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Ferrisymplesite

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Formula:
Fe
3+
3
(AsO
 
4
)
 
2
(OH)
 
3
 · 5H
 
2
O
System:MonoclinicColour:Dark amber-brown
Hardness:2½
Member of:Symplesite Group
Name:Named by Thomas Leonard Walker and Alfred Leonard Parsons in 1924 for its relation to symplesite.
Dimorph of:Vivianite Group


Can be considered an oxidised symplesite/parasymplesite.

Classification of Ferrisymplesite

IMA status:Valid - first described prior to 1959 (pre-IMA) - "Grandfathered"
Strunz 8th edition ID:7/D.48-20
Nickel-Strunz 10th (pending) edition ID:8.CE.40

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:42.10.1.1

42 : HYDRATED PHOSPHATES, ETC.CONTAINING HYDROXYL OR HALOGEN
10 : A3(XO4)2Zq·xH2O
Hey's CIM Ref.:20.9.4

20 : Arsenates (also arsenates with phosphate, but without other anions)
9 : Arsenates of Fe
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Type Occurrence of Ferrisymplesite

Type Locality:Hudson Bay Mine, Coleman Township, Cobalt area, Cobalt-Gowganda region, Timiskaming District, Ontario, Canada
Year of Discovery:1924
Associated Minerals at type locality:
ErythriteAnnabergite

Physical Properties of Ferrisymplesite

Lustre:Sub-Vitreous, Resinous
Diaphaneity (Transparency):Transparent
Colour:Dark amber-brown
Hardness (Mohs):2½
Tenacity:Brittle
Fracture:Fibrous
Density (measured):2.885 g/cm3
Comment:Best measurement from a probable mixture

Crystallography of Ferrisymplesite

Crystal System:Monoclinic
Morphology:Small irregular masses with a fibrous structure.
X-Ray Powder Diffraction:
d-spacingIntensity
8.93 (40)
6.77 (100)
4.00 (60)
3.72 (60)
3.38 (40)
2.96 (50)
2.83 (50)
Comments:From Neublach, Germany specimen, see also ICDD 1-119 (synthetic)

Optical Data of Ferrisymplesite

Type:Biaxial
RI values: n = 1.650
Maximum Birefringence:δ = 0.000

Chart shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration.
Surface Relief:Moderate
Optical Extinction:Parallel to elongation
Pleochroism:Weak

Chemical Properties of Ferrisymplesite

Formula:
Fe
3+
3
(AsO
 
4
)
 
2
(OH)
 
3
 · 5H
 
2
O
Essential elements:As, Fe, H, O
All elements listed in formula:As, Fe, H, O

Relationship of Ferrisymplesite to other Species

Member of:Symplesite Group
Other Members of Group:

- +
Metaköttigite
(Zn,Fe,Fe)
 
3
(AsO
 
4
)
 
2
 · 8(H
 
2
O,OH)
Metavivianite
Fe
2+
3-x
Fe
3+
x
(PO
 
4
)
 
2
(OH)x · (8-x)H
 
2
O
Symplesite
Fe
2+
3
(AsO
 
4
)
 
2
 · 8H
 
2
O
Related Minerals - Nickel-Strunz Grouping):

- +
8.CE.05Chudobaite
(Mg,Zn)
 
5
(AsO
 
4
)
 
2
(HAsO
 
4
)
 
2
 · 10H
 
2
O
8.CE.05Geigerite
Mn
2+
5
(AsO
 
4
)
 
2
(HAsO
 
4
)
 
2
 · 10H
 
2
O
8.CE.10Newberyite
Mg(HPO
 
4
) · 3H
 
2
O
8.CE.15Brassite
Mg(HAsO
 
4
) · 4H
 
2
O
8.CE.20Phosphorrösslerite
Mg(HPO
 
4
) · 7H
 
2
O
8.CE.20Rösslerite
Mg(HAsO
 
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
(AsO
 
4
)
 
2
(HAsO
 
4
)
 
2
 · 8-9H
 
2
O
8.CE.30Ondrušite
CaCu
 
4
(AsO
 
4
)
 
2
(HAsO
 
4
)
 
2
 · 10H
 
2
O
8.CE.30Veselovskýite
ZnCu
 
4
(AsO
 
4
)
 
2
(HAsO
 
4
)
 
2
 · 9H
 
2
O
8.CE.30Pradetite
CoCu
 
4
(AsO
 
4
)
 
2
(HAsO
 
4
)
 
2
 · 9H
 
2
O
8.CE.30Klajite
MnCu
 
4
(AsO
 
4
)
 
2
(HAsO
 
4
)
 
2
 · 9-10H
 
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.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
Al(VO
 
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.75Malhmoodite
FeZr(PO
 
4
)
 
2
 · 4H
 
2
O
8.CE.75Zigrasite
MgZr(PO
 
4
)
 
2
 · 4H
 
2
O
8.CE.75Unnamed (Ca-analogue of Zigrasite)
CaZr[PO
 
4
]
 
2
 · 4H
 
2
O
8.CE.80Santabarbaraite
Fe
3+
3
(PO
 
4
)
 
2
(OH)
 
3
 · 5H
 
2
O
8.CE.85Metaköttigite
(Zn,Fe,Fe)
 
3
(AsO
 
4
)
 
2
 · 8(H
 
2
O,OH)
8.CE.85Metavivianite
Fe
2+
3-x
Fe
3+
x
(PO
 
4
)
 
2
(OH)x · (8-x)H
 
2
O
Related Minerals - Hey's Index Grouping:

- +
20.9.1Angelellite
Fe
3+
4
(AsO
 
4
)
 
2
O
 
3
20.9.2Scorodite
FeAsO
 
4
 · 2H
 
2
O
20.9.3Kaňkite
FeAsO
 
4
 · 3.5H
 
2
O
20.9.5Kaatialaite
Fe(H
 
2
AsO
 
4
)
 
3
 · 5H
 
2
O
20.9.6Symplesite
Fe
2+
3
(AsO
 
4
)
 
2
 · 8H
 
2
O
20.9.7Parasymplesite
Fe
2+
3
(AsO
 
4
)
 
2
 · 8H
 
2
O
20.9.8Natropharmacosiderite
(Na,K)Fe
3+
4
(AsO
 
4
)
 
3
(OH)
 
4
 · 6-7H
 
2
O
20.9.9Pharmacosiderite
KFe
3+
4
(AsO
 
4
)
 
3
(OH)
 
4
 · 6-7H
 
2
O
20.9.10Kolfanite
Ca
 
2
Fe
3+
2
(AsO
 
4
)
 
3
O
 
2
 · 2H
 
2
O
20.9.11Arseniosiderite
Ca
 
2
Fe
3+
3
(AsO
 
4
)
 
3
O
 
2
 · 3H
 
2
O
20.9.12Yukonite
Ca
 
3
Fe
3+
 
(AsO
 
4
)
 
2
(OH)
 
3
 · 5H
 
2
O
20.9.13Dussertite
BaFe
3+
3
(AsO
 
4
)
 
2
(OH)
 
5
20.9.14Liskeardite
(Al,Fe
3+
 
)
 
3
(AsO
 
4
)(OH)
 
6
 · 5H
 
2
O
20.9.15Mapimite
Zn
 
2
Fe
3+
3
(AsO
 
4
)
 
3
(OH)
 
4
 · 10H
 
2
O
20.9.16Ogdensburgite
Ca
 
2
Fe
3+
4
(Zn,Mn
2+
 
)(AsO
 
4
)
 
4
(OH)
 
6
 · 6H
 
2
O
20.9.17Walentaite
H(Ca,Mn
2+
 
,Fe
2+
 
)Fe
3+
3
(AsO
 
4
,PO
 
4
)
 
4
 · 7H
 
2
O

Other Names for Ferrisymplesite

Other Languages:
German:Ferrisymplesit
Spanish:Ferrisymplesita

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 Ferrisymplesite

Reference List:

- +
Walker, Thomas Leonard and Parsons, Alfred Leonard, 1924, University of Toronto Studies, Geology Series, no. 17: 16.

American Mineralogist (1925): 10: 134.

Palache, Charles, Berman, Harry, & Frondel, Clifford, 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.: 753.

Contributions to Canadian Mineralogy: 17: 13-17.

Walenta, Kurt, 1979, Die Sekudaermineralien der Erzgaenge von Neubulach im noerdlichen Schwarzwald, Aufschluss, 30: 213-252.

Internet Links for Ferrisymplesite

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

    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.
    Austria
     
    • Carinthia
      • Friesach - Hüttenberg area
        • Hüttenberg
    		Meixner, H. (1950): Contributions to Mineralogy and Petrology 2(3), 195-209.
    Canada
     
    • Ontario
      • Timiskaming District
        • Cobalt-Gowganda region
          • Cobalt area
            • Coleman Township
    		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: 753; Aufschluss 30 (1979), 213; 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.
    Germany
     
    • Baden-Württemberg
      • Black Forest
        • Calw
    		Walenta, K. (1992): "Die Mineralien des Schwarzwaldes", Weise (Munich).
        • Freudenstadt
    		Wittern: "Mineralfundorte in Deutschland", Schweizerbart (Stuttgart), 2001
        • Schenkenzell
          • Wittichen
            • Burgfelsen
    		No reference listed
            • Heubach Valley
    		No reference listed
    K. Walenta: "Die Mineralien des Schwarzwaldes", Weise (Munich), 1992
    • Saxony
      • Erzgebirge
        • Marienberg District
          • Lauta
    		Hajek, W. (2010): Kristallwelten Marienberg. Weise Verlag, München.
    Japan
     
    • Kyushu Region
      • Oita prefecture
        • Saeki city
    		Satoshi Matsubara, Ritsuro Miyawaki, Masako Shigeoka, Hidemasa Tajima, Katsuichi Nishida and Yoshiteru Fujiwara (2009): Bendadaite and iron arsenate minerals from the Kiura mine, Oita Prefecture, Japan. 2009 Annual Meeting of Japan Association of Mineralogical Sciences, Abstracts Volume, Abs. R4-06, p. 100.
    Slovakia
     
    • Žilina Region
      • Liptovský Mikuláš Co.
    		Ozdín D. & Chovan M., 1999: New mineralogical and paragenetic knowledge about siderite veins in the vicinity of Vyšná Boca, Nízke Tatry Mts. Slov. Geol. Magazine, Bratislava, 5, 4, 255-271
    Ozdín D. & Chovan M. (1999): New mineralogical and paragenetic knowledge about siderite veins in the vicinity of Vyšná Boca, Nízke Tatry Mts. Slovak Geological Magazine 5, 4, 255-271.
    USA
     
    • Utah
      • Tooele Co.
        • Deep Creek Mts
          • Gold Hill District (Clifton District)
            • Gold Hill
    		UGMS Bull 117 Minerals and Mineral Localities of Utah
    Mineral and/or Locality
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