Ferrostrunzite (original) (raw)
A valid IMA mineral species
About FerrostrunziteHide
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Formula:
Fe2+Fe3+2(PO4)2(OH)2 · 6H2O
Colour:
Creamy yellow, pale yellow, tan to light brown
Lustre:
Sub-Vitreous, Resinous, Waxy, Greasy, Silky
Name:
Named in 1983 by Donald R. Peacor, Pete J. Dunn, and William B. Simmons for its chemical relationship to strunzite.
Unique IdentifiersHide
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Long-form identifier:
mindat:1:1:1529:1
3bbfade5-0072-4eea-9b06-ac4a9001a9ae
IMA Classification of FerrostrunziteHide
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Type description reference:
Classification of FerrostrunziteHide
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8.DC.25
8 : PHOSPHATES, ARSENATES, VANADATES
D : Phosphates, etc. with additional anions, with H2O
C : With only medium-sized cations, (OH, etc.):RO4 = 1:1 and < 2:1
42.11.9.2
42 : HYDRATED PHOSPHATES, ETC.CONTAINING HYDROXYL OR HALOGEN
11 : (AB)3(XO4)2Zq·xH2O
19.13.9
19 : Phosphates
13 : Phosphates of Fe alone
Mineral SymbolsHide
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As of 2021 there are now IMA–CNMNC approved mineral symbols (abbreviations) for each mineral species, useful for tables and diagrams.
| Symbol | Source | Reference |
|---|---|---|
| Fostz | IMA–CNMNC | Warr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43 |
Physical Properties of FerrostrunziteHide
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Sub-Vitreous, Resinous, Waxy, Greasy, Silky
Transparency:
Transparent, Translucent
Colour:
Creamy yellow, pale yellow, tan to light brown
Cleavage:
Distinct/Good
Three cleavages. One parallel to crystal elongation, one nearly perpendicular to optic normal, one perpendicular to the acute bisectrix Bxa.
Density:
2.50 g/cm3 (Measured) 2.57 g/cm3 (Calculated)
Optical Data of FerrostrunziteHide
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RI values:
_n_α = 1.628 _n_β = 1.682 _n_γ = 1.723
2V:
Measured: 80° , Calculated: 78°
δ = 0.095
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Dispersion:
weak to distinct, asymmetric
Optical Extinction:
Z^c ~ 3°-8°
Comments:
X = yellow green, Z = orange
Chemistry of FerrostrunziteHide
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Mindat Formula:
Fe2+Fe3+2(PO4)2(OH)2 · 6H2O
Crystallography of FerrostrunziteHide
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Cell Parameters:
a = 10.23 Å, b = 9.77 Å, c = 7.37 Å
α = 89.65°, β = 98.28°, γ = 117.26°
Ratio:
a:b:c = 1.047 : 1 : 0.754
Unit Cell V:
646.47 ų (Calculated from Unit Cell)
Comment:
Point Group: 1 or 1; Space Group: P1 or P1
X-Ray Powder DiffractionHide
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Powder Diffraction Data:
| d-spacing | Intensity |
|---|---|
| 8.94 Å | (80) |
| 5.29 Å | (100) |
| 4.47 Å | (30) |
| 4.33 Å | (20) |
| 3.452 Å | (30) |
| 3.277 Å | (40) |
| 3.213 Å | (30) |
Geological EnvironmentHide
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Geological Setting:
Granite pegmatites; iron ore deposits
Type Occurrence of FerrostrunziteHide
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General Appearance of Type Material:
Flattened prisms to 0.5 mm
Place of Conservation of Type Material:
National Museum of Natural History, Washington, D.C., USA, 149594.
Geological Setting of Type Material:
Phosphate replacements of marine shells in sedimentary marl.
Associated Minerals at Type Locality:
Reference:
Peacor, D.R., Dunn, P.J., Simmons, W.B. (1983) Ferrostrunzite, the ferrous iron analogue of strunzite from Mullica Hill, New Jersey. Neues Jahrbuch für Mineralogie, Monatshefte: 1983: 524-528.
Synonyms of FerrostrunziteHide
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Other Language Names for FerrostrunziteHide
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Relationship of Ferrostrunzite to other SpeciesHide
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Other Members of this group:
Common AssociatesHide
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Associated Minerals Based on Photo Data:
Related Minerals - Strunz-mindat GroupingHide
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| 8.DC. | Ianbruceite | Zn2(AsO4)(OH) · 3H2O | Mon. 2/m : _P_21/b |
|---|---|---|---|
| 8.DC. | Césarferreiraite | Fe2+ Fe3+2(AsO4)2(OH)2 · 8H2O | Tric. 1 : _P_1 |
| 8.DC. | Ferrivauxite | Fe3+Al2(PO4)2(OH)3 · 5H2O | Tric. 1 : _P_1 |
| 8.DC.05 | Nissonite | Cu2Mg2(PO4)2(OH)2 · 5H2O | Mon. 2/m : _B_2/b |
| 8.DC.07 | Euchroite | Cu2(AsO4)(OH) · 3H2O | Orth. 222 : _P_212121 |
| 8.DC.10 | Legrandite | Zn2(AsO4)(OH) · H2O | Mon. 2/m : _P_21/b |
| 8.DC.12 | Strashimirite | Cu8(AsO4)4(OH)4 · 5H2O | Mon. |
| 8.DC.15 | Arthurite | CuFe3+2(AsO4)2(OH)2 · 4H2O | Mon. 2/m : _P_21/b |
| 8.DC.15 | Earlshannonite | Mn2+Fe3+2(PO4)2(OH)2 · 4H2O | Mon. 2/m : _P_21/b |
| 8.DC.15 | Ojuelaite | ZnFe3+2(AsO4)2(OH)2 · 4H2O | Mon. 2/m : _P_21/b |
| 8.DC.15 | Whitmoreite | Fe2+Fe3+2(PO4)2(OH)2 · 4H2O | Mon. 2/m : _P_21/b |
| 8.DC.15 | Cobaltarthurite | CoFe3+2(AsO4)2(OH)2 · 4H2O | Mon. 2/m : _P_21/b |
| 8.DC.15 | Bendadaite | Fe2+Fe3+2(AsO4)2(OH)2 · 4H2O | Mon. 2/m : _P_21/b |
| 8.DC.15 | Kunatite | CuFe3+2(PO4)2(OH)2 · 4H2O | Mon. 2/m : _P_21/b |
| 8.DC.15 | UM2006-27-PO:FeHZn | ZnFe3+2(PO4)2(OH)2 · 4H2O | Mon. |
| 8.DC.15 | UKI-2006-(PO:AlCuFeH) | Fe2+Al3+2(PO4)2(OH)2 · 4H2O | |
| 8.DC.17 | Kleemanite | ZnAl2(PO4)2(OH)2 · 3H2O | Mon. |
| 8.DC.20 | Bermanite | Mn2+Mn3+2(PO4)2(OH)2 · 4H2O | Mon. 2/m : _P_2/b |
| 8.DC.20 | Coralloite | Mn2+Mn3+2(AsO4)2(OH)2 · 4H2O | Tric. 1 : _P_1 |
| 8.DC.20 | Magnesiobermanite | MgMn3+2(PO4)2(OH)2 · 4H2O | Mon. 2 : _P_21 |
| 8.DC.22 | Kovdorskite | Mg2(PO4)(OH) · 3H2O | Mon. 2/m : _P_21/b |
| 8.DC.25 | Ferristrunzite | Fe3+Fe3+2(PO4)2(OH)3 · 5H2O | Tric. |
| 8.DC.25 | Metavauxite | Fe2+Al2(PO4)2(OH)2 · 8H2O | Mon. 2/m : _P_21/b |
| 8.DC.25 | Metavivianite | Fe2+Fe3+2(PO4)2(OH)2 · 6H2O | Tric. 1 : _P_1 |
| 8.DC.25 | Strunzite | Mn2+Fe3+2(PO4)2(OH)2 · 6H2O | Tric. 1 : _P_1 |
| 8.DC.25 | Zincostrunzite | ZnFe3+2(PO4)2(OH)2 · 6.5H2O | Tric. 1 : _P_1 |
| 8.DC.27 | Beraunite | Fe3+6(PO4)4O(OH)4 · 6H2O | Mon. m : B b |
| 8.DC.27 | Tvrdýite | Fe2+Fe3+2 Al3(PO4)4(OH)5(H2O)4 · 2H2O | Mon. 2/m : _B_2/b |
| 8.DC.27 | Zincoberaunite | ZnFe3+5(PO4)4(OH)5 · 6H2O | Mon. 2/m : _B_2/b |
| 8.DC.30 | Gordonite | MgAl2(PO4)2(OH)2 · 8H2O | Tric. 1 : _P_1 |
| 8.DC.30 | Laueite | Mn2+Fe3+2(PO4)2(OH)2 · 8H2O | Tric. 1 : _P_1 |
| 8.DC.30 | Mangangordonite | Mn2+Al2(PO4)2(OH)2 · 8H2O | Tric. 1 : _P_1 |
| 8.DC.30 | Paravauxite | Fe2+Al2(PO4)2(OH)2 · 8H2O | Tric. 1 : _P_1 |
| 8.DC.30 | Pseudolaueite | Mn2+Fe3+2(PO4)2(OH)2 · 8H2O | Mon. 2/m : _P_21/b |
| 8.DC.30 | Sigloite | Fe3+Al2(PO4)2(OH)3 · 7H2O | Tric. 1 : _P_1 |
| 8.DC.30 | Stewartite | Mn2+Fe3+2(PO4)2(OH)2 · 8H2O | Tric. 1 : _P_1 |
| 8.DC.30 | Ushkovite | MgFe3+2(PO4)2(OH)2 · 8H2O | Tric. 1 : _P_1 |
| 8.DC.30 | Ferrolaueite | Fe2+Fe3+2(PO4)2(OH)2 · 8H2O | Tric. 1 : _P_1 |
| 8.DC.30 | Kastningite | (Mn2+,Fe2+,Mg)Al2(PO4)2(OH)2 · 8H2O | Tric. 1 : _P_1 |
| 8.DC.30 | Maghrebite | MgAl2(AsO4)2(OH)2 · 8H2O | Tric. 1 : _P_1 |
| 8.DC.30 | Nordgauite | MnAl2(PO4)2(F,OH)2 · 5H2O | Tric. 1 : _P_1 |
| 8.DC.30 | Kayrobertsonite | [MnAl2(PO4)2(OH)2(H2O)4] · 2H2O | Tric. 1 : _P_1 |
| 8.DC.30 | Kummerite | Mn2+Fe3+Al(PO4)2(OH)2 · 8H2O | Tric. 1 : _P_1 |
| 8.DC.32 | Tinticite | Fe3+3(PO4)2(OH)3 · 3H2O | Tric. 1 : _P_1 |
| 8.DC.32 | Kamarizaite | Fe3+3(AsO4)2(OH)3 · 3H2O | Tric. 1 : _P_1 |
| 8.DC.35 | Vauxite | Fe2+Al2(PO4)2(OH)2 · 6H2O | Tric. 1 : _P_1 |
| 8.DC.37 | Vantasselite | Al4(PO4)3(OH)3 · 9H2O | Orth. |
| 8.DC.40 | Cacoxenite | Fe3+24AlO6(PO4)17(OH)12 · 75H2O | Hex. 6/m : _P_63/m |
| 8.DC.45 | Gormanite | (Fe2+,Mg)3(Al,Fe3+)4(PO4)4(OH)6 · 2H2O | Tric. |
| 8.DC.45 | Souzalite | (Mg,Fe2+)3(Al,Fe3+)4(PO4)4(OH)6 · 2H2O | Tric. 1 |
| 8.DC.47 | Kingite | Al3(PO4)2F2(OH) · 7H2O | Tric. |
| 8.DC.50 | Wavellite | Al3(PO4)2(OH,F)3 · 5H2O | Orth. m m m _(_2/_m_2/_m_2/m ) |
| 8.DC.50 | Allanpringite | Fe3+3(PO4)2(OH)3 · 5H2O | Mon. 2/m : _P_21/m |
| 8.DC.50 | Fluorwavellite | Al3(PO4)2(OH)2F · 5H2O | Orth. m m m _(_2/_m_2/_m_2/m ) |
| 8.DC.52 | Kribergite | Al5(PO4)3(SO4)(OH)4 · 4H2O | Tric. 1 : _P_1 |
| 8.DC.55 | Mapimite | Zn2Fe3+3(AsO4)3(OH)4 · 10H2O | Mon. m : B m |
| 8.DC.57 | Ogdensburgite | Ca2Fe3+4(Zn,Mn2+)(AsO4)4(OH)6 · 6H2O | Orth. m m m _(_2/_m_2/_m_2/m ) : C m m m |
| 8.DC.60 | Nevadaite | (Cu2+,Al,V3+)6Al8(PO4)8F8(OH)2 · 22H2O | Orth. m m m _(_2/_m_2/_m_2/m ) |
| 8.DC.60 | Cloncurryite | Cu0.5(VO)0.5Al2(PO4)2F2 · 5H2O | Mon. 2/m : _P_21/b |
| 8.DC.62 | Kenngottite | Mn2+3Fe3+4(PO4)4(OH)6(H2O)2 | Mon. 2/m : _P_2/b |
| 8.DC.67 | Molinelloite | Cu(H2O)(OH)V4+O(V5+O4) | Tric. 1 : _P_1 |
| 8.DC.70 | Whitecapsite | H16Fe2+5Fe3+14Sb3+6(AsO4)18O16 · 120H2O | Hex. 6/m : _P_63/m |
| 8.DC.75 | Heimite | PbCu2(AsO4)(OH)3 · 2H2O | Mon. 2/m |
| 8.DC.80 | Lednevite | Cu[PO3(OH)] · H2O | Mon. 2/m : _P_21/b |
Fluorescence of FerrostrunziteHide
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Other InformationHide
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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 FerrostrunziteHide
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References for FerrostrunziteHide
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Reference List:
Dunn, Pete J., Fleischer, Michael, Francis, Carl A., Langley, Richard H., Kissin, Stephen A., Shigley, Hames E., Vanko, David A., Zilczer, Janet A. (1984) New mineral names. American Mineralogist, 69 (7-8) 810-815
Localities for FerrostrunziteHide
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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
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- 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.
| Belgium | |
|---|---|
| Wallonia Hainaut Bernissart Blaton ⓘ Mont-des-Groseillers ? | Schnorrer-Köhler (1988) +1 other reference |
| Europe | |
| ⓘ Albera Massif | Berbain et al. (2012) |
| France | |
| Occitanie Pyrénées-Orientales Céret Collioure ⓘ Pegmatite field | Berbain et al. (2012) |
| Germany | |
| Bavaria Upper Palatinate Cham District Waldmünchen Althütte ⓘ Pegmatite outcrop | Fehr et al. (1985) |
| Neustadt an der Waldnaab District Waidhaus ⓘ Silbergrube | Wittern (2001) +1 other reference |
| North Rhine-Westphalia ⓘ Arnsberg | van Tassel (1992) |
| Hochsauerlandkreis Arnsberg Uentrop ⓘ A46 Highway bridge | - (n.d.) |
| Märkischer Kreis Iserlohn Letmathe Helmke quarry nature reserve ⓘ Genna zinc smelter slag locality ? | www.mg-mineralien-fossilien.info (n.d.) |
| Italy | |
| Apulia Taranto Province ⓘ Manduria | |
| Lombardy Lecco Province Dorio ⓘ Luna pegmatitic dyke | Vignola et al. (2011) +1 other reference |
| New Zealand | |
| Tasman Region Glenhope ⓘ Dry Weather Road Locality | Ralph Merrill - Minerals Unlimited |
| Poland | |
| Lower Silesian Voivodeship Świdnica County Gmina Świdnica ⓘ Lutomia Górna | Włodek et al. (2015) |
| Michałkowa pegmatites ⓘ Góry Sowie Block | Pieczka et al. (2017) |
| Sweden | |
| Norrbotten County Kiruna Svappavaara ⓘ Leveäniemi Mine | Jansson (2000) +1 other reference |
| UK | |
| England Cornwall Perranzabuloe Perran Iron Lode (Great Perran Iron Lode) ⓘ Gravel Hill Mine (Cliff Iron Mine; Penhale Iron Mine) | Weiß (1989) +1 other reference |
| USA | |
| Florida Hardee County South Florida Phosphate Mining District ⓘ CF Garwood Mine | Marc V. Hurst (2012) |
| Polk County Central Florida Phosphate Mining District (Bone Valley) Homeland ⓘ Clear Spring Mine | Marc V. Hurst (2012) |
| Noralyn/Phosphoria Mines (IMC-Agrico) ⓘ Phosphoria Mine ? | Marc V. Hurst (2012) |
| Indiana Pike County ⓘ Bethel Church | Simmons et al. (1984) |
| Maine Oxford County Newry ⓘ Dunton Gem Quarry | King et al. (1994) +1 other reference |
| New Hampshire Grafton County Groton ⓘ Palermo No. 1 Mine | Whitmore et al. (2004) |
| New Jersey Gloucester County Harrison Township Mullica Hill ⓘ Raccoon Creek (TL) | Neues Jahrb.Min. (1983) |
| Monmouth County Upper Freehold Township Arneytown ⓘ My Creek locality | C.G.Segeler (personal communication) |
| ⓘ Hornerstown | RRUFF ID: R100079 |