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Zincostrunzite

A valid IMA mineral species
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05424290014964605486478.jpg
Zincostrunzite, etc.

Sítio do Castelo Mine, Folgosinho, Gouveia, Guarda, Portugal
09416080014964280768308.jpg
Zincostrunzite, etc.

Sítio do Castelo Mine, Folgosinho, Gouveia, Guarda, Portugal
04804970015178709257242.jpg
Zincostrunzite

Sítio do Castelo Mine, Folgosinho, Gouveia, Guarda, Portugal
05746900014960910744504.jpg
Zincostrunzite, etc.

Sítio do Castelo Mine, Folgosinho, Gouveia, Guarda, Portugal
03610700014960911992639.jpg
Zincostrunzite, etc.

Sítio do Castelo Mine, Folgosinho, Gouveia, Guarda, Portugal
05897590015178693221159.jpg
Zincostrunzite

Sítio do Castelo Mine, Folgosinho, Gouveia, Guarda, Portugal
05424290014964605486478.jpg
Zincostrunzite, etc.

Sítio do Castelo Mine, Folgosinho, Gouveia, Guarda, Portugal
09416080014964280768308.jpg
Zincostrunzite, etc.

Sítio do Castelo Mine, Folgosinho, Gouveia, Guarda, Portugal
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About ZincostrunziteHide

Formula:
ZnFe3+2(PO4)2(OH)2 · 6.5H2O
Colour:
Light brownish yellow; silvery white
Lustre:
Vitreous, Silky
Hardness:
2½
Specific Gravity:
2.66
Crystal System:
Triclinic
Member of:
Strunzite Group
Chemically related to steinmetzite, zincoberaunite, and UM2006-27-PO:FeHZn, the latter being a lower hydrate equivalent of the species. Also chemically similar to plimerite, wilhelmgümbelite, zinclipscombite, and phosphophyllite.


Unique IdentifiersHide

Mindat ID:
47921
Long-form identifier:
mindat:1:1:47921:5
GUID
(UUID V4):
98d692ef-5609-46fa-9ae6-ee2fc0f84dc0

IMA Classification of ZincostrunziteHide

Classification of ZincostrunziteHide

Strunz-mindat (2024):
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

Mineral SymbolsHide

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

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

Physical Properties of ZincostrunziteHide

Lustre:
Vitreous, Silky
Colour:
Light brownish yellow; silvery white
Streak:
White
Hardness:
2½ on Mohs scale
Tenacity:
Brittle
Cleavage:
Perfect
At least one perfect cleavage parallel to [001]; probably either {1−10} or {100}
Fracture:
Splintery
Density:
2.66 g/cm3 (Measured)    

Optical Data of ZincostrunziteHide

Type:
Biaxial (-)
RI values:
nα = 1.620(2) nβ = 1.672(2) nγ = 1.720(2)
2V:
Measured: 89.5° (5), Calculated: 85.1°
Max Birefringence:
δ = 0.100
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Surface Relief:
High
Pleochroism:
Visible
Comments:
X nearly colourless, Y light brownish yellow, Z darker brownish yellow (X< Y< Z).

Chemistry of ZincostrunziteHide

Mindat Formula:
ZnFe3+2(PO4)2(OH)2 · 6.5H2O
Elements listed:
Fe, H, O, P, Zn - search for minerals with similar chemistry

Chemical AnalysisHide

Crystallography of ZincostrunziteHide

Crystal System:
Triclinic
Class (H-M):
1 - Pinacoidal
Space Group:
P1
Cell Parameters:
a = 10.1736(6) Å, b = 9.7999(5) Å, c = 7.3296(2) Å
α = 91.325(4)°, β = 97.895(6)°, γ = 116.948(4)°
Ratio:
a:b:c = 1.038 : 1 : 0.748
Unit Cell V:
642.22 ų
Z:
2
Morphology:
Elongated on [001] with the prism forms {010} and {1−10} and poorly formed terminations, probably {001}.
Twinning:
Twinning is ubiquitous by 180° rotation on [0 1 0] with the composition plane {1−20}

X-Ray Powder DiffractionHide

Powder Diffraction Data:
d-spacingIntensity
8.87 Å(100)
5.32 Å(95)
4.457 Å(30)
4.287 Å(41)
3.310 Å(29)
3.220 Å(75)
1.912 Å(25)
1.622 Å(32)

Geological EnvironmentHide

Paragenetic Mode(s):
Paragenetic ModeEarliest Age (Ga)
Stage 4b: Highly evolved igneous rocks>3.0
34 : Complex granite pegmatites
Stage 7: Great Oxidation Event<2.4
47a : [Near-surface hydration of prior minerals]
47c : [Carbonates, phosphates, borates, nitrates]

Type Occurrence of ZincostrunziteHide

Co-Type Localities:
ⓘ Hagendorf South Pegmatite, Hagendorf, Waidhaus, Neustadt an der Waldnaab District, Upper Palatinate, Bavaria, Germany
ⓘ Sítio do Castelo Mine, Folgosinho, Gouveia, Guarda, Portugal
General Appearance of Type Material:
Sitio do Castelo: as prisms up to 2 mm long
Hagendorf: the mineral makes up portions of needles that are up to about 5 mm long.
Place of Conservation of Type Material:
Cotype material is deposited in the collections of the Mineral Sciences Department, Natural History Museum of Los Angeles County, 900 Exposition Boulevard, Los Angeles, California 90007, USA, catalogue numbers 65646 and 65647 (Sitio do Castelo), and the
Empirical Formula of Type Material:
(Zn0.93Mn2+0.08)Σ1.01(Fe3+1.84Mn2+0.19)Σ2.03(PO4)2(OH)2·6.5H2O
Geological Setting of Type Material:
Pegmatite
Reference:
Kampf, A.R., Grey, I.E., Alves, P., Mills, S.J., Nash, B.P., MacRae, C.M., Keck, E. (2017): Zincostrunzite, ZnFe3+2(PO4)2(OH)2.6.5H2O, a new mineral from the Sitio do Castelo mine, Portugal, and the Hagendorf-Sud pegmatite, Germany. European Journal of Mineralogy, 29, 315-322.

Synonyms of ZincostrunziteHide

Relationship of Zincostrunzite to other SpeciesHide

Member of:
Strunzite Group
Other Members of this group:
FerristrunziteFe3+Fe3+2(PO4)2(OH)3 · 5H2OTric.
FerrostrunziteFe2+Fe3+2(PO4)2(OH)2 · 6H2OTric.
StrunziteMn2+Fe3+2(PO4)2(OH)2 · 6H2OTric. 1 : P1

Common AssociatesHide

Associated Minerals Based on Photo Data:
1 photo of Zincostrunzite associated with PlimeriteZnFe3+4(PO4)3(OH)5
1 photo of Zincostrunzite associated with StrengiteFePO4 · 2H2O

Related Minerals - Strunz-mindat GroupingHide

8.DC.IanbruceiteZn2(AsO4)(OH) · 3H2OMon. 2/m : P21/b
8.DC.CésarferreiraiteFe2+ Fe3+2(AsO4)2(OH)2 · 8H2OTric. 1 : P1
8.DC.FerrivauxiteFe3+Al2(PO4)2(OH)3 · 5H2OTric. 1 : P1
8.DC.05NissoniteCu2Mg2(PO4)2(OH)2 · 5H2OMon. 2/m : B2/b
8.DC.07EuchroiteCu2(AsO4)(OH) · 3H2OOrth. 2 2 2 : P21 21 21
8.DC.10LegranditeZn2(AsO4)(OH) · H2OMon. 2/m : P21/b
8.DC.12StrashimiriteCu8(AsO4)4(OH)4 · 5H2OMon.
8.DC.15ArthuriteCuFe3+2(AsO4)2(OH)2 · 4H2OMon. 2/m : P21/b
8.DC.15EarlshannoniteMn2+Fe3+2(PO4)2(OH)2 · 4H2OMon. 2/m : P21/b
8.DC.15OjuelaiteZnFe3+2(AsO4)2(OH)2 · 4H2OMon. 2/m : P21/b
8.DC.15WhitmoreiteFe2+Fe3+2(PO4)2(OH)2 · 4H2OMon. 2/m : P21/b
8.DC.15Cobaltarthurite(Co,Mg)Fe3+2(AsO4)2(OH)2 · 4H2OMon. 2/m : P21/b
8.DC.15BendadaiteFe2+Fe3+2(AsO4)2(OH)2 · 4H2OMon. 2/m : P21/b
8.DC.15KunatiteCuFe3+2(PO4)2(OH)2 · 4H2OMon. 2/m : P21/b
8.DC.15UM2006-27-PO:FeHZnZnFe3+2(PO4)2(OH)2 · 4H2OMon.
8.DC.15UKI-2006-(PO:AlCuFeH)Fe2+Al3+2(PO4)2(OH)2 · 4H2O
8.DC.17KleemaniteZnAl2(PO4)2(OH)2 · 3H2OMon.
8.DC.20BermaniteMn2+Mn3+2(PO4)2(OH)2 · 4H2OMon. 2/m : P2/b
8.DC.20CoralloiteMn2+Mn3+2(AsO4)2(OH)2 · 4H2OTric. 1 : P1
8.DC.20MagnesiobermaniteMgMn3+2(PO4)2(OH)2 · 4H2OMon. 2 : P21
8.DC.22KovdorskiteMg2(PO4)(OH) · 3H2OMon. 2/m : P21/b
8.DC.25FerristrunziteFe3+Fe3+2(PO4)2(OH)3 · 5H2OTric.
8.DC.25FerrostrunziteFe2+Fe3+2(PO4)2(OH)2 · 6H2OTric.
8.DC.25MetavauxiteFe2+Al2(PO4)2(OH)2 · 8H2OMon. 2/m : P21/b
8.DC.25MetavivianiteFe2+Fe3+2(PO4)2(OH)2 · 6H2OTric. 1 : P1
8.DC.25StrunziteMn2+Fe3+2(PO4)2(OH)2 · 6H2OTric. 1 : P1
8.DC.27BerauniteFe3+6(PO4)4O(OH)4 · 6H2OMon. m : Bb
8.DC.27TvrdýiteFe2+Fe3+2 Al3(PO4)4(OH)5(H2O)4 · 2H2OMon. 2/m : B2/b
8.DC.27ZincoberauniteZnFe3+5(PO4)4(OH)5 · 6H2OMon. 2/m : B2/b
8.DC.30GordoniteMgAl2(PO4)2(OH)2 · 8H2OTric. 1 : P1
8.DC.30LaueiteMn2+Fe3+2(PO4)2(OH)2 · 8H2OTric. 1 : P1
8.DC.30MangangordoniteMn2+Al2(PO4)2(OH)2 · 8H2OTric. 1 : P1
8.DC.30ParavauxiteFe2+Al2(PO4)2(OH)2 · 8H2OTric. 1 : P1
8.DC.30PseudolaueiteMn2+Fe3+2(PO4)2(OH)2 · 8H2OMon. 2/m : P21/b
8.DC.30SigloiteFe3+Al2(PO4)2(OH)3 · 7H2OTric. 1 : P1
8.DC.30StewartiteMn2+Fe3+2(PO4)2(OH)2 · 8H2OTric. 1 : P1
8.DC.30UshkoviteMgFe3+2(PO4)2(OH)2 · 8H2OTric. 1 : P1
8.DC.30FerrolaueiteFe2+Fe3+2(PO4)2(OH)2 · 8H2OTric. 1 : P1
8.DC.30Kastningite(Mn2+,Fe2+,Mg)Al2(PO4)2(OH)2 · 8H2OTric. 1 : P1
8.DC.30MaghrebiteMgAl2(AsO4)2(OH)2 · 8H2OTric. 1 : P1
8.DC.30NordgauiteMnAl2(PO4)2(F,OH)2 · 5H2OTric. 1 : P1
8.DC.30Kayrobertsonite[MnAl2(PO4)2(OH)2(H2O)4] · 2H2OTric. 1 : P1
8.DC.30KummeriteMn2+Fe3+Al(PO4)2(OH)2 · 8H2OTric. 1 : P1
8.DC.32TinticiteFe3+3(PO4)2(OH)3 · 3H2OTric. 1 : P1
8.DC.32KamarizaiteFe3+3(AsO4)2(OH)3 · 3H2OTric. 1 : P1
8.DC.35VauxiteFe2+Al2(PO4)2(OH)2 · 6H2OTric. 1 : P1
8.DC.37VantasseliteAl4(PO4)3(OH)3 · 9H2OOrth.
8.DC.40CacoxeniteFe3+24AlO6(PO4)17(OH)12 · 75H2OHex. 6/m : P63/m
8.DC.45Gormanite(Fe2+,Mg)3(Al,Fe3+)4(PO4)4(OH)6 · 2H2OTric.
8.DC.45Souzalite(Mg,Fe2+)3(Al,Fe3+)4(PO4)4(OH)6 · 2H2OTric. 1
8.DC.47KingiteAl3(PO4)2F2(OH) · 7H2OTric.
8.DC.50WavelliteAl3(PO4)2(OH,F)3 · 5H2OOrth. mmm (2/m 2/m 2/m)
8.DC.50AllanpringiteFe3+3(PO4)2(OH)3 · 5H2OMon. 2/m : P21/m
8.DC.50FluorwavelliteAl3(PO4)2(OH)2F · 5H2OOrth. mmm (2/m 2/m 2/m)
8.DC.52KribergiteAl5(PO4)3(SO4)(OH)4 · 4H2OTric. 1 : P1
8.DC.55MapimiteZn2Fe3+3(AsO4)3(OH)4 · 10H2OMon. m : Bm
8.DC.57OgdensburgiteCa2Fe3+4(Zn,Mn2+)(AsO4)4(OH)6 · 6H2OOrth. mmm (2/m 2/m 2/m) : Cmmm
8.DC.60Nevadaite(Cu2+,Al,V3+)6Al8(PO4)8F8(OH)2 · 22H2OOrth. mmm (2/m 2/m 2/m)
8.DC.60CloncurryiteCu0.5(VO)0.5Al2(PO4)2F2 · 5H2OMon. 2/m : P21/b
8.DC.62KenngottiteMn2+3Fe3+4(PO4)4(OH)6(H2O)2 Mon. 2/m : P2/b
8.DC.67MolinelloiteCu(H2O)(OH)V4+O(V5+O4)Tric. 1 : P1
8.DC.70WhitecapsiteH16Fe2+5Fe3+14Sb3+6(AsO4)18O16 · 120H2OHex. 6/m : P63/m
8.DC.75HeimitePbCu2(AsO4)(OH)3 · 2H2OMon. 2/m
8.DC.80LedneviteCu[PO3(OH)] · H2OMon. 2/m : P21/b

Other InformationHide

Notes:
At room temperature, the mineral is slowly soluble in dilute HCl and rapidly soluble in concentrated HCl.
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 ZincostrunziteHide

References for ZincostrunziteHide

Localities for ZincostrunziteHide

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

- 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.
Germany (TL)
 
  • Bavaria
    • Upper Palatinate
      • Neustadt an der Waldnaab District
        • Waidhaus
          • Hagendorf
Mineralogical Magazine +2 other references
Portugal (TL)
 
  • Guarda
    • Gouveia
      • Folgosinho
Mineralogical Magazine +2 other references
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