Bradaczekite (original) (raw)

A valid IMA mineral species

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About BradaczekiteHide

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Crystal System:

Monoclinic

Name:

Named by Stanislov K. Filatov, L.P. Vergasova, M.G. Gorskaya, S.V. Krivovichev, P.C. Burns, and V.V Ananiev in 2001 in honor of Hans Bradaczek (12 January 1930, Berlin, Germany - 5 July 2015, Germany), crystallographer, entrepreneur, and professor at the Free University of Berlin. He was an expert in X-ray analysis.

Unique IdentifiersHide

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Long-form identifier:

mindat:1:1:10382:6

bf2d80a2-a8a1-448f-bffa-6dc430b3c04d

IMA Classification of BradaczekiteHide

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IMA Formula:

NaCuCuCu2(AsO4)3

Classification of BradaczekiteHide

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8.AC.10

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

38.2.4.4

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

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
Bdc 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 BradaczekiteHide

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Streak:

Light blue to white

Optical Data of BradaczekiteHide

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RI values:

_n_α = 1.760 _n_β = 1.920 _n_γ = 1.960

δ = 0.200

Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.

Optical Extinction:

Z = b; X ∧ c = 23° in the obtuse β angle.

Comments:

X = violet-red; Y = green; Z = greenish blue.

Chemistry of BradaczekiteHide

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Mindat Formula:

NaCu4(AsO4)3

Crystallography of BradaczekiteHide

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Crystal System:

Monoclinic

Class (H-M):

2/m - Prismatic

Cell Parameters:

a = 12.051 Å, b = 12.434 Å, c = 7.2662 Å
β = 117.942°

Ratio:

a:b:c = 0.969 : 1 : 0.584

Morphology:

Plates elongate along [102]. The well-developed forms are {010}, {311}, {111} and {112}. The forms {301}, {001}, {321}, {101}, {100}, {021}, {110}, {131}, {111} and {341} are common.

Crystal StructureHide

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ID Species Reference Link Year Locality Pressure (GPa) Temp (K)
0015718 Bradaczekite Krivovichev S V, Filatov S K, Burns P C (2001) The Jahn-Teller distortion of copper coordination polyhedra in the alluaudite structural type: Crystal structure of bradaczekite, NaCu4(AsO4)3 Zapiski Vserossijskogo Mineralogicheskogo Obshchestva 2001 1-8 2001 0 293

CIF Raw Data - click here to close

X-Ray Powder DiffractionHide

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Powder Diffraction Data:

d-spacing Intensity
6.22 Å (13)
3.60 Å (21)
3.43 Å (100)
3.21 Å (35)
2.791 Å (24)
2.696 Å (18)
2.683 Å (30)
2.665 Å (17)

Comments:

Tolbachik volcano, Russia. Data from the type description.

Geological EnvironmentHide

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Type Occurrence of BradaczekiteHide

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General Appearance of Type Material:

Aggregates of elongate plates and intergrowths with urusovite and johillerite. Individual grains are about 0.2 mm in length and about 0.1-0.2 mm across.

Place of Conservation of Type Material:

Mining Museum of the Mining Institute, Saint Petersburg, Russia.

Geological Setting of Type Material:

Associated Minerals at Type Locality:

Synonyms of BradaczekiteHide

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Other Language Names for BradaczekiteHide

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Simplified Chinese:砷钠铜石

Traditional Chinese:砷鈉銅石

Relationship of Bradaczekite to other SpeciesHide

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Other Members of this group:

Alluaudite (Na,Ca)Mn2+(Fe3+,Mn2+,Fe2+,Mg)2(PO4)3 Mon. 2/m : _B_2/b
Alluaudite-Ca□ ◻4Ca4Mn2+4Fe3+8(PO4)12 Mon. 2/m : _B_2/b
Alluaudite-Na□ ◻4Na4Mn2+4Fe3+8(PO4)12 Mon. 2/m : _B_2/b
Arseniopleite NaCaMnMn2(AsO4)3 Mon. 2/m
Badalovite Na2Mg2Fe(AsO4)3 Mon. 2/m : _B_2/b
Calciohatertite NaNaCa(CaFe3+)(AsO4)3 Mon. 2/m : _B_2/b
Calciojohillerite NaCaMg3(AsO4)3 Mon. 2/m : _B_2/b
Camanchacaite NaCaMg2[AsO4][AsO3(OH)]2 Mon. 2/m : _B_2/b
Canutite NaMn3[AsO4][AsO3(OH)]2 Mon. 2/m : _B_2/b
Caryinite (Na,Pb)(Ca,Na)CaMn2+2(AsO4)3 Mon. 2/m
Erikapohlite Cu3(Zn,Cu,Mg)4Ca2(AsO4)6 · 2H2O Mon. 2/m : _B_2/m
Ferroalluaudite (Na,Ca)Fe2+(Fe3+,Mn2+,Fe2+)2(PO4)3 Mon. 2/m : _B_2/b
Ferroalluaudite-NaNa Na4Na4Fe2+4Fe3+8(PO4)12 Mon. 2/m : _B_2/m
Ferrohagendorfite NaCaFe2+Fe2+2(PO4)3 Mon.
Groatite NaCaMn2(PO4)[PO3(OH)]2 Mon. 2/m : _B_2/b
Hagendorfite NaCaMn2+Fe2+2(PO4)3 Mon. 2/m : _B_2/b
Hagendorfite-NaNa NaNaFe2+(Mn2+,Mn3+)(PO4)3 (?) Mon. 2/m : _B_2/b
Hatertite Na2(Ca,Na)(Fe3+,Cu)2(AsO4)3 Mon. 2/m : _B_2/b
Johillerite Na(Mg,Zn)3Cu(AsO4)3 Mon. 2/m : _B_2/b
Keyite Cu2+3Zn4Cd2(AsO4)6 · 2H2O Mon. 2/m
Khrenovite Na3Fe3+2(AsO4)3 Mon. 2/m : _B_2/b
Maghagendorfite (Na,◻)MgMn2+(Fe2+,Fe3+)2(PO4)3 Mon. 2/m
Magnesiocanutite NaMnMg2[AsO4]2[AsO2(OH)2] Mon. 2/m : _B_2/b
Magnesiohatertite (Na,Ca)2Ca(Mg,Fe3+)2(AsO4)3 Mon. 2/m : _B_2/b
Nickenichite Na0.8Ca0.4Cu0.4(Mg,Fe)3(AsO4)3 Mon. 2/m : _B_2/b
O'Danielite Na(Zn,Mg)3(AsO4)(AsO3OH)2 Mon. 2/m : _B_2/b
Paraberzeliite NaCa2Mg2(AsO4)3 Mon. 2/m : _B_2/b
Unnamed (Na-Mg Arsenate Hydroxyarsenate) NaMg3(AsO4)(AsO3OH)2 Mon. 2/m : _B_2/b
Unnamed (Na-Zn-H Arsenate Hydroxyarsenate) Na(Na0.6Zn0.4)Zn2(H0.6AsO4)(AsO3OH)2 Mon. 2/m : _B_2/b
Varulite NaCaMn2+Mn2+2(PO4)3 Mon. 2/m : _B_2/b
Yazganite NaFe3+2(Mg,Mn2+)(AsO4)3 · H2O Mon. 2/m : _B_2/b
Zhanghuifenite Na3Mn4Mg2Al(PO4)6 Mon. 2/m
Zincobradaczekite NaZn2Cu2(AsO4)3 Mon. 2/m : _B_2/b

Common AssociatesHide

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Associated Minerals Based on Photo Data:

Related Minerals - Strunz-mindat GroupingHide

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8.AC. Angarfite NaFe3+5(PO4)4(OH)4 · 4H2O Orth. 222 : _C_2221
8.AC. Wopmayite Ca6Na3◻Mn(PO4)3(PO3OH)4 Trig. 3_m_ : R_3_c
8.AC.X Dyrnaesite-(La) Na8Ce4+(La,REE)2(PO4)6 Orth. m m m _(_2/_m_2/_m_2/m ) : P n m a
8.AC. Edtollite K2NaCu5Fe3+O2(AsO4)4 Tric. 1 : _P_1
8.AC. Alumoedtollite K2NaCu5AlO2(AsO4)4 Tric. 1 : _P_1
8.AC. Crocobelonite CaFe3+2O(PO4)2 Orth. m m m _(_2/_m_2/_m_2/m ) : P n m a
8.AC. Manganobadalovite NaNaMn(MgFe3+)(AsO4)3 Mon. 2/m : _B_2/b
8.AC. Beershevaite CaFe3+3(PO4)3O Mon. 2/m : _P_21/m
8.AC. Calciohatertite NaNaCa(CaFe3+)(AsO4)3 Mon. 2/m : _B_2/b
8.AC. Kabalovite Fe2+3Fe3+4(PO4)6 Tric. 1 : _P_1
8.AC. Nazarchukite Ca2NiFe3+2(PO4)4 Orth. m m m _(_2/_m_2/_m_2/m ) : P b c a
8.AC. Changesite–(Y) (Ca8Y)◻Fe2+(PO4)7 Trig. 3_m_ : R_3_c
8.AC. Crocobelonite-1M CaFe3+2O(PO4)2 Mon. 2/m : _P_21/m
8.AC. Ebnerite (NH4)Zn(PO4) Hex. 6 : _P_63
8.AC. Magnesioqingheiite Na2Mg(MgAl)(PO4)3 Mon. 2/m
8.AC. Epiebnerite (NH4)Zn(PO4) Mon. 2 : _P_21
8.AC.02 Grigorievite Cu3Fe3+2Al2(VO4)6 Tric. 1 : _P_1
8.AC.02 Koksharovite CaMg2Fe3+4(VO4)6 Tric. 1 : _P_1
8.AC.02 Ziminaite Fe3+ 6 (VO4)6 Tric. 1 : _P_1
8.AC.05 Calciojohillerite NaCaMg3(AsO4)3 Mon. 2/m : _B_2/b
8.AC.05 Howardevansite NaCuFe2(VO4)3 Tric. 1 : _P_1
8.AC.05 O'Danielite Na(Zn,Mg)3(AsO4)(AsO3OH)2 Mon. 2/m : _B_2/b
8.AC.05 va Alluaudite-Na□ ◻4Na4Mn2+4Fe3+8(PO4)12 Mon. 2/m : _B_2/b
8.AC.05 va Alluaudite-Ca□ ◻4Ca4Mn2+4Fe3+8(PO4)12 Mon. 2/m : _B_2/b
8.AC.05 va Ferroalluaudite-NaNa Na4Na4Fe2+4Fe3+8(PO4)12 Mon. 2/m : _B_2/m
8.AC.05 Hagendorfite-NaNa NaNaFe2+(Mn2+,Mn3+)(PO4)3 (?) Mon. 2/m : _B_2/b
8.AC.05 Erikapohlite Cu3(Zn,Cu,Mg)4Ca2(AsO4)6 · 2H2O Mon. 2/m : _B_2/m
8.AC.05 Hatertite Na2(Ca,Na)(Fe3+,Cu)2(AsO4)3 Mon. 2/m : _B_2/b
8.AC.05 Unnamed (Na-Mg Arsenate Hydroxyarsenate) NaMg3(AsO4)(AsO3OH)2 Mon. 2/m : _B_2/b
8.AC.05 Unnamed (Na-Zn-H Arsenate Hydroxyarsenate) Na(Na0.6Zn0.4)Zn2(H0.6AsO4)(AsO3OH)2 Mon. 2/m : _B_2/b
8.AC.05 Zincobradaczekite NaZn2Cu2(AsO4)3 Mon. 2/m : _B_2/b
8.AC.05 Badalovite Na2Mg2Fe(AsO4)3 Mon. 2/m : _B_2/b
8.AC.05 Magnesiocanutite NaMnMg2[AsO4]2[AsO2(OH)2] Mon. 2/m : _B_2/b
8.AC.05 Magnesiohatertite (Na,Ca)2Ca(Mg,Fe3+)2(AsO4)3 Mon. 2/m : _B_2/b
8.AC.05 Khrenovite Na3Fe3+2(AsO4)3 Mon. 2/m : _B_2/b
8.AC.05 Paraberzeliite NaCa2Mg2(AsO4)3 Mon. 2/m : _B_2/b
8.AC.05 Camanchacaite NaCaMg2[AsO4][AsO3(OH)]2 Mon. 2/m : _B_2/b
8.AC.05 Manganohatertite NaNaCa(MnFe3+)(AsO4)3 Mon. 2/m : _B_2/b
8.AC.07 Zhanghuifenite Na3Mn4Mg2Al(PO4)6 Mon. 2/m
8.AC.07 Ferrobobfergusonite Na2Fe2+5Fe3+Al(PO4)6 Mon.
8.AC.10 Alluaudite (Na,Ca)Mn2+(Fe3+,Mn2+,Fe2+,Mg)2(PO4)3 Mon. 2/m : _B_2/b
8.AC.10 Arseniopleite NaCaMnMn2(AsO4)3 Mon. 2/m
8.AC.10 Caryinite (Na,Pb)(Ca,Na)CaMn2+2(AsO4)3 Mon. 2/m
8.AC.10 Ferroalluaudite (Na,Ca)Fe2+(Fe3+,Mn2+,Fe2+)2(PO4)3 Mon. 2/m : _B_2/b
8.AC.10 Hagendorfite NaCaMn2+Fe2+2(PO4)3 Mon. 2/m : _B_2/b
8.AC.10 Johillerite Na(Mg,Zn)3Cu(AsO4)3 Mon. 2/m : _B_2/b
8.AC.10 Maghagendorfite (Na,◻)MgMn2+(Fe2+,Fe3+)2(PO4)3 Mon. 2/m
8.AC.10 Nickenichite Na0.8Ca0.4Cu0.4(Mg,Fe)3(AsO4)3 Mon. 2/m : _B_2/b
8.AC.10 Varulite NaCaMn2+Mn2+2(PO4)3 Mon. 2/m : _B_2/b
8.AC.10 Ferrohagendorfite NaCaFe2+Fe2+2(PO4)3 Mon.
8.AC.10 Groatite NaCaMn2(PO4)[PO3(OH)]2 Mon. 2/m : _B_2/b
8.AC.15 Bobfergusonite Na2Mn5FeAl(PO4)6 Mon. 2/m : _P_2/b
8.AC.15 Ferrowyllieite (Na,Ca,Mn)(Fe,Mn)(Fe,Fe,Mg)Al(PO4)3 Mon. 2/m : _P_21/b
8.AC.15 Qingheiite NaNaMn2+(MgAl)(PO4)3 Mon. 2/m : _P_21/b
8.AC.15 Rosemaryite (Na,Ca,Mn)(Mn,Fe2+)(Fe3+,Mg)Al(PO4)3 Mon. 2/m : _P_21/b
8.AC.15 Wyllieite (Na,Ca,Mn)(Mn,Fe)(Fe,Mg)Al(PO4)3 Mon. 2/m
8.AC.15 Ferrorosemaryite ◻NaFe2+Fe3+Al(PO4)3 Mon. 2/m
8.AC.15 Ferroqingheiite NaNaFe2+(MgAl)(PO4)3 Mon. 2/m : _P_21/m
8.AC.17 Czochralskiite Na4Ca3Mg(PO4)4 Orth. m m m _(_2/_m_2/_m_2/m ) : P n m a
8.AC.18 Manitobaite Na16Mn2+ 25Al8(PO4)30 Mon. m : P b
8.AC.20 Marićite NaFe2+(PO4) Orth. m m m _(_2/_m_2/_m_2/m ) : P m n a
8.AC.25 Berzeliite (NaCa2)Mg2(AsO4)3 Iso. m_3_m _(_4/_m_32/m ) : I a_3_d
8.AC.25 Manganberzeliite (NaCa2)Mn2+2(AsO4)3 Iso. m_3_m _(_4/_m_32/m ) : I a_3_d
8.AC.25 Palenzonaite (NaCa2)Mn2+2(VO4)3 Iso. m_3_m _(_4/_m_32/m ) : I a_3_d
8.AC.25 Schäferite (NaCa2)Mg2(VO4)3 Iso. m_3_m _(_4/_m_32/m ) : I a_3_d
8.AC.25 Hedegaardite (Ca,Na)9(Ca,Na)Mg(PO4)6(PO3OH) Trig. 3_m_ : R_3_c
8.AC.25 Matyhite Ca18(Ca,◻)2Fe2+2(PO4)14 Trig. 3_m_ : R_3_c
8.AC.30 Brianite Na2CaMg(PO4)2 Mon. 2/m : _P_21/b
8.AC.35 Vitusite-(Ce) Na3(Ce,La,Nd)(PO4)2 Orth. m _m_2 : P c _a_21
8.AC.40 Olgite (Sr,Ba)(Na,Sr,REE)2Na(PO4)2 Trig. 3_m_ _(_32/m ) : _P_3_m_1
8.AC.40 Bario-olgite (Ba,Sr)(Na,Sr,REE)2Na(PO4)2 · Trig. 3 : _P_3
8.AC.45 Strontiowhitlockite Sr9Mg(PO4)6(PO3OH) Trig. 3_m_ : R_3_c
8.AC.45 Whitlockite Ca9Mg(PO4)6(PO3OH) Trig. 3_m_ : R_3_c
8.AC.45 Merrillite Ca9NaMg(PO4)7 Trig. 3_m_ : R_3_m
8.AC.45 Tuite Ca3(PO4)2 Trig. 3_m_ _(_32/m ) : R_3_m
8.AC.45 Ferromerrillite Ca9NaFe2+(PO4)7 Trig. 3_m_ : R_3_c
8.AC.47 Iwateite Na2BaMn(PO4)2 Trig. 3 : _P_3
8.AC.47 Yurmarinite Na7(Fe3+,Mg,Cu)4(AsO4)6 Trig. 3_m_ _(_32/m ) : R_3_c
8.AC.47 Ozerovaite Na2KAl3(AsO4)4 Orth. m m m _(_2/_m_2/_m_2/m ) : C m c a
8.AC.47 Anatolyite Na6(Ca,Na)(Mg,Fe3+)3Al(AsO4)6 Trig. 3_m_ _(_32/m ) : R_3_c
8.AC.47 Pansnerite K3Na3(Fe3+,Al)6(AsO4)8 Orth. m m m _(_2/_m_2/_m_2/m )
8.AC.50 Chladniite Na3CaMg11(PO4)9 Trig. 3 : _R_3
8.AC.50 Fillowite Na3CaMn2+11(PO4)9 Trig. 3 : _R_3
8.AC.50 Johnsomervilleite Na3CaFe11(PO4)9 Trig. 3 : _R_3
8.AC.50 Galileiite Na3Fe2+Fe2+11(PO4)9 Trig. 3 : _R_3
8.AC.50 Xenophyllite Na4Fe2+7(PO4)6 Tric. 1 : _P_1
8.AC.50 Udinaite NaMg4(VO4)3 Tet. 42_m_ : I_42_d
8.AC.50 Arsenudinaite NaMg4(AsO4)3 Tet. 42_m_ : I_42_d
8.AC.52 Lasnierite (Ca,Sr)(Mg,Fe2+)2Al(P[O,F]4)3 Orth. m m m _(_2/_m_2/_m_2/m ) : P b c n
8.AC.55 Pharmazincite KZnAsO4 Hex. 6 : _P_63
8.AC.57 Zubkovaite Ca3Cu3(AsO4)4 Mon. 2 : _B_2
8.AC.60 Kosnarite KZr2(PO4)3 Trig. 3_m_ _(_32/m ) : R_3_c
8.AC.65 Panethite (Na,Ca)2(Mg,Fe2+)2(PO4)2 Mon. 2/m : _P_21/b
8.AC.70 Stanfieldite Ca4Mg5(PO4)6 Mon.
8.AC.75 Ronneburgite K2MnV4O12 Mon. 2/m
8.AC.80 Tillmannsite Ag3Hg[(V,As)O4] Tet. 4 : _I_4
8.AC.85 Filatovite K(Al,Zn)2(As,Si)2O8 Mon. 2/m

Fluorescence of BradaczekiteHide

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Other InformationHide

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Notes:

Stable at room temperature/pressure. Practically insoluble in water and alcohol.

Health Risks:

No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

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References for BradaczekiteHide

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Reference List:

Filatov, S. K., Vergasova, L. P., Gorskaya, M. G., Krivovichev, S. V., Burns, P. C., Ananiev, V. V. (2001) Bradaczekite, NaCu4(AsO4)3, a new mineral species from the Tolbachik Volcano, Kamchatka Peninsula, Russia. The Canadian Mineralogist, 39 (4) 1115-1119 doi:10.2113/gscanmin.39.4.1115

Filatov, S.K., Rybin, D.S., Krivovichev, S.V., Vergasova, L.P. (2009) Thermal expansion of new arsenate minerals, bradaczekite, NaCu4(AsO4)3, and urusovite, Cu(AsAlO5). Geology of Ore Deposits: 51: 827-832.

Localities for BradaczekiteHide

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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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