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Zincowoodwardite-3R Mineral Data

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General Zincowoodwardite-3R Information

Help on Chemical  Formula: Chemical Formula: [Zn1BxAlx(OH)2][(SO4)x/2•n(H2O)], 0.32 < x < 0.50, n = 0.59
Help on Composition: Composition: Molecular Weight = 109.02 gm
   Aluminum   8.17 %  Al   15.43 % Al2O3
   Zinc      29.99 %  Zn   37.33 % ZnO
   Boron      3.27 %  B    10.54 % B2O3
   Hydrogen   2.94 %  H    26.27 % H2O
   Sulfur     5.88 %  S    14.69 % SO3
   Oxygen    49.75 %  O
            ______        ______ 
            100.00 %      104.26 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Zn0.5B0.33Al0.33(OH)2(SO4)0.2•0.59(H2O)
Help on Environment: Environment: A member of the hydrotalcite group; polytype 3R
Help on IMA Status: IMA Status: Approved IMA 1998 (Dana # Added)
Help on Locality: Locality: Laurion (Lavrion,Laurium), Greece. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named as the Zn analog of woodwardite.
Help on Synonym: Synonym: IMA1998-026

Zincowoodwardite-3R Image

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  Zincowoodwardite-1T   Zincowoodwardite-3R

Comments: Zincowoodwardite-1T and zincowoodwardite-3R spherical aggregates. Holotype specimen for both species.
Location: Kamariza mine, Hilarion Mine, Lavrion, Attikí Prefecture, Greece. Scale: Capsule length 3 cm.
© German Type Specimen Catalogue

Zincowoodwardite-3R Crystallography

Help on Axial Ratios: Axial Ratios: a:c = 1:8.29363
Help on Cell Dimensions: Cell Dimensions: a = 3.065, c = 25.42, Z = 3; V = 206.81 Den(Calc)= 2.63
Help on Crystal System: Crystal System: Trigonal - Hexagonal Scalenohedral H-M Symbol (3 2/m) Space Group: R 3m
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 8.5(1)(003), 2.354(0.4)(.04), 4.248(0.33)(006),2.6(0.05)(012), 2.039(0.03)(018), 1.508(0.02)(113), 1.532(0.02)(110),

Physical Properties of Zincowoodwardite-3R

Help on Cleavage: Cleavage: None
Help on Color: Color: Pale bluish white, Bluish white.
Help on Density: Density: 2.66
Help on Diaphaneity: Diaphaneity: Translucent
Help on Fracture: Fracture: Sectile - Curved shavings or scrapings produced by a knife blade, (e.g. graphite).
Help on Habit: Habit: Pseudo Hexagonal - Crystals show a hexagonal outline.
Help on Habit: Habit: Tabular - Form dimensions are thin in one direction.
Help on Hardness: Hardness: 1 - Talc
Help on Luster: Luster: Waxy
Help on Streak: Streak: pale bluish white

Optical Properties of Zincowoodwardite-3R

Help on Gladstone-Dale: Gladstone-Dale: CI meas= 0.074 (Fair) - where the CI = (1-KPDmeas/KC)
CI calc= 0.064 (Fair) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2143,KPDmeas= 0.2119,KC= 0.2289
Ncalc = 1.6 - 1.61
Help on Optical Data: Optical Data: Uniaxial (-), w=1.5636.

Calculated Properties of Zincowoodwardite-3R

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=2.63 gm/cc
note: Specific Gravity of Zincowoodwardite-3R =2.63 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.01
Boson Index = 0.99
Help on Photoelectric: Photoelectric: PEZincowoodwardite-3R = 15.06 barns/electron
U=PEZincowoodwardite-3R x rElectron Density= 39.55 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Zincowoodwardite-3R is Not Radioactive

Zincowoodwardite-3R Classification

Help on  Dana Class: Dana Class: (31)Hydrated Sulfates Containing Hydroxyl or Halogen
  (31.02)where (A+ B++)6 (XO4) Zq�x(H2O)
  (31.02.02)Woodwardite Group Woodwardite Cu4Al2(SO4)(OH)12•2-4(H2O) Unk Hex Hydrowoodwardite! Cu1-xAlx(OH)2(SO4)x/2•n(H2O)with0<x<0.67andn>3x/2 R 3m 3 2/m Zincowoodwardite! [Zn1-xAlx(OH)2][(SO4)x/2(H2O)n] P 3- or R 3m 3 Zincowoodwardite-1T! [Zn1BxAlx(OH)2][(SO4)x/2•n(H2O)],x=0.33,n.0.96 P 3 3 Zincowoodwardite-3R! [Zn1BxAlx(OH)2][(SO4)x/2•n(H2O)],0.32<x<0.50,n=0.59 R 3m 3 2/m
Help on  Strunz Class: Strunz Class: 07.DD.35 07 - SULFATES (SELENATES, TELLURATES)
  07.D - Sulfates (selenates, etc.) with additional anions, with H2O
  07.DD -With only medium-sized cations; sheets of edge-sharing octahedra
07.DD.35 Carrboydite (Ni,Cu)14Al9(SO4,CO3)6(OH)43•7(H2O) Unk Hex
07.DD.35 Glaucocerinite (Zn,Cu)5Al3(SO4)1.5(OH)16•9(H2O) Unk (HEX-R) Trig
07.DD.35 Honessite Ni6Fe2(SO4)(OH)16•4(H2O) R 3m 3 2/m
07.DD.35 Hydrowoodwardite! Cu1-xAlx(OH)2(SO4)x/2•n(H2O)with0<x<0.67andn>3x/2 R 3m 3 2/m
07.DD.35 Zincowoodwardite! [Zn1-xAlx(OH)2][(SO4)x/2(H2O)n] P 3- or R 3m 3
07.DD.35 Hydrohonessite Ni6Fe2(SO4)(OH)16•7(H2O) Unk Hex
07.DD.35 Motukoreaite Na2Mg38Al24(CO3)13(SO4)8(OH)108•56(H2O) R 3m 3 2/m
07.DD.35 Mountkeithite (Mg,Ni)11(Fe,Cr)3(SO4,CO3)3.5(OH)24•11(H2O) Unk Hex
07.DD.35 Shigaite Mn7Al4(SO4)2(OH)22•8(H2O) R 3 3
07.DD.35 Natroglaucocerinite! (Na,Zn,Cu)10Al6(SO4)3(OH)32•18(H2O)? Unk
07.DD.35 Wermlandite (Ca,Mg)Mg7(Al,Fe)2(SO4)2(OH)18•12(H2O) P 3c1 3 2/m
07.DD.35 Nikischerite! NaFe6Al3(SO4)2(OH)18(H2O)12 R 3 3
07.DD.35 Zincaluminite Zn6Al6(SO4)2(OH)26•5(H2O) Unk Hex
07.DD.35 Woodwardite Cu4Al2(SO4)(OH)12•2-4(H2O) Unk Hex
07.DD.35 Zincowoodwardite-3R! [Zn1BxAlx(OH)2][(SO4)x/2•n(H2O)],0.32<x<0.50,n=0.59 R 3m 3 2/m
07.DD.35 Zincowoodwardite-1T! [Zn1BxAlx(OH)2][(SO4)x/2•n(H2O)],x=0.33,n.0.96 P 3 3

Other Zincowoodwardite-3R Information

Help on References: References: NAME( AmMin, vol 86, p 769) PHYS. PROP.(AmMin, Vol 86, p 769) OPTIC PROP.(AmMin, Vol 86, p 769)
Help on See Also: See Also: Links to other databases for Zincowoodwardite-3R :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - GeoScienceWorld
4 - Google Images
5 - Google Scholar
6 - MinDAT
7 - Mineralienatlas (Deutsch)
8 - Online Mineral Museum
9 - QUT Mineral Atlas
10 - Ruff.Info

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Print or Cut-and-Paste your Zincowoodwardite-3R Specimen Label here :


[Zn1BxAlx(OH)2][(SO4)x/2•n(H2O)], 0.32 < x < 0.50, n = 0.59
Dana No: Strunz No: 07.DD.35





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