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Magnesiocanutite

A valid IMA mineral species
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03313680014952431717496.jpg
Magnesiocanutite

Torrecillas mine, Salar Grande, Iquique Province, Tarapacá, Chile
04705390015228807157377.jpg
Magnesiocanutite

Torrecillas mine, Salar Grande, Iquique Province, Tarapacá, Chile
03337670015339807261704.jpg
Magnesiocanutite

Torrecillas mine, Salar Grande, Iquique Province, Tarapacá, Chile
07467620014949855937452.jpg
Magnesiocanutite

Torrecillas mine, Salar Grande, Iquique Province, Tarapacá, Chile
00346720015228799441528.jpg
Magnesiocanutite

Torrecillas mine, Salar Grande, Iquique Province, Tarapacá, Chile
00362230015331644873983.jpg
Magnesiocanutite

Torrecillas mine, Salar Grande, Iquique Province, Tarapacá, Chile
07467620014949855937452.jpg
Magnesiocanutite

Torrecillas mine, Salar Grande, Iquique Province, Tarapacá, Chile
04705390015228807157377.jpg
Magnesiocanutite

Torrecillas mine, Salar Grande, Iquique Province, Tarapacá, Chile
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About MagnesiocanutiteHide

Formula:
NaMnMg2[AsO4]2[AsO2(OH)2]
Colour:
Pale brownish-pink to rose-pink
Lustre:
Vitreous
Hardness:
2½
Specific Gravity:
3.957 (Calculated)
Crystal System:
Monoclinic
Name:
Named for being the MnMg2 analogue of canutite.
The MnMg2 analogue of canutite. The Na-Mn-Mg combination is also found in johninnesite, but the latter is an arsenate silicate mineral.


Unique IdentifiersHide

Mindat ID:
50354
Long-form identifier:
mindat:1:1:50354:9
GUID
(UUID V4):
fb6a2fd9-546b-4dd5-aa83-807c53a6e7aa

IMA Classification of MagnesiocanutiteHide

Classification of MagnesiocanutiteHide

Strunz-mindat (2023):
8.AC.05

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

Mineral SymbolsHide

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

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

Physical Properties of MagnesiocanutiteHide

Lustre:
Vitreous
Transparency:
Transparent
Colour:
Pale brownish-pink to rose-pink
Streak:
Very pale pink
Hardness:
2½ on Mohs scale
Tenacity:
Brittle
Cleavage:
Perfect
{010} and {101}
Fracture:
Splintery
Density:
3.957 g/cm3 (Calculated)

Optical Data of MagnesiocanutiteHide

Type:
Biaxial (+)
RI values:
nα = 1.689(2) nβ = 1.700(2) nγ = 1.730(2)
2V:
Measured: 64.3° (4)
Max Birefringence:
δ = 0.041
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Surface Relief:
High
Dispersion:
r < v

Chemistry of MagnesiocanutiteHide

Mindat Formula:
NaMnMg2[AsO4]2[AsO2(OH)2]
Elements listed:
As, H, Mg, Mn, Na, O - search for minerals with similar chemistry

Crystallography of MagnesiocanutiteHide

Crystal System:
Monoclinic
Class (H-M):
2/m - Prismatic
Space Group:
B2/b
Setting:
C2/c
Cell Parameters:
a = 12.2514(8) Å, b = 12.4980(9) Å, c = 6.8345(5) Å
β = 113.167(8)°
Ratio:
a:b:c = 0.98 : 1 : 0.547
Unit Cell V:
962.1 ų
Z:
4
Morphology:
Lozenge-shaped tablets showing {110} and {102}.

X-Ray Powder DiffractionHide

Powder Diffraction Data:
d-spacingIntensity
6.25 Å(42)
3.566 Å(43)
3.262 Å(96)
3.120 Å(59)
2.787 Å(93)
2.718 Å(100)
2.641 Å(42)
1.503 Å(43)

Geological EnvironmentHide

Paragenetic Mode(s):
Paragenetic ModeEarliest Age (Ga)
Stage 7: Great Oxidation Event<2.4
46 : Near-surface hydrothermal alteration of minerals (see also #22)

Type Occurrence of MagnesiocanutiteHide

Type Locality:
ⓘ Torrecillas mine, Salar Grande, Iquique Province, Tarapacá, Chile
General Appearance of Type Material:
Pale brownish-pink to rose-pink, lozenge-shaped tablets that are often grouped in tightly intergrown aggregates.
Place of Conservation of Type Material:
Mineralogical collections of the Natural History Museum of Los Angeles County, 900 Exposition Boulevard, Los Angeles, CA 90007, USA (catalogue numbers 66273 for holotype, and 66274 for cotype)
Empirical Formula of Type Material:
Na(Mn0.78Mg0.22)Σ1.00(Mg1.04Mn0.70Cu0.15Co0.11)Σ 2.00[AsO4]2[AsO2(OH)2]
Chemical Analysis of Type Material:
Na2O5.44 %
CaO0.26 %
MgO8.84 %
MnO18.45 %
CoO1.47 %
As2O559.51 %
CuO2.13 %
H2Ocalc2.86 %
Total:98.96 %
Associated Minerals at Type Locality:
MagnesiokoritnigiteLavendulanHaliteCanutiteAnhydrite
Reference:
Kampf, A.R., Nash, B., Dini, M., Molina Donoso, A.A. (2017) Magnesiocanutite, NaMnMg2[AsO4]2[AsO2(OH)2], a new protonated alluaudite-group mineral from the Torrecillas mine, Iquique Province, Chile. Mineralogical Magazine: 81: 1523-1531.

Synonyms of MagnesiocanutiteHide

Relationship of Magnesiocanutite to other SpeciesHide

Member of:
Alluaudite Group > Alluaudite Supergroup
Other Members of this group:
Alluaudite(Na,Ca)Mn2+(Fe3+,Mn2+,Fe2+,Mg)2(PO4)3Mon. 2/m : B2/b
Alluaudite-Ca□◻4Ca4Mn2+4Fe3+8(PO4)12Mon. 2/m : B2/b
Alluaudite-Na□◻4Na4Mn2+4Fe3+8(PO4)12Mon. 2/m : B2/b
ArseniopleiteNaCaMnMn2(AsO4)3Mon. 2/m
BadaloviteNa2Mg2Fe(AsO4)3Mon. 2/m : B2/b
BradaczekiteNaCu4(AsO4)3Mon. 2/m : B2/b
CalciohatertiteNaNaCa(CaFe3+)(AsO4)3Mon. 2/m : B2/b
CalciojohilleriteNaCaMg3(AsO4)3Mon. 2/m : B2/b
CamanchacaiteNaCaMg2[AsO4][AsO3(OH)]2Mon. 2/m : B2/b
CanutiteNaMn3[AsO4][AsO3(OH)]2Mon. 2/m : B2/b
Caryinite(Na,Pb)(Ca,Na)CaMn2+2(AsO4)3Mon. 2/m
ErikapohliteCu3(Zn,Cu,Mg)4Ca2(AsO4)6 · 2H2O Mon. 2/m : B2/m
Ferroalluaudite(Na,Ca)Fe2+(Fe3+,Mn2+,Fe2+)2(PO4)3Mon. 2/m : B2/b
Ferroalluaudite-NaNaNa4Na4Fe2+4Fe3+8(PO4)12Mon. 2/m : B2/m
FerrohagendorfiteNaCaFe2+Fe2+2(PO4)3Mon.
GroatiteNaCaMn2(PO4)[PO3(OH)]2Mon. 2/m : B2/b
HagendorfiteNaCaMn2+Fe2+2(PO4)3Mon. 2/m : B2/b
Hagendorfite-NaNaNaNaFe2+(Mn2+,Mn3+)(PO4)3 (?)Mon. 2/m : B2/b
HatertiteNa2(Ca,Na)(Fe3+,Cu)2(AsO4)3Mon. 2/m : B2/b
JohilleriteNa(Mg,Zn)3Cu(AsO4)3Mon. 2/m : B2/b
KeyiteCu2+3Zn4Cd2(AsO4)6 · 2H2OMon. 2/m
KhrenoviteNa3Fe3+2(AsO4)3Mon. 2/m : B2/b
Maghagendorfite(Na,◻)MgMn2+(Fe2+,Fe3+)2(PO4)3Mon. 2/m
Magnesiohatertite(Na,Ca)2Ca(Mg,Fe3+)2(AsO4)3Mon. 2/m : B2/b
NickenichiteNa0.8Ca0.4Cu0.4(Mg,Fe)3(AsO4)3Mon. 2/m : B2/b
O'DanieliteNa(Zn,Mg)3(AsO4)(AsO3OH)2Mon. 2/m : B2/b
ParaberzeliiteNaCa2Mg2(AsO4)3Mon. 2/m : B2/b
Unnamed (Na-Mg Arsenate Hydroxyarsenate)NaMg3(AsO4)(AsO3OH)2Mon. 2/m : B2/b
Unnamed (Na-Zn-H Arsenate Hydrxyarsenate)Na(Na0.6Zn0.4)Zn2(H0.6AsO4)(AsO3OH)2Mon. 2/m : B2/b
VaruliteNaCaMn2+Mn2+2(PO4)3Mon. 2/m : B2/b
YazganiteNaFe3+2(Mg,Mn2+)(AsO4)3 · H2OMon. 2/m : B2/b
ZhanghuifeniteNa3Mn4Mg2Al(PO4)6Mon. 2/m
ZincobradaczekiteNaZn2Cu2(AsO4)3Mon. 2/m : B2/b

Common AssociatesHide

Associated Minerals Based on Photo Data:
1 photo of Magnesiocanutite associated with MagnesiokoritnigiteMg(AsO3OH) · H2O

Related Minerals - Strunz-mindat GroupingHide

8.AC.AngarfiteNaFe3+5(PO4)4(OH)4 · 4H2O Orth. 2 2 2 : C2 2 21
8.AC.WopmayiteCa6Na3◻Mn(PO4)3(PO3OH)4 Trig. 3m : R3c
8.AC.XDyrnaesite-(La)Na8Ce4+(La,REE)2(PO4)6Orth. mmm (2/m 2/m 2/m) : Pnma
8.AC.EdtolliteK2NaCu5Fe3+O2(AsO4)4Tric. 1 : P1
8.AC.AlumoedtolliteK2NaCu5AlO2(AsO4)4Tric. 1 : P1
8.AC.CrocobeloniteCaFe3+2O(PO4)2Orth. mmm (2/m 2/m 2/m) : Pnma
8.AC.ManganobadaloviteNaNaMn(MgFe3+)(AsO4)3Mon. 2/m : B2/b
8.AC.BeershevaiteCaFe3+3(PO4)3OMon. 2/m : P21/m
8.AC.CalciohatertiteNaNaCa(CaFe3+)(AsO4)3Mon. 2/m : B2/b
8.AC.KabaloviteFe2+3Fe3+4(PO4)6Tric. 1 : P1
8.AC.Nazarchukite Ca2NiFe3+2(PO4)4Orth. mmm (2/m 2/m 2/m) : Pbca
8.AC.Changesite–(Y)(Ca8Y)◻Fe2+(PO4)7Trig. 3m : R3c
8.AC.Crocobelonite-1MCaFe3+2O(PO4)2Mon. 2/m : P21/m
8.AC.Ebnerite(NH4)Zn(PO4)Hex. 6 : P63
8.AC.MagnesioqingheiiteNa2Mg(MgAl)(PO4)3Mon. 2/m
8.AC.Epiebnerite(NH4)Zn(PO4)Mon. 2 : P21
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.05CalciojohilleriteNaCaMg3(AsO4)3Mon. 2/m : B2/b
8.AC.05HowardevansiteNaCuFe2(VO4)3Tric. 1 : P1
8.AC.05O'DanieliteNa(Zn,Mg)3(AsO4)(AsO3OH)2Mon. 2/m : B2/b
8.AC.05 vaAlluaudite-Na□◻4Na4Mn2+4Fe3+8(PO4)12Mon. 2/m : B2/b
8.AC.05 vaAlluaudite-Ca□◻4Ca4Mn2+4Fe3+8(PO4)12Mon. 2/m : B2/b
8.AC.05 vaFerroalluaudite-NaNaNa4Na4Fe2+4Fe3+8(PO4)12Mon. 2/m : B2/m
8.AC.05Hagendorfite-NaNaNaNaFe2+(Mn2+,Mn3+)(PO4)3 (?)Mon. 2/m : B2/b
8.AC.05ErikapohliteCu3(Zn,Cu,Mg)4Ca2(AsO4)6 · 2H2O Mon. 2/m : B2/m
8.AC.05HatertiteNa2(Ca,Na)(Fe3+,Cu)2(AsO4)3Mon. 2/m : B2/b
8.AC.05Unnamed (Na-Mg Arsenate Hydroxyarsenate)NaMg3(AsO4)(AsO3OH)2Mon. 2/m : B2/b
8.AC.05Unnamed (Na-Zn-H Arsenate Hydrxyarsenate)Na(Na0.6Zn0.4)Zn2(H0.6AsO4)(AsO3OH)2Mon. 2/m : B2/b
8.AC.05ZincobradaczekiteNaZn2Cu2(AsO4)3Mon. 2/m : B2/b
8.AC.05BadaloviteNa2Mg2Fe(AsO4)3Mon. 2/m : B2/b
8.AC.05Magnesiohatertite(Na,Ca)2Ca(Mg,Fe3+)2(AsO4)3Mon. 2/m : B2/b
8.AC.05KhrenoviteNa3Fe3+2(AsO4)3Mon. 2/m : B2/b
8.AC.05ParaberzeliiteNaCa2Mg2(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.10Alluaudite(Na,Ca)Mn2+(Fe3+,Mn2+,Fe2+,Mg)2(PO4)3Mon. 2/m : B2/b
8.AC.10ArseniopleiteNaCaMnMn2(AsO4)3Mon. 2/m
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.10HagendorfiteNaCaMn2+Fe2+2(PO4)3Mon. 2/m : B2/b
8.AC.10JohilleriteNa(Mg,Zn)3Cu(AsO4)3Mon. 2/m : B2/b
8.AC.10Maghagendorfite(Na,◻)MgMn2+(Fe2+,Fe3+)2(PO4)3Mon. 2/m
8.AC.10NickenichiteNa0.8Ca0.4Cu0.4(Mg,Fe)3(AsO4)3Mon. 2/m : B2/b
8.AC.10VaruliteNaCaMn2+Mn2+2(PO4)3Mon. 2/m : B2/b
8.AC.10FerrohagendorfiteNaCaFe2+Fe2+2(PO4)3Mon.
8.AC.10BradaczekiteNaCu4(AsO4)3Mon. 2/m : B2/b
8.AC.10GroatiteNaCaMn2(PO4)[PO3(OH)]2Mon. 2/m : B2/b
8.AC.15BobfergusoniteNa2Mn5FeAl(PO4)6Mon. 2/m : P2/b
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.15Wyllieite(Na,Ca,Mn)(Mn,Fe)(Fe,Mg)Al(PO4)3Mon. 2/m
8.AC.15Ferrorosemaryite◻NaFe2+Fe3+Al(PO4)3Mon. 2/m
8.AC.15FerroqingheiiteNaNaFe2+(MgAl)(PO4)3Mon. 2/m : P21/m
8.AC.17CzochralskiiteNa4Ca3Mg(PO4)4Orth. mmm (2/m 2/m 2/m) : Pnma
8.AC.18ManitobaiteNa16Mn2+ 25Al8(PO4)30Mon. m : Pb
8.AC.20MarićiteNaFe2+(PO4)Orth. mmm (2/m 2/m 2/m) : Pmna
8.AC.25Berzeliite(NaCa2)Mg2(AsO4)3Iso. m3m (4/m 3 2/m) : Ia3d
8.AC.25Manganberzeliite(NaCa2)Mn2+2(AsO4)3Iso. m3m (4/m 3 2/m) : Ia3d
8.AC.25Palenzonaite(NaCa2)Mn2+2(VO4)3Iso. m3m (4/m 3 2/m) : Ia3d
8.AC.25Schäferite(NaCa2)Mg2(VO4)3Iso. m3m (4/m 3 2/m) : Ia3d
8.AC.25Hedegaardite(Ca,Na)9(Ca,Na)Mg(PO4)6(PO3OH)Trig. 3m : R3c
8.AC.25MatyhiteCa18(Ca,◻)2Fe2+2(PO4)14Trig. 3m : R3c
8.AC.30BrianiteNa2CaMg(PO4)2Mon. 2/m : P21/b
8.AC.35Vitusite-(Ce)Na3(Ce,La,Nd)(PO4)2Orth. mm2 : Pca21
8.AC.40Olgite(Sr,Ba)(Na,Sr,REE)2Na(PO4)2Trig. 3m (3 2/m) : P3m1
8.AC.40Bario-olgite(Ba,Sr)(Na,Sr,REE)2Na(PO4)2 · Trig. 3 : P3
8.AC.45StrontiowhitlockiteSr9Mg(PO4)6(PO3OH)Trig. 3m : R3c
8.AC.45WhitlockiteCa9Mg(PO4)6(PO3OH)Trig. 3m : R3c
8.AC.45MerrilliteCa9NaMg(PO4)7Trig. 3m : R3m
8.AC.45TuiteCa3(PO4)2Trig. 3m (3 2/m) : R3m
8.AC.45FerromerrilliteCa9NaFe2+(PO4)7Trig. 3m : R3c
8.AC.47IwateiteNa2BaMn(PO4)2Trig. 3 : P3
8.AC.47YurmariniteNa7(Fe3+,Mg,Cu)4(AsO4)6Trig. 3m (3 2/m) : R3c
8.AC.47OzerovaiteNa2KAl3(AsO4)4Orth. mmm (2/m 2/m 2/m) : Cmca
8.AC.47AnatolyiteNa6(Ca,Na)(Mg,Fe3+)3Al(AsO4)6Trig. 3m (3 2/m) : R3c
8.AC.47PansneriteK3Na3(Fe3+,Al)6(AsO4)8Orth. mmm (2/m 2/m 2/m)
8.AC.50ChladniiteNa3CaMg11(PO4)9Trig. 3 : R3
8.AC.50FillowiteNa3CaMn2+11(PO4)9Trig. 3 : R3
8.AC.50JohnsomervilleiteNa3CaFe11(PO4)9Trig. 3 : R3
8.AC.50GalileiiteNa3Fe2+Fe2+11(PO4)9Trig. 3 : R3
8.AC.50XenophylliteNa4Fe2+7(PO4)6Tric. 1 : P1
8.AC.50UdinaiteNaMg4(VO4)3Tet. 4 2m : I4 2d
8.AC.50ArsenudinaiteNaMg4(AsO4)3Tet. 4 2m : I4 2d
8.AC.52Lasnierite(Ca,Sr)(Mg,Fe2+)2Al(P[O,F]4)3Orth. mmm (2/m 2/m 2/m) : Pbcn
8.AC.55PharmazinciteKZnAsO4Hex. 6 : P63
8.AC.57ZubkovaiteCa3Cu3(AsO4)4Mon. 2 : B2
8.AC.60KosnariteKZr2(PO4)3Trig. 3m (3 2/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

Other InformationHide

Notes:
Slowly soluble in dilute HCl at room temperature
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 MagnesiocanutiteHide

References for MagnesiocanutiteHide

Localities for MagnesiocanutiteHide

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.
Chile (TL)
 
  • Tarapacá
    • Iquique Province
      • Salar Grande
Kampf, Anthony R., Nash, Barbara P., Maurizio, Dini, Molina Donoso, Arturo A. (2017) Magnesiocanutite, NaMnMg2[AsO4]2[AsO2(OH)2], a new protonated alluaudite-group mineral from the Torrecillas mine, Iquique Province, Chile. Mineralogical Magazine, 81 (6) 1523-1531 doi:10.1180/minmag.2017.081.013
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