General Zalesiite Information
______ ______
100.00 % 100.16 % = TOTAL OXIDE
Help on Environment: Environment:
Oxidation product of chalcopyrite The calcium and arsenate dominant member of the mixite group.
Help on Locality: Locality:
Zalesi (formerly Valdek) uranium deposit near Javornik, northern Moravia, Czech Republic. Link to 
MinDat.org Location Data.
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Zalesiite Crystallography
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Crystal Structure:
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Help on Above
Aruga A , Nakai I , Acta Crystallographica, Section C , 41 (1985) p.161-163, Structure of Ca-rich agardite,, (Ca0.40Y0.31Fe0.09Ce0.06La0.04Nd0.01)Cu6.19[(AsO4)2.42(HAsO4)0.49](OH)6.38*3H2O, Locality: Setoda, Hiroshima, Japan
Physical Properties of Zalesiite
Help on Habit: Habit:
Powdery - Forms a loose, poorly-coherent pulverulent mass.
Optical Properties of Zalesiite
Help on Gladstone-Dale: Gladstone-Dale:
CI meas= -0.101 (Poor) - where the CI = (1-KPDmeas/KC)
CI calc= -0.079 (Poor) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2041,KPDmeas= 0.2082,KC= 0.1891
Ncalc = 1.66 - 1.67
Calculated Properties of Zalesiite
Help on Electron Density: Electron Density:
Bulk Density (Electron Density)=3.39 gm/ccnote: Specific Gravity of Zalesiite =3.56 gm/cc.
Help on Photoelectric: Photoelectric:
PEZalesiite = 34.66 barns/electron
U=PEZalesiite x rElectron Density= 117.31 barns/cc.
Help on Radioactivity: Radioactivity:
GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Zalesiite is
Not Radioactive
Zalesiite Classification
(42.05)where (A)2 (XO4) Zq キ x(H2O)
42.05.01.01 Mixite BiCu6(AsO4)3(OH)6•3(H2O) P 63/m 6/m
42.05.01.02 Agardite-(Y) (Y,Ca)Cu6(AsO4)3(OH)6•3(H2O) P 63/m 6/m
42.05.01.02a Agardite-(La)! (La,Ca)Cu6(AsO4)3(OH)6•3(H2O) P 63/m 6/m
42.05.01.02b Agardite-(Nd)! (Pb,Nd,Y,La,Ca)Cu6(AsO4)3(OH)6•3(H2O) 6/m
42.05.01.02e Agardite-(Ce)! (Ce,Ca)Cu6(AsO4)3(OH)6•3(H2O) P 63/m 6/m
42.05.01.03 Goudeyite (Al,Y)Cu6(AsO4)3(OH)6•3(H2O) Unk Hex
42.05.01.04 Zalesiite! (Ca,Y)Cu6[(AsO4)2(AsO3OH)(OH)6]•3(H2O) P 63/m 6/m
42.05.01.06 Plumboagardite! (Pb,REE,Ca)Cu6(AsO4)3(OH)6•3(H2O) P 63/m 6/m
08.DL -With large and medium-sized cations, (OH, etc.):RO4 = 2:1
08.DL.15 Agardite-(Nd)! (Pb,Nd,Y,La,Ca)Cu6(AsO4)3(OH)6•3(H2O) 6/m
08.DL.15 Agardite-(Y) (Y,Ca)Cu6(AsO4)3(OH)6•3(H2O) P 63/m 6/m
08.DL.15 Goudeyite (Al,Y)Cu6(AsO4)3(OH)6•3(H2O) Unk Hex
08.DL.15 Zalesiite! (Ca,Y)Cu6[(AsO4)2(AsO3OH)(OH)6]•3(H2O) P 63/m 6/m
08.DL.15 Mixite BiCu6(AsO4)3(OH)6•3(H2O) P 63/m 6/m
08.DL.15 Petersite-(Y) (Y,Ce,Nd,Ca)Cu6(PO4)3(OH)6•3(H2O) P 63/m 6/m
Other Zalesiite Information
Help on References: References:
NAME( AmMin, vol 85, p 1564) PHYS. PROP.(AmMin, vol 85, p 1564) OPTIC PROP.(AmMin, vol 85, p 1564)