hydrated Iron Aluminum Fluorophosphate from the East Kemptville Tin Mine, Yarmouth County, Nova Scotia", Can. Min., vol. 26, pg. 917-921, 1988. and J.A. Mandarino, J.M.G. Richardson, P.J. Dunn, E.T.C. Sp
    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.
    Germany
     
    • Bavaria
      • Upper Palatinate
        • Oberpfälzer Wald
          • Vohenstrauß
            • 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.
    Am Min 62 (1977), 812; Lapis 6 (2000), 9; http://www.berthold-weber.de/h_miner.htm
    Sweden
     
    • Södermanland
    		Gustafsson, Lars & Otter, Bertil (1991): Mineralförekomster i Stockholmstrakten.Del 2. STEIN 18(4),4-12
    USA
     
    • Connecticut
      • Middlesex Co.
        • East Hampton
    		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.
        • 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
    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 (Broken Hill)
    		Geological Survey, Lusaka:XRD 1975
    Mineral and/or Locality
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