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Ferrisymplesite

A valid IMA mineral species - grandfathered
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About FerrisymplesiteHide

Formula:
Fe3+3(AsO4)2(OH)3 · 5H2O
Colour:
Dark amber-brown, yellow-brown, yellow
Lustre:
Sub-Vitreous, Resinous
Hardness:
Specific Gravity:
2.885
Crystal System:
Monoclinic
Name:
Named by Thomas Leonard Walker and Alfred Leonard Parsons in 1924 for its relation to symplesite.
Can be considered an oxidised symplesite/parasymplesite.


Unique IdentifiersHide

Mindat ID:
1502
Long-form identifier:
mindat:1:1:1502:4

IMA Classification of FerrisymplesiteHide

Classification of FerrisymplesiteHide

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
42.10.1.1

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

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

Mineral SymbolsHide

As of 2021 there are now IMA–CNMNC approved mineral symbols (abbreviations) for each mineral species, useful for tables and diagrams.

SymbolSourceReference for Standard
FsymIMA–CNMNCWarr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43

Physical Properties of FerrisymplesiteHide

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

Optical Data of FerrisymplesiteHide

Type:
Biaxial
RI values:
n = 1.650
Surface Relief:
High (positive)
Relative to Canada balsam mounting medium (n ≈ 1.537).

This shows the grain boundary and Becke line effect under plane-polarised light, based on the contrast between this mineral's average refractive index and the mounting medium. It does not take into account mineral colouration.
In focus
Optical Extinction:
Parallel to elongation
Pleochroism:
Weak
Comments:
n = 1.650

Chemistry of FerrisymplesiteHide

Mindat Formula:
Fe3+3(AsO4)2(OH)3 · 5H2O
Element Weights:
Element% weight
O43.649 %
Fe28.567 %
As25.550 %
H2.234 %

Calculated from ideal end-member formula.
O
Fe
As
H

Crystallography of FerrisymplesiteHide

Crystal System:
Monoclinic
Morphology:
Small irregular masses with a fibrous structure.
Comment:
Class and space group unknown

X-Ray Powder DiffractionHide

Powder Diffraction Data:
d-spacingIntensity
8.93 Å(40)
6.77 Å(100)
4.00 Å(60)
3.72 Å(60)
3.38 Å(40)
2.96 Å(50)
2.83 Å(50)
Comments:
From Neublach, Germany specimen, see also ICDD 1-119 (synthetic)

Geological EnvironmentHide

Paragenetic Mode(s):

Type Occurrence of FerrisymplesiteHide

General Appearance of Type Material:
Finely fibrous.
Place of Conservation of Type Material:
Royal Ontario Museum, Toronto, Canada, M14248; Harvard University, Cambridge, Massachusetts, 101313; National Museum of Natural History, Washington, D.C., USA, 95461.
Associated Minerals at Type Locality:

Other Language Names for FerrisymplesiteHide

Relationship of Ferrisymplesite to other SpeciesHide

Other Members of Symplesite Group:
Metaköttigite(Zn,Fe,Fe)3(AsO4)2 · 8(H2O,OH)Tric. 1 : P1
SymplesiteFe2+3(AsO4)2 · 8H2OTric. 1 : P1

Common AssociatesHide

Associations Based on Photo Data:
2 photos of Ferrisymplesite associated with LöllingiteFeAs2
2 photos of Ferrisymplesite associated with ScoroditeFe3+AsO4 · 2H2O

Related Minerals - Strunz-mindat GroupingHide

8.CE.MonteneroiteCu2+Mn2+2(AsO4)2 · 8H2OMon. 2/m : B2/m
8.CE.BelmonteiteCaMn2(AsO4)2 · 7H2OOrth. mm2
8.CE.ZincocabreriteZnMg2(AsO4)2(H2O)8Mon. 2/m : B2/m
8.CE.XBabánekiteCu3(AsO4)2 · 8H2O Mon. 2/m : B2/m
8.CE.05ChudobaiteMg5(AsO4)2(AsO3OH)2 · 10H2OTric. 1 : P1
8.CE.05GeigeriteMn2+5(AsO4)2(HAsO4)2 · 10H2OTric. 1 : P1
8.CE.10NewberyiteMg(PO3OH) · 3H2OOrth. mmm(2/m2/m2/m) : Pbca
8.CE.10ManganonewberyiteMn(PO3OH)(H2O)3Orth. mmm(2/m2/m2/m) : Pbca
8.CE.15Fanguangite(MoO2)(PO3OH) · 4H2OTric. 1 : P1
8.CE.15BrassiteMg(HAsO4) · 4H2OOrth. mmm(2/m2/m2/m) : Pbca
8.CE.20PhosphorrössleriteMg(PO3OH) · 7H2OMon. 2/m : P2/b
8.CE.20RössleriteMg(HAsO4) · 7H2OMon. 2/m : B2/b
8.CE.25SwitzeriteMn2+3(PO4)2 · 7H2OMon. 2/m : P21/b
8.CE.25MetaswitzeriteMn2+3(PO4)2 · 4H2OMon. 2/m : P2/b
8.CE.30PradetiteCoCu4(AsO4)2(HAsO4)2 · 9H2OTric. 1 : P1
8.CE.30VeselovskýiteZnCu4(AsO4)2(HAsO4)2 · 9H2OTric. 1 : P1
8.CE.30LindackeriteCuCu4(AsO4)2(HAsO4)2 · 9H2OTric. 1 : P1
8.CE.30KlajiteMnCu4(AsO4)2(HAsO4)2 · 9-10H2OTric. 1 : P1
8.CE.30Hloušekite(Ni,Co)Cu4(AsO4)2(AsO3OH)2 · 9H2OTric. 1 : P1
8.CE.30OndrušiteCaCu4(AsO4)2(HAsO4)2 · 10H2OTric. 1 : P1
8.CE.35BobierriteMg3(PO4)2 · 8H2OMon. 2/m : B2/b
8.CE.40Barićite(Mg,Fe)3(PO4)2 · 8H2OMon. 2/m : B2/m
8.CE.40ParasymplesiteFe2+3(AsO4)2 · 8H2OMon. 2/m : B2/m
8.CE.40GritsenkoiteCoMg2(AsO4)2(H2O)8Mon. 2/m : B2/m
8.CE.40CabreriteNiMg2(AsO4)2 · 8H2OMon. 2/m : B2/m
8.CE.40PakhomovskyiteCo3(PO4)2 · 8H2OMon. 2/m : B2/m
8.CE.40VivianiteFe2+Fe2+2(PO4)2 · 8H2OMon. 2/m : B2/m
8.CE.40ArupiteNi3(PO4)2 · 8H2OMon. 2/m : B2/m
8.CE.40ErythriteCo3(AsO4)2 · 8H2OMon. 2/m : B2/m
8.CE.40HörnesiteMg3(AsO4)2 · 8H2OMon. 2/m : B2/m
8.CE.40ManganohörnesiteMn2+3(AsO4)2 · 8H2OMon. 2/m : P2/m
8.CE.40KöttigiteZn3(AsO4)2 · 8H2OMon. 2/m : B2/m
8.CE.40AnnabergiteNi3(AsO4)2 · 8H2OMon. 2/m : B2/m
8.CE.45SymplesiteFe2+3(AsO4)2 · 8H2OTric. 1 : P1
8.CE.50CattiiteMg3(PO4)2 · 22H2OTric. 1 : P1
8.CE.55KoninckiteFe3+PO4 · 3H2OTet. 422 : P41212
8.CE.60KaňkiteFeAsO4 · 3.5H2OMon. 2 : P2
8.CE.60HilarioniteFe3+2(SO4)(AsO4)(OH) · 6H2OMon. 2/m : B2/m
8.CE.65SteigeriteAl(VO4) · 3H2OMon. 2/m : P21/m
8.CE.70MetaschoderiteAl2(PO4)(VO4) · 6H2OMon. 2/m : P2/m
8.CE.70SchoderiteAl2(PO4)(VO4) · 8H2OMon.
8.CE.75ZigrasiteMgZr(PO4)2 · 4H2OTric. 1 : P1
8.CE.75'UM2009-11-PO:CaHZr'CaZr[PO4]2 · 4H2OTric.
8.CE.75MalhmooditeFeZr(PO4)2 · 4H2OMon. 2/m : P21/b
8.CE.80SantabarbaraiteFe3+3(PO4)2(OH)3 · 5H2OAmor.
8.CE.85Metaköttigite(Zn,Fe,Fe)3(AsO4)2 · 8(H2O,OH)Tric. 1 : P1
8.CE.90SlavkoviteCu13(AsO4)6(AsO3OH)4 · 23H2OTric. 1 : P1

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.

Internet Links for FerrisymplesiteHide

References for FerrisymplesiteHide

Localities for FerrisymplesiteHide

Showing 26 localities.

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.
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Locality ListHide

- This locality has map coordinates listed. - This locality has estimated coordinates. ⓘ - Click for references and 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 (e.g. from pseudomorphs).

All localities listed without proper references should be considered as questionable.
Austria
 
  • Carinthia
    • Sankt Veit an der Glan District
      • Hüttenberg
Meixner (1950)
Canada (TL)
 
  • Ontario
    • Timiskaming District
      • Cobalt-Gowganda region
        • Cobalt area
          • Coleman Township
WALKER et al. (1924) +1 other reference
Reiner Mielke 2012
Reiner Mielke 2016
Traill (1983)
Traill (1983) +1 other reference
Chile
 
  • Atacama
    • Copiapó Province
      • Tierra Amarilla
        • Pampa Larga mining district
samples analysed by Gerhard Mohn and ...
Czech Republic
 
  • Karlovy Vary Region
Jakub Plasil
Germany
 
  • Baden-Württemberg
    • Freiburg Region
      • Rottweil
        • Schenkenzell
          • Wittichen
            • Burgfelsen
            • Heubach Valley
Walenta (1992)
    • Karlsruhe Region
      • Calw
Walenta (1992)
      • Freudenstadt
        • Freudenstadt
Wittern (2001) +1 other reference
  • North Rhine-Westphalia
    • Arnsberg
      • Märkischer Kreis
        • Iserlohn
          • Letmathe
            • Helmke quarry nature reserve
Bender et al. (1994)
  • Rhineland-Palatinate
    • Rhein-Lahn-Kreis
      • Lahnstein
        • Friedrichssegen
Lapis 38 (5) +1 other reference
  • Saxony
    • Erzgebirgskreis
      • Annaberg-Buchholz
        • Kleinrückerswalde
Boutry Collection
      • Marienberg
        • Lauta
Hajek (2010)
Italy
 
  • Sardinia
    • South Sardinia Province
Fernando Caboni et al. (2024)
Fernando Caboni et al. (2024)
Japan
 
  • Oita Prefecture
    • Saiki City
Satoshi Matsubara et al. (2009)
OHNISHI et al. (2013) +1 other reference
Portugal
 
  • Évora
    • Alandroal
      • Alandroal-Nossa Senhora da Conceição - São Brás dos Matos-Mina do Bugalho e Juromenha-Nossa Senhora do Loreto
Alves (n.d.)
Slovakia
 
  • Žilina Region
    • Liptovský Mikuláš District
Ozdín et al. (1999)
Ozdín et al. (1999)
Switzerland
 
  • Valais
    • Sierre
      • Anniviers
        • Saint-Luc
Ansermet (2012)
USA
 
  • Utah
    • Tooele County
      • Gold Hill Mining District (Clifton Mining District)
        • Gold Hill
Bullock (1981)
 
and/or  
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