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Zodacite

A valid IMA mineral species
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03870640017271927799834.jpg
Zodacite

Cubos-Mesquitela-Mangualde area, Mangualde, Mangualde, Viseu, Portugal
01696280017271927811263.jpg
Zodacite, etc.

Cubos-Mesquitela-Mangualde area, Mangualde, Mangualde, Viseu, Portugal
01410870017271927846138.jpg
Zodacite, etc.

Cubos-Mesquitela-Mangualde area, Mangualde, Mangualde, Viseu, Portugal
00558860017271927862464.jpg
Zodacite

Cubos-Mesquitela-Mangualde area, Mangualde, Mangualde, Viseu, Portugal
03870640017271927799834.jpg
Zodacite

Cubos-Mesquitela-Mangualde area, Mangualde, Mangualde, Viseu, Portugal
01696280017271927811263.jpg
Zodacite, etc.

Cubos-Mesquitela-Mangualde area, Mangualde, Mangualde, Viseu, Portugal
01410870017271927846138.jpg
Zodacite, etc.

Cubos-Mesquitela-Mangualde area, Mangualde, Mangualde, Viseu, Portugal
00558860017271927862464.jpg
Zodacite

Cubos-Mesquitela-Mangualde area, Mangualde, Mangualde, Viseu, Portugal
07354270017271927873836.jpg
Zodacite

Cubos-Mesquitela-Mangualde area, Mangualde, Mangualde, Viseu, Portugal
05312790017271927895364.jpg
Zodacite, etc.

Cubos-Mesquitela-Mangualde area, Mangualde, Mangualde, Viseu, Portugal
Hide all sections | Show all sections

About ZodaciteHide

04701320017271927908855.jpg
Peter Zodac
Formula:
Ca4Mn2+Fe3+4(PO4)6(OH)4 · 12H2O
Colour:
Yellow, light yellow, tiny crystals may appear colorless
Lustre:
Vitreous
Hardness:
4
Specific Gravity:
2.68
Crystal System:
Monoclinic
Name:
Named in honor of Peter Zodac (1894-1967), founder and long-time editor of "Rocks and Minerals" magazine.
Ferric iron analogue of fanfaniite.


Unique IdentifiersHide

Mindat ID:
4429
Long-form identifier:
mindat:1:1:4429:1

IMA Classification of ZodaciteHide

Classification of ZodaciteHide

Strunz-mindat (2025):
8.DH.25

8 : PHOSPHATES, ARSENATES, VANADATES
D : Phosphates, etc. with additional anions, with H2O
H : With large and medium-sized cations, (OH, etc.):RO4 < 1:1
Dana 8th ed.:
42.11.8.4

42 : HYDRATED PHOSPHATES, ETC.CONTAINING HYDROXYL OR HALOGEN
11 : (AB)3(XO4)2Zq·xH2O
Hey's CIM Ref.:
19.12.47

19 : Phosphates
12 : Phosphates of Mn

Mineral SymbolsHide

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

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

Physical Properties of ZodaciteHide

Lustre:
Vitreous
Transparency:
Translucent
Colour:
Yellow, light yellow, tiny crystals may appear colorless
Streak:
Light yellow to white
Hardness:
4 on Mohs scale
Cleavage:
Imperfect/Fair
on {010}
Density:
2.68 g/cm3 (Measured)    2.65 g/cm3 (Calculated)

Optical Data of ZodaciteHide

Type:
Biaxial (-)
RI values:
nα = 1.598(1) nβ = 1.601(1) nγ = 1.602(1)
2V:
Measured: 83° (1), Calculated: 60°
Max. Birefringence:
δ = 0.004
Based on recorded range of RI values above.

Interference Colours:
The colours simulate birefringence patterns seen in thin section under crossed polars. They do not take into account mineral colouration or opacity.

Michel-Levy Bar The default colours simulate the birefringence range for a 30 µm thin-section thickness. Adjust the slider to simulate a different thickness.

Grain Simulation You can rotate the grain simulation to show how this range might look as you rotated a sample under crossed polars.

Surface Relief:
Moderate
Dispersion:
r < v weak.
Optical Extinction:
X = b; Y ∧ c = 24°; Z ∧ a = 23°.
Pleochroism:
Weak
Comments:
Very weak. Y = very pale green; Z = pale green.

Chemistry of ZodaciteHide

Mindat Formula:
Ca4Mn2+Fe3+4(PO4)6(OH)4 · 12H2O
Element Weights:
Element% weight
O49.508 %
Fe17.281 %
P14.377 %
Ca12.402 %
Mn4.250 %
H2.183 %

Calculated from ideal end-member formula.
Elements listed:
Ca, Fe, H, Mn, O, P - search for minerals with similar chemistry

Crystallography of ZodaciteHide

Crystal System:
Monoclinic
Cell Parameters:
a = 10.152(8) Å, b = 24.14(3) Å, c = 6.308(6) Å
β = 91.14(7)°
Ratio:
a:b:c = 0.421 : 1 : 0.261
Unit Cell V:
83 ų
Z:
2
Morphology:
Radial aggregates.
Comment:
Point Group: 2/m or m.; Space Group: C2/c or Cc

X-Ray Powder DiffractionHide

Powder Diffraction Data:
d-spacingIntensity
5.18 Å(100)
12.00 Å(60)
2.907 Å(50)
3.150 Å(40)
6.31 Å(30)
9.38 Å(20)
2.985 Å(20)

Geological EnvironmentHide

Paragenetic Mode(s):
Paragenetic ModeEarliest Age (Ga)
Stage 4b: Highly evolved igneous rocks>3.0
34 : Complex granite pegmatites

Type Occurrence of ZodaciteHide

Type Locality:
ⓘ Cubos-Mesquitela-Mangualde area, Mangualde (Mesquitela e Cunha Alta), Mangualde, Viseu, Portugal
General Appearance of Type Material:
Yellow isolated crystals and radial aggregates of crystals (0.1-0.2 mm), forming flattened sprays.
Place of Conservation of Type Material:
National Museum of Natural History (Smithsonian Institution), Washington, D.C, USA, catalogue no. NMNH 149953.
National Museum of Natural Sciences, Ottawa, catalogue no. NMNS no. 53452.
Geological Setting of Type Material:
Complex granite pegmatite.
Associated Minerals at Type Locality:
HureauliteJahnsite-(CaMnMn)MicroclinePhosphosideriteVarulite
Reference:
Dunn, Pete J., Grice, Joel D., Metropolis, William C. (1988) Zodacite, the Mn analogue of montgomeryite, from Mangualde, Portugal. American Mineralogist, 73 (9-10) 1179-1181

Synonyms of ZodaciteHide

Other Language Names for ZodaciteHide

German:Zodacit
Spanish:Zodacita

Relationship of Zodacite to other SpeciesHide

Member of:
Calcioferrite Subgroup > Calcioferrite Group
Other Members of Calcioferrite Subgroup:
CalcioferriteCa2Fe3+2(PO4)3(OH) · 7H2OMon. 2/m : B2/b

Common AssociatesHide

Associated Minerals Based on Photo Data:
3 photos of Zodacite associated with HureauliteMn2+5(PO3OH)2(PO4)2 · 4H2O
1 photo of Zodacite associated with Jahnsite-(CaMnMn){Ca}{Mn2+}{Mn2+2}{Fe3+2}(PO4)4(OH)2 · 8H2O
1 photo of Zodacite associated with PhosphosideriteFePO4 · 2H2O
1 photo of Zodacite associated with Rockbridgeite(Fe2+0.5Fe3+0.5)2Fe3+3(PO4)3(OH)5
1 photo of Zodacite associated with StrengiteFePO4 · 2H2O

Related Minerals - Strunz-mindat GroupingHide

8.DH.Thebaite-(NH4)(NH4)3Al(C2O4)(PO3OH)2(H2O)Mon. 2/m : P21/b
8.DH.Whiteite-(MnMnMn)Mn2+Mn2+Mn2+2Al2(PO4)4(OH)2 · 8H2OMon. 2/m : P2/b
8.DH.FerroberauniteFe2+Fe3+5(PO4)4(OH)5 · 6H2OMon. 2/m : B2/b
8.DH.RegeriteKFe6(PO4)4(OH)7(H2O)6 · 4H2OMon. 2/m : P21/b
8.DH.Ammoniotinsleyite(NH4)Al2(PO4)2(OH) · 2H2OMon. 2/m : P21/m
8.DH.Dendoraite-(NH4)(NH4)2NaAl(C2O4)(PO3OH)2(H2O)2Mon. 2/m
8.DH.Rowleyite[Na(NH4,K)9Cl4][V5+,4+2(P,As)O8]6 · n[H2O,Na,NH4,K,Cl]Iso.
8.DH.HochleitneriteMn2Ti3(PO4)4O2(H2O)2 · 14H2OOrth. mmm (2/m 2/m 2/m) : Pbca
8.DH.Whiteite-(CaMnFe)CaMnFe2Al2(PO4)4(OH)2 · 8H2OMon. 2/m
8.DH.05MinyuliteKAl2(PO4)2F · 4H2OOrth. mm2 : Pba2
8.DH.10LeucophosphiteKFe3+2(PO4)2(OH) · 2H2OMon. 2/m : P21/b
8.DH.10TinsleyiteKAl2(PO4)2(OH) · 2H2OMon.
8.DH.10Spheniscidite(NH4,K)(Fe3+,Al)2(PO4)2(OH) · 2H2OMon. 2/m
8.DH.15Jahnsite-(CaMnFe){Ca}{Mn2+}{Fe2+2}{Fe3+2}(PO4)4(OH)2 · 8H2OMon. 2/m : P2/b
8.DH.15Jahnsite-(NaMnMn){Na}{Mn2+}{(Mn2+,Fe3+)2}{Fe3+2}(PO4)4(OH)2 · 8H2OMon. 2/m : P2/b
8.DH.15Jahnsite-(CaMnMg){Ca}{Mn2+}{(Mg,Fe2+)2}{Fe3+2}(PO4)4(OH)2 · 8H2OMon. 2/m : P2/b
8.DH.15Jahnsite-(CaMnMn){Ca}{Mn2+}{Mn2+2}{Fe3+2}(PO4)4(OH)2 · 8H2OMon. 2/m : P2/b
8.DH.15Whiteite-(MnMnMg)MnMnMg2Al2(PO4)4(OH)2 · 8H2OMon. 2/m : P2/b
8.DH.15Jahnsite-(CaMnZn){Ca}{Mn2+}{Zn2}{Fe3+2}(PO4)4(OH)2 · 8H2OMon. 2/m : P2/b
8.DH.15Jahnsite-(MnMnMg){Mn2+}{Mn2+}{Mg2}{Fe3+2}(PO4)4(OH)2 · 8H2OMon. 2/m : P2/b
8.DH.15Jahnsite-(MnMnFe){Mn2+}{Mn2+}{Fe2+2}{Fe3+2}(PO4)4(OH)2 · 8H2OMon. 2/m : P2/b
8.DH.15Jahnsite-(CaFeFe){Ca}{Fe2+}{Fe2+2}{Fe3+2}(PO4)4(OH)2 · 8H2OMon.
8.DH.15Rittmannite{(Mn2+,Ca)}{Mn2+}{(Fe2+,Mn2+,Mg)2}{(Al,Fe3+)2}(PO4)4(OH)2 · 8H2OMon. 2/m : P2/b
8.DH.15KeckiteCaMn2+(Fe3+Mn2+)Fe3+2(PO4)4(OH)3 · 7H2OMon. 2/m : P2/b
8.DH.15Jahnsite-(NaMnMg){(Na,Ca)}{(Mn2+,Fe3+)}{(Mg,Fe3+)2}{Fe3+2}(PO4)4(OH)2 · 8H2OMon. 2/m : P2/b
8.DH.15Jahnsite-(CaMgMg){Ca}{Mg}{Mg2}{Fe3+2}(PO4)4(OH)2 · 8H2O
8.DH.15Jahnsite-(MnMnZn){Mn2+}{Mn2+}{Zn2}{Fe3+2}(PO4)4(OH)2 · 8H2OMon. 2/m : P2/b
8.DH.15Whiteite-(CaMgMg)CaMg3Al2(PO4)4(OH)2 · 8H2OMon. 2/m : P2/b
8.DH.15Whiteite-(CaFeMg){Ca}{(Fe2+,Mn2+)}{Mg2}{Al2}(PO4)4(OH)2 · 8H2OMon. 2/m : P21/b
8.DH.15Whiteite-(CaMnMg){Ca}{Mn2+}{Mg2}{Al2}(PO4)4(OH)2 · 8H2OMon. 2/m
8.DH.15Whiteite-(MnFeMg){(Mn2+,Ca)}{(Fe2+,Mn2+)}{Mg2}{Al2}(PO4)4(OH)2 · 8H2OMon. 2/m : P21/b
8.DH.15Jahnsite-(MnMnMn){Mn2+}{Mn2+}{Mn2+2}{Fe3+2}(PO4)4(OH)2 · 8H2OMon. 2/m : P21/b
8.DH.15Kaluginite(Mn2+,Ca)MgFe3+(PO4)2(OH) · 4H2OOrth.
8.DH.15Jahnsite-(CaFeMg){Ca}{Fe2+}{Mg2}{Fe3+2}(PO4)4(OH)2 · 8H2OMon. 2/m : P2/b
8.DH.15Whiteite-(CaMnMn){Ca}{Mn2+}{Mn2}{Al2}(PO4)4(OH)2 · 8H2OMon. 2/m : P2/b
8.DH.15Jahnsite-(NaFeMg){Na}{Fe3+}{Mg2}{Fe3+2}(PO4)4(OH)2 · 8H2OMon. 2/m : P2/b
8.DH.20SegeleriteCa2 Mg2 Fe3+2(PO4)4(OH)2 · 8H2OOrth. mmm (2/m 2/m 2/m) : Pcca
8.DH.20Lun'okite(Mn,Ca)(Mg,Fe,Mn)Al(PO4)2OH · 4H2OOrth. mmm (2/m 2/m 2/m) : Pbca
8.DH.20Manganosegelerite(Mn2+,Ca)(Mn2+,Fe2+,Mg)Fe3+(PO4)2(OH) · 4H2OOrth. mmm (2/m 2/m 2/m) : Pbca
8.DH.20WilhelmvierlingiteCaMnFe3+(PO4)2(OH) · 2H2OOrth. mmm (2/m 2/m 2/m) : Pbca
8.DH.20JuonniiteCaMgSc(PO4)2(OH) · 4H2OOrth. mmm (2/m 2/m 2/m) : Pbca
8.DH.20OveriteCaMgAl(PO4)2(OH) · 4H2OOrth. mmm (2/m 2/m 2/m) : Pbca
8.DH.25CalcioferriteCa2Fe3+2(PO4)3(OH) · 7H2OMon. 2/m : B2/b
8.DH.25FanfaniiteCa4MnAl4(PO4)6(OH)4 · 12H2OMon. 2/m : B2/b
8.DH.25KingsmountiteCa3MnFeAl4(PO4)6(OH)4 · 12H2OTric. 1 : P1
8.DH.25MontgomeryiteCa4MgAl4(PO4)6(OH)4 · 12H2OMon. 2 : B2
8.DH.30PararobertsiteCa2Mn3+3(PO4)3O2 · 3H2OMon. 2/m : P21/b
8.DH.30RobertsiteCa2Mn3+3(PO4)3O2 · 3H2OMon. m : Bb
8.DH.30ArseniosideriteCa2Fe3+3(AsO4)3O2 · 3H2OMon. 2/m : B2/b
8.DH.30Sailaufite(Ca,Na,◻)2Mn3+3(AsO4)2(CO3)O2 · 3H2OMon. m : Bm
8.DH.30MitridatiteCa2Fe3+3(PO4)3O2 · 3H2OMon. 2/m : B2/b
8.DH.30KolfaniteCa2Fe3+3O2(AsO4)3 · 2H2OMon.
8.DH.35MantienneiteKMg2Al2Ti(PO4)4(OH)3 · 15H2OOrth. mmm (2/m 2/m 2/m) : Pbca
8.DH.35Sperlingite (H2O)K(Mn2+Fe3+)(Al2Ti)(PO4)4[O(OH)] [(H2O)9(OH)] · 4H2OMon. 2/m : P21/b
8.DH.35PaulkerriteK(Mg,Mn2+)2(Fe3+,Al,Ti,Mg)2Ti(PO4)4(OH)3 · 15H2OMon. m
8.DH.35Hydroxylbenyacarite(H2O)2Mn2(Ti2Fe)(PO4)4[O(OH)](H2O)10 · 4H2O Orth. mmm (2/m 2/m 2/m) : Pbca
8.DH.35MacraeiteK(H2O)Mn2(Fe2Ti)(PO4)4[O(OH)](H2O)10 · 4H2OMon. 2/m : P21/b
8.DH.35Benyacarite(H2O)2Mn2Ti2Fe3+(PO4)4(OF)(H2O)10 · 4H2OOrth. mmm (2/m 2/m 2/m) : Pbca
8.DH.35Fluormacraeite [(H2O)K]Mn2(Fe2Ti)(PO4)4(OF)(H2O)10 · 4H2OMon. 2/m : P21/b
8.DH.40XanthoxeniteCa4Fe3+2(PO4)4(OH)2 · 3H2OTric. 1 : P1
8.DH.45MahnertiteNaCu3(AsO4)2Cl · 5H2OTet. 4/mmm (4/m 2/m 2/m) : I4/mmm
8.DH.50AndyrobertsiteKCdCu5(AsO4)4(H2AsO4) · 2H2OMon. 2/m : P21/m
8.DH.50CalcioandyrobertsiteKCaCu5(AsO4)4(H2AsO4) · 2H2OMon. 2/m : P21/m
8.DH.55EnglishiteK3Na2Ca10Al15(PO4)21(OH)7 · 26H2OMon. 2/m
8.DH.60BouazzeriteBi6(Mg,Co)11Fe3+14(AsO4)18(OH)4O12 · 86H2OMon. 2/m
8.DH.65GalliskiiteCa4Al2(PO4)2F8 · 5H2OTric. 1 : P1
8.DH.70JoteiteCa2CuAl(AsO4)[AsO3(OH)]2(OH)2 · 5H2OTric. 1 : P1
8.DH.75KampeliteBa6Mg3Sc8(PO4)12(OH)6 · 7H2OOrth. mmm (2/m 2/m 2/m) : Pnma
8.DH.80KapundaiteNaCaFe4(PO4)4(OH)3 · 5H2OTric. 1 : P1
8.DH.85VaniniiteCa2Mn2+3Mn3+2O2(AsO4)4 · 2H2OMon. 2/m : P21/b

Fluorescence of ZodaciteHide

In UV light:
None observed

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 ZodaciteHide

References for ZodaciteHide

Localities for ZodaciteHide

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
 
  • Bavaria
    • Lower Bavaria
      • Regen District
        • Zwiesel
          • Rabenstein
Habel (2006)
Portugal (TL)
 
  • Viseu
    • Mangualde
      • Mangualde (Mesquitela e Cunha Alta)
Dunn et al. (1988) +1 other reference
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