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Metavivianite

Big Photo

Rapid Creek, Dawson Mining District, Yukon Territory, Canada
© 2005 M. Kampf

Show Metavivianite Photos (3)
Formula:
Fe
2+
3-x
Fe
3+
x
(PO
 
4
)
 
2
(OH)x·(8-x)H
 
2
O
System:TriclinicHardness:1½ - 2
This page provides mineralogical data about Metavivianite.

Classification of Metavivianite

IMA status:Approved
Strunz 8th edition ID:7/C.14-20
Nickel-Strunz 10th (pending) edition ID:8.CE.85

8 : PHOSPHATES, ARSENATES, VANADATES
C : Phosphates without additional anions, with H2O
E : With only medium-sized cations, RO4:H2O about 1:2.5
Dana 8th edition ID:40.3.9.1

40 : HYDRATED NORMAL PHOSPHATES,ARSENATES AND VANADATES
3 : A3(XO4)2·xH2O
Hey's CIM Ref.:19.13.12

19 : Phosphates
13 : Phosphates of Fe alone
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Type Occurrence of Metavivianite

Type Locality:Big Chief Mine, Glendale, Keystone District, Pennington Co., South Dakota, USA
Year of Discovery:1974

Physical Properties of Metavivianite

Hardness (Mohs):1½ - 2

Crystallography of Metavivianite

Crystal System:Triclinic
Cell Parameters:a = 7.81Å, b = 9.08Å, c = 4.65Å
α = 94.77°, β = 97.15°, γ = 107.37°
Ratio:a:b:c = 0.86 : 1 : 0.512
Unit Cell Volume:V 309.74 ų (Calculated from Unit Cell)

Optical Data of Metavivianite

Type:Biaxial (+)
RI values: nα = 1.579 nβ = 1.603 nγ = 1.629
2V:Measured: 85° , Calculated: 90°
Maximum Birefringence:δ = 0.050

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

Chemical Properties of Metavivianite

Formula:
Fe
2+
3-x
Fe
3+
x
(PO
 
4
)
 
2
(OH)x·(8-x)H
 
2
O
Essential elements:Fe, H, O, P
All elements listed in formula:Fe, H, O, P

Relationship of Metavivianite to other Species

Related Minerals - Nickel-Strunz Grouping):
8.CE.05Chudobaite
(Na,K)(Mg,Zn)
 
2
H(AsO
 
4
)(OH,O)
 
6
8.CE.05Geigerite
Mn
 
5
[HAsO
 
4
|AsO
 
4
]
 
2
 · 10H
 
2
O
8.CE.10Newberyite
MgHPO
 
4
·3H
 
2
O
8.CE.15Brassite
MgHAsO
 
4
·4H
 
2
O
8.CE.20Phosphorrösslerite
MgHPO
 
4
·7H
 
2
O
8.CE.20Rösslerite
MgHAsO
 
4
·7H
 
2
O
8.CE.25Metaswitzerite
Mn
 
3
(PO
 
4
)
 
2
·4H
 
2
O
8.CE.25Switzerite
(Mn,Fe)
 
3
(PO
 
4
)
 
2
·7H
 
2
O
8.CE.30Lindackerite
CuCu
 
4
[HAsO
 
4
|AsO
 
4
]
 
2
 · 8-9H
 
2
O
8.CE.30IMA2005-053
(Zn,Cu,Co)Cu
 
4
[HAsO
 
4
|AsO
 
4
]
 
2
 · 9H
 
2
O
8.CE.30Pradetite
CoCu
 
4
(AsO
 
4
)
 
2
(AsO
 
3
OH)
 
2
·9H
 
2
O
8.CE.35Bobierrite
Mg
 
3
(PO
 
4
)
 
2
·8H
 
2
O
8.CE.40Annabergite
Ni
 
3
(AsO
 
4
)
 
2
·8H
 
2
O
8.CE.40Arupite
Ni
 
3
(PO
 
4
)
 
2
·8H
 
2
O
8.CE.40Barićite
(Mg,Fe)
 
3
(PO
 
4
)
 
2
·8H
 
2
O
8.CE.40Erythrite
Co
 
3
(AsO
 
4
)
 
2
·8H
 
2
O
8.CE.40Ferrisymplesite
Fe
3+
3
[(OH)
 
3
|(AsO
 
4
)
 
2
] · 5H
 
2
O
8.CE.40Hörnesite
Mg
 
3
(AsO
 
4
)
 
2
·8H
 
2
O
8.CE.40Köttigite
Zn
 
3
(AsO
 
4
)
 
2
·8H
 
2
O
8.CE.40Manganohörnesite
(Mn,Mg)
 
3
(AsO
 
4
)
 
2
·8H
 
2
O
8.CE.40Parasymplesite
Fe
2+
3
(AsO
 
4
)
 
2
·8H
 
2
O
8.CE.40Vivianite
Fe
2+
3
(PO
 
4
)
 
2
·8H
 
2
O
8.CE.40Pakhomovskyite
Co
 
3
[PO
 
4
]
 
2
 · 8H
 
2
O
8.CE.45Symplesite
Fe
2+
3
(AsO
 
4
)
 
2
·8H
 
2
O
8.CE.50Cattiite
Mg
 
3
(PO
 
4
)
 
2
·22H
 
2
O
8.CE.55Koninckite
Fe
3+
 
[PO
 
4
] · 3H
 
2
O
8.CE.60Kaňkite
FeAsO
 
4
·3.5H
 
2
O
8.CE.65Steigerite
AlVO
 
4
·3H
 
2
O
8.CE.70Metaschoderite
Al
 
2
PO
 
4
VO
 
4
·6H
 
2
O
8.CE.70Schoderite
Al
 
2
PO
 
4
VO
 
4
·8H
 
2
O
8.CE.75Mahlmoodite
8.CE.75Malhmoodite
FeZr(PO
 
4
)
 
2
·4H
 
2
O
8.CE.80Santabarbaraite
Fe
3+
3
[(OH)
 
3
|(PO
 
4
)
 
2
] · 5H
 
2
O
8.CE.85Metaköttigite
(Zn,Fe,Fe)
 
3
(AsO
 
4
)
 
2
·8(H
 
2
O,OH)
Related Minerals - Hey's Index Grouping:
19.13.1Barbosalite
Fe
2+
 
Fe
3+
2
[OH|PO
 
4
]
 
2
19.13.2Strengite
FePO
 
4
·2H
 
2
O
19.13.3Phosphosiderite
FePO
 
4
·2H
 
2
O
19.13.4Dufrénite
Ca
 
0.5
Fe
2+
 
Fe
3+
5
[(OH)
 
3
|(PO
 
4
)
 
2
]
 
2
 · 2H
 
2
O
19.13.5Giniite
Fe
2+
 
Fe
3+
4
[(OH)
 
5
|(PO
 
4
)
 
3
] · 2H
 
2
O
19.13.6Whitmoreite
Fe
2+
 
Fe
3+
2
(PO
 
4
)
 
2
(OH)
 
2
 · 4H
 
2
O
19.13.7Tinticite
Fe
3+
4
[OH|PO
 
4
]
 
3
 · 5H
 
2
O
19.13.8Ferristrunzite
Fe
3+
3
[OH|PO
 
4
]
 
2
 · 5(H
 
2
O,OH)
19.13.9Ferrostrunzite
Fe
2+
 
Fe
3+
2
[OH|PO
 
4
]
 
2
 · 6H
 
2
O
19.13.10Beraunite
Fe
2+
 
Fe
3+
5
[(OH)
 
5
|(PO
 
4
)
 
4
] · 4H
 
2
O
19.13.11Vivianite
Fe
2+
3
(PO
 
4
)
 
2
·8H
 
2
O

Other Names for Metavivianite

Synonyms:
IMA1973-049
German names:
Metavivianit
Russian names:
Метавивианит
Spanish names:
Metavivianita

Other Information

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 Metavivianite

Reference List:American Mineralogist (1974): 59: 896-899.

American Mineralogist (1981): 66: 1103.

Mineralogical Magazine (1985): 49: 82.

American Mineralogist (1988): 73: 667.

Internet Links for Metavivianite

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  • Raman and XRD data at RRUFF project
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  • Metavivianite details from Handbook of Mineralogy (PDF)
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    Localities for Metavivianite

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    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.
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    (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.
    Bolivia
     
    • Oruro Department
      • Dalence Province
        • Santa Fé Mining District
    		Collection of Alfredo Petrov.
    Cameroon
     
    • Adamaoua plateau
    		FRANSOLET, A.-M., OUSTRIERE, P., FONTAN, F. & PILLARD, F. (1984) La mantiennéite, une nouvelle espèce minérale du gisement de vivianite d'Anloua, Cameroun. Bulletin de Minéralogie 107, 737-744.
    Canada
     
    • Yukon Territory
      • Dawson Mining District
    		MinRec 23:4-47
    [Mineralogical Record Vol 23 No.4 pp31]
    Finland
     
    • Etelä-Suomen Lääni
      • Orivesi
        • Eräjärvi area
    		No reference listed
    Germany
     
    • Lower Saxony
      • Harz Mts
        • Lautenthal
    		No reference listed
    • Schleswig-Holstein
      • Bredstedt
        • Joldelund
    		A. Wittern: "Mineralfundorte in Deutschland", Schweizerbart (Stuttgart), 2001
    Japan
     
    • Honshu Island
      • Kinki region
        • Hyogo prefecture
          • Kobe city
    		S. Matsubara (2000) Vivianite nodules and secondary phosphates in Pliocene-Pleistocene clay deposits from Hime-shima, Oita Prefecture and Kobe, Hyogo Prefecture, Western Japan. Memoirs of the National Science Museum (Tokyo), 33.
    Sweden
     
    • Södermanland
      • Haninge
    		Gustafsson, Lars & Otter, Bertil (1991): Mineralförekomster i Stockholmstrakten.Del 2. STEIN 18(4),4-12
    Ukraine
     
    • Crimea Oblast'
      • Crimea peninsula
    USA
     
    • Florida
      • Polk Co.
        • Homeland
    		Denicourt, R., Micromounters of New England program, NE meeting program, May 1984
    • New Hampshire
      • Grafton Co.
        • Groton
    		No reference listed
    Whitmore & Lawrence, 2004. The Pegmatite Mines Known As Palermo, p. 96.
    • South Dakota
      • Custer Co.
        • Custer District
          • Custer
    		R&M 75:3 pp 156-169
      • Pennington Co.
        • Keystone District
          • Glendale
    		Rocks & Minerals: 60: 116.
    • Wisconsin
      • Rusk Co.
        • Ladysmith
    		Rocks & Min. Vol. 73 (1998)
    Mineral and/or Locality
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