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Palenzonaite

A valid IMA mineral species
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About PalenzonaiteHide

08239030017271925895221.jpg
Prof. Andrea Palenzona
Formula:
(NaCa2)Mn2+2(VO4)3
Colour:
Dark red
Lustre:
Adamantine, Sub-Adamantine, Greasy
Hardness:
5 - 5½
Specific Gravity:
3.63
Crystal System:
Isometric
Name:
Named in 1987 in honor of Andrea Palenzona (b. 1935), professor of chemistry (and amateur mineralogist) at the University of Genoa, who discovered the mineral.
This page provides mineralogical data about Palenzonaite.


Unique IdentifiersHide

Mindat ID:
3065
Long-form identifier:
mindat:1:1:3065:2

IMA Classification of PalenzonaiteHide

Approved
IMA Formula:
NaCa2Mn2+2(V5+O4)3
Approval year:
1986

Classification of PalenzonaiteHide

8.AC.25

8 : PHOSPHATES, ARSENATES, VANADATES
A : Phosphates, etc. without additional anions, without H2O
C : With medium-sized and large cations
Dana 7th ed.:
38.2.1.3
38.2.1.3

38 : ANHYDROUS NORMAL PHOSPHATES, ARSENATES, AND VANADATES
2 : (AB)5(XO4)3
21.4.15

21 : Vanadates (and vanadates with arsenate or phosphate)
4 : Vanadates of U, Mn, Fe or Ni

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

Physical Properties of PalenzonaiteHide

Adamantine, Sub-Adamantine, Greasy
Transparency:
Transparent
Colour:
Dark red
Streak:
Brownish red
Hardness:
5 - 5½ on Mohs scale
Tenacity:
Brittle
Cleavage:
None Observed
Fracture:
Irregular/Uneven, Sub-Conchoidal
Density:
3.63 g/cm3 (Measured)    3.78 g/cm3 (Calculated)

Optical Data of PalenzonaiteHide

Type:
Isotropic
RI values:
n = 1.965
Surface Relief:
Very 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
Pleochroism:
Non-pleochroic

Chemistry of PalenzonaiteHide

Mindat Formula:
(NaCa2)Mn2+2(VO4)3
Element Weights:
Element% weight
O34.417 %
V27.396 %
Mn19.697 %
Ca14.369 %
Na4.121 %

Calculated from ideal end-member formula.

Crystallography of PalenzonaiteHide

Crystal System:
Isometric
Class (H-M):
m3m(4/m32/m) - Hexoctahedral
Space Group:
Ia3d
Setting:
Ia3d
Cell Parameters:
a = 12.534 Å
Unit Cell V:
1,969.11 ų (Calculated from Unit Cell)
Z:
8
Morphology:
Granular, trapezohedral crystals rare.
Comment:
NJMM 136(1987) structure.

Crystal StructureHide

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IDSpeciesReferenceLinkYearLocalityPressure (GPa)Temp (K)
0019611PalenzonaiteNagashima M, Armbruster T (2012) Palenzonaite, berzeliite, and manganberzeliite:(As5+,V5+,Si4+)O4 tetrahedra in garnet structures Mineralogical Magazine 76 1081-10972012Fianel mine, Switzerland0293
0019610PalenzonaiteNagashima M, Armbruster T (2012) Palenzonaite, berzeliite, and manganberzeliite:(As5+,V5+,Si4+)O4 tetrahedra in garnet structures Mineralogical Magazine 76 1081-10972012Gambatesa mine, Italy0293
0019609PalenzonaiteNagashima M, Armbruster T (2012) Palenzonaite, berzeliite, and manganberzeliite:(As5+,V5+,Si4+)O4 tetrahedra in garnet structures Mineralogical Magazine 76 1081-10972012Molinello mine, Italy0293
0014813PalenzonaiteBasso R (1987) The crystal structure of palenzonaite, a new vanadate garnet from Val Graveglia (Northern Apennines, Italy) Neues Jahrbuch fur Mineralogie, Monatshefte 1987 136-1441987Val Graveglia, Northern Apennines, Italy0293
CIF Raw Data - click here to close

X-Ray Powder DiffractionHide

Powder Diffraction Data:
d-spacingIntensity
5.12 Å(10)
3.13 Å(60)
2.80 Å(100)
2.67 Å(20)
2.56 Å(60)
2.46 Å(10)
1.738 Å(20)
1.675 Å(40)

Geological EnvironmentHide

Paragenetic Mode(s):
Paragenetic ModeEarliest Age (Ga)
High-? alteration and/or metamorphism
32 : Ba/Mn/Pb/Zn deposits, including metamorphic deposits

Type Occurrence of PalenzonaiteHide

General Appearance of Type Material:
Wine-red anhedral grains and as dodecahedral crystals up to 6 mm in diameter.
Place of Conservation of Type Material:
University of Genoa, Genoa, Italy.
Royal Ontario Museum, Toronto, Canada.
Geological Setting of Type Material:
Veinlets in manganese ore.
Associated Minerals at Type Locality:

Synonyms of PalenzonaiteHide

Other Language Names for PalenzonaiteHide

Simplified Chinese:钒钙锰石
Spanish:Palenzonaita
Traditional Chinese:釩鈣錳石

Relationship of Palenzonaite to other SpeciesHide

Other Members of Berzeliite Group:
Berzeliite(NaCa2)Mg2(AsO4)3Iso. m3m(4/m32/m) : Ia3d
Manganberzeliite(NaCa2)Mn2+2(AsO4)3Iso. m3m(4/m32/m) : Ia3d
Schäferite(NaCa2)Mg2(VO4)3Iso. m3m(4/m32/m) : Ia3d
'Unnamed (Na-Ca-Ni Vanadate Garnet)'{NaCa2}[Ni2](V5+3)O12Iso. m3m(4/m32/m) : Ia3d
'Unnamed (Na-Fe Vanadate Garnet)'{Na3}[Fe3+2](V5+3)O12

Common AssociatesHide

Associations Based on Photo Data:
3 photos of Palenzonaite associated with Manganberzeliite(NaCa2)Mn2+2(AsO4)3
2 photos of Palenzonaite associated with SarkiniteMn2+2(AsO4)(OH)
2 photos of Palenzonaite associated with NambuliteLiMn2+4Si5O14(OH)
2 photos of Palenzonaite associated with CarpholiteMn2+Al2(Si2O6)(OH)4
1 photo of Palenzonaite associated with BrauniteMn2+Mn3+6(SiO4)O8

Related Minerals - Strunz-mindat GroupingHide

8.AC.'Crocobelonite-1M'CaFe3+2O(PO4)2Mon. 2/m : P21/m
8.AC.MagnesioqingheiiteNa2Mg(MgAl)(PO4)3Mon. 2/m
8.AC.ManganobadaloviteNaNaMn(MgFe3+)(AsO4)3Mon. 2/m : B2/b
8.AC.Changesite-(Y)(Ca8Y)◻Fe2+(PO4)7Trig. 3m : R3c
8.AC.Babunaite-(Nd)NdAsO4Tet. 4/m : I41/a
8.AC.CrocobeloniteCaFe3+2O(PO4)2Orth. mmm(2/m2/m2/m) : Pnma
8.AC.WopmayiteCa6Na3◻Mn(PO4)3(PO3OH)4 Trig. 3m : R3c
8.AC.BeershevaiteCaFe3+3(PO4)3OMon. 2/m : P21/m
8.AC.Epiebnerite(NH4)Zn(PO4)Mon. 2 : P21
8.AC.Ebnerite(NH4)Zn(PO4)Hex. 6 : P63
8.AC.XDyrnaesite-(La)Na8Ce4+(La,REE)2(PO4)6Orth. mmm(2/m2/m2/m) : Pnma
8.AC.EdtolliteK2NaCu5Fe3+O2(AsO4)4Tric. 1 : P1
8.AC.AngarfiteNaFe3+5(PO4)4(OH)4 · 4H2O Orth. 222 : C2221
8.AC.KabaloviteFe2+3Fe3+4(PO4)6Tric. 1 : P1
8.AC.Nazarchukite Ca2NiFe3+2(PO4)4Orth. mmm(2/m2/m2/m) : Pbca
8.AC.CalciohatertiteNaNaCa(CaFe3+)(AsO4)3Mon. 2/m : B2/b
8.AC.AlumoedtolliteK2NaCu5AlO2(AsO4)4Tric. 1 : P1
8.AC.02GrigorieviteCu3Fe3+2Al2(VO4)6Tric. 1 : P1
8.AC.02KoksharoviteCaMg2Fe3+4(VO4)6Tric. 1 : P1
8.AC.02ZiminaiteFe3+ 6 (VO4)6Tric. 1 : P1
8.AC.05HatertiteNa2(Ca,Na)(Fe3+,Cu)2(AsO4)3Mon. 2/m : B2/b
8.AC.05ErikapohliteCu3(Zn,Cu,Mg)4Ca2(AsO4)6 · 2H2OMon. 2/m : B2/m
8.AC.05'Unnamed (Na-Mg Arsenate Hydroxyarsenate)'NaMg3(AsO4)(AsO3OH)2Mon. 2/m : B2/b
8.AC.05'Unnamed (Na-Zn-H Arsenate Hydroxyarsenate)'Na(Na0.6Zn0.4)Zn2(H0.6AsO4)(AsO3OH)2Mon. 2/m : B2/b
8.AC.05CalciojohilleriteNaCaMg3(AsO4)3Mon. 2/m : B2/b
8.AC.05Magnesiohatertite(Na,Ca)2Ca(Mg,Fe3+)2(AsO4)3Mon. 2/m : B2/b
8.AC.05 va'Alluaudite-Na[]'4Na4Mn2+4Fe3+8(PO4)12Mon. 2/m : B2/b
8.AC.05 va'Alluaudite-Ca[]'4Ca4Mn2+4Fe3+8(PO4)12Mon. 2/m : B2/b
8.AC.05 va'Ferroalluaudite-NaNa'Na4Na4Fe2+4Fe3+8(PO4)12Mon. 2/m : B2/m
8.AC.05'Hagendorfite-NaNa'NaNaFe2+(Mn2+,Mn3+)(PO4)3 (?)Mon. 2/m : B2/b
8.AC.05O'DanieliteNa(Zn,Mg)3(AsO4)(AsO3OH)2Mon. 2/m : B2/b
8.AC.05HowardevansiteNaCuFe2(VO4)3Tric. 1 : P1
8.AC.05KhrenoviteNa3Fe3+2(AsO4)3Mon. 2/m : B2/b
8.AC.05ZincobradaczekiteNaZn2Cu2(AsO4)3Mon. 2/m : B2/b
8.AC.05ParaberzeliiteNaCa2Mg2(AsO4)3Mon. 2/m : B2/b
8.AC.05BadaloviteNa2Mg2Fe(AsO4)3Mon. 2/m : B2/b
8.AC.05MagnesiocanutiteNaMnMg2[AsO4]2[AsO2(OH)2]Mon. 2/m : B2/b
8.AC.05ManganohatertiteNaNaCa(MnFe3+)(AsO4)3Mon. 2/m : B2/b
8.AC.05CamanchacaiteNaCaMg2[AsO4][AsO3(OH)]2Mon. 2/m : B2/b
8.AC.07ZhanghuifeniteNa3Mn4Mg2Al(PO4)6Mon. 2/m
8.AC.07FerrobobfergusoniteNa2Fe2+5Fe3+Al(PO4)6Mon.
8.AC.10HagendorfiteNaCaMn2+Fe2+2(PO4)3Mon. 2/m : B2/b
8.AC.10'Ferrohagendorfite'NaCaFe2+Fe2+2(PO4)3Mon.
8.AC.10JohilleriteNa(Mg,Zn)3Cu(AsO4)3Mon. 2/m : B2/b
8.AC.10VaruliteNaCaMn2+Mn2+2(PO4)3Mon. 2/m : B2/b
8.AC.10NickenichiteNa0.8Ca0.4Cu0.4(Mg,Fe)3(AsO4)3Mon. 2/m : B2/b
8.AC.10ArseniopleiteNaCaMnMn2(AsO4)3Mon. 2/m
8.AC.10GroatiteNaCaMn2(PO4)[PO3(OH)]2Mon. 2/m : B2/b
8.AC.10Alluaudite(Na,Ca)Mn2+(Fe3+,Mn2+,Fe2+,Mg)2(PO4)3Mon. 2/m : B2/b
8.AC.10BradaczekiteNaCu4(AsO4)3Mon. 2/m : B2/b
8.AC.10Caryinite(Na,Pb)(Ca,Na)CaMn2+2(AsO4)3Mon. 2/m
8.AC.10Ferroalluaudite(Na,Ca)Fe2+(Fe3+,Mn2+,Fe2+)2(PO4)3Mon. 2/m : B2/b
8.AC.10Maghagendorfite(Na,◻)MgMn2+(Fe2+,Fe3+)2(PO4)3Mon. 2/m
8.AC.15Ferrowyllieite(Na,Ca,Mn)(Fe,Mn)(Fe,Fe,Mg)Al(PO4)3Mon. 2/m : P21/b
8.AC.15QingheiiteNaNaMn2+(MgAl)(PO4)3Mon. 2/m : P21/b
8.AC.15Rosemaryite(Na,Ca,Mn)(Mn,Fe2+)(Fe3+,Mg)Al(PO4)3Mon. 2/m : P21/b
8.AC.15FerroqingheiiteNaNaFe2+(MgAl)(PO4)3Mon. 2/m : P21/m
8.AC.15Ferrorosemaryite◻NaFe2+Fe3+Al(PO4)3Mon. 2/m
8.AC.15BobfergusoniteNa2Mn5FeAl(PO4)6Mon. 2/m : P2/b
8.AC.15Wyllieite(Na,Ca,Mn)(Mn,Fe)(Fe,Mg)Al(PO4)3Mon. 2/m
8.AC.17CzochralskiiteNa4Ca3Mg(PO4)4Orth. mmm(2/m2/m2/m) : Pnma
8.AC.18ManitobaiteNa16Mn2+ 25Al8(PO4)30Mon. m : Pb
8.AC.20MarićiteNaFe2+(PO4)Orth. mmm(2/m2/m2/m) : Pmna
8.AC.25Schäferite(NaCa2)Mg2(VO4)3Iso. m3m(4/m32/m) : Ia3d
8.AC.25Berzeliite(NaCa2)Mg2(AsO4)3Iso. m3m(4/m32/m) : Ia3d
8.AC.25MatyhiteCa18(Ca,◻)2Fe2+2(PO4)14Trig. 3m : R3c
8.AC.25Hedegaardite(Ca,Na)9(Ca,Na)Mg(PO4)6(PO3OH)Trig. 3m : R3c
8.AC.25Manganberzeliite(NaCa2)Mn2+2(AsO4)3Iso. m3m(4/m32/m) : Ia3d
8.AC.30BrianiteNa2CaMg(PO4)2Mon. 2/m : P21/b
8.AC.35Vitusite-(Ce)Na3(Ce,La,Nd)(PO4)2Orth. mm2 : Pca21
8.AC.40Bario-olgite(Ba,Sr)(Na,Sr,REE)2Na(PO4)2 · Trig. 3 : P3
8.AC.40Olgite(Sr,Ba)(Na,Sr,REE)2Na(PO4)2Trig. 3m(32/m) : P3m1
8.AC.45Magnesiochangesite-(Ce)(Ca8Ce)◻Mg(PO4)7Trig. 3m : R3c
8.AC.45TuiteCa3(PO4)2Trig. 3m(32/m) : R3m
8.AC.45FerromerrilliteCa9NaFe2+(PO4)7Trig. 3m : R3c
8.AC.45StrontiowhitlockiteSr9Mg(PO4)6(PO3OH)Trig. 3m : R3c
8.AC.45Magnesiochangesite-(Y)(Ca8Y)◻ Mg(PO4)7Trig. 3m : R3m
8.AC.45Changesite-(Ce)(Ca8Ce)◻Fe2+(PO4)7Trig. 3m : R3c
8.AC.45MerrilliteCa9NaMg(PO4)7Trig. 3m : R3m
8.AC.45WhitlockiteCa9Mg(PO4)6(PO3OH)Trig. 3m : R3c
8.AC.47IwateiteNa2BaMn(PO4)2Trig. 3 : P3
8.AC.47OzerovaiteNa2KAl3(AsO4)4Orth. mmm(2/m2/m2/m) : Cmca
8.AC.47YurmariniteNa7(Fe3+,Mg,Cu)4(AsO4)6Trig. 3m(32/m) : R3c
8.AC.47PansneriteK3Na3(Fe3+,Al)6(AsO4)8Orth. mmm(2/m2/m2/m)
8.AC.47AnatolyiteNa6(Ca,Na)(Mg,Fe3+)3Al(AsO4)6Trig. 3m(32/m) : R3c
8.AC.50FillowiteNa3CaMn2+11(PO4)9Trig. 3 : R3
8.AC.50GalileiiteNa3Fe2+Fe2+11(PO4)9Trig. 3 : R3
8.AC.50JohnsomervilleiteNa3CaFe11(PO4)9Trig. 3 : R3
8.AC.50XenophylliteNa4Fe2+7(PO4)6Tric. 1 : P1
8.AC.50UdinaiteNaMg4(VO4)3Tet. 42m : I42d
8.AC.50ArsenudinaiteNaMg4(AsO4)3Tet. 42m : I42d
8.AC.50ChladniiteNa3CaMg11(PO4)9Trig. 3 : R3
8.AC.52Lasnierite(Ca,Sr)(Mg,Fe2+)2Al(P[O,F]4)3Orth. mmm(2/m2/m2/m) : Pbcn
8.AC.55PharmazinciteKZnAsO4Hex. 6 : P63
8.AC.57ZubkovaiteCa3Cu3(AsO4)4Mon. 2 : B2
8.AC.60KosnariteKZr2(PO4)3Trig. 3m(32/m) : R3c
8.AC.65Panethite(Na,Ca)2(Mg,Fe2+)2(PO4)2Mon. 2/m : P21/b
8.AC.70StanfielditeCa4Mg5(PO4)6Mon.
8.AC.75RonneburgiteK2MnV4O12Mon. 2/m
8.AC.80TillmannsiteAg3Hg[(V,As)O4]Tet. 4 : I4
8.AC.85FilatoviteK(Al,Zn)2(As,Si)2O8Mon. 2/m

Fluorescence of PalenzonaiteHide

Not fluorescent.

Other InformationHide

Notes:
Soluble in strong acids.
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 PalenzonaiteHide

References for PalenzonaiteHide

Localities for PalenzonaiteHide

Showing 11 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
 
  • Tyrol
    • Innsbruck-Land District
      • Obernberg am Brenner
Kolitsch (2020)
Italy
 
  • Liguria
    • Genoa
      • Ne
G. Blass EDX (M.E. Ciriotti, 2007)
415. +2 other references
        • Reppia
J. Brugger pers.comm. 2005
        • Statale
Castellaro et al. (2023)
  • Piedmont
    • Cuneo Province
      • Bellino
Piccoli et al. (2007) +1 other reference
      • Canosio
        • Vallone della Valletta
Bracco R. (2014) +2 other references
Japan
 
  • Kagoshima Prefecture
    • Oshima District
      • Yamato village
Masutomi Museum specimen (Kyoto)
Switzerland
 
  • Grisons
    • Viamala Region
      • Ferrera
        • Ausserferrera
Brugger et al. (1996)
Brugger J. (1996) +3 other references
      • Rheinwald
        • Splügen
Roth et al. (2011)
 
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