General Zincowoodwardite Information![]() [Zn1-xAlx(OH)2][(SO4)x/2(H2O)n] |
![]() Molecular Weight = 103.10 gm |
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Aluminum 9.94 % Al 18.79 % Al2O3 |
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Zinc 29.81 % Zn 37.10 % ZnO |
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Hydrogen 3.13 % H 27.96 % H2O |
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Sulfur 5.60 % S 13.98 % SO3 |
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Oxygen 51.52 % O |
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100.00 % 97.83 % = TOTAL OXIDE |
![]() Zn0.47Al0.38(OH)2(SO4)0.18(H2O)0.6 |
![]() Composed of intergrown 1T and 3R polytypes. |
![]() Approved IMA 1995 (Dana # Added) |
![]() Laurion (Lavrion,Laurium), Greece. Link to MinDat.org Location Data. |
![]() Named as the Zn analog of woodwardite. |
![]() IMA1998-026 |
| | Zincowoodwardite Image
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Zincowoodwardite Crystallography![]() a:c = 1:2.91463 |
![]() a = 3.0364, c = 8.85, Z = 1; V = 70.66 Den(Calc)= 2.42 |
![]() Trigonal - RhombohedralH-M Symbol ( 3) Space Group: P 3- or R 3m |
![]() By Intensity(I/Io): 11.12(1), 5.549(0.24), 3.704(0.15), |
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| Physical Properties of Zincowoodwardite![]() None |
![]() Pale blue, Bluish white. |
![]() 2.66 - 2.71, Average = 2.68 |
![]() Translucent |
![]() Sectile - Curved shavings or scrapings produced by a knife blade, (e.g. graphite). |
![]() Pseudo Hexagonal - Crystals show a hexagonal outline. |
![]() Tabular - Form dimensions are thin in one direction. |
![]() 1 - Talc |
![]() Waxy |
![]() pale bluish white |
| Optical Properties of Zincowoodwardite![]() CI meas= 0.066 (Fair) - where the CI = (1-KPDmeas/KC) |
CI calc= -0.036 (Excellent) - where the CI = (1-KPDcalc/KC) KPDcalc= 0.2252,KPDmeas= 0.203,KC= 0.2173 Ncalc = 1.53 - 1.59 ![]() Uniaxial (?), b=1.532-1.558. |
| Calculated Properties of Zincowoodwardite![]() Bulk Density (Electron Density)=2.43 gm/cc |
note: Specific Gravity of Zincowoodwardite =2.42 gm/cc. ![]() Fermion Index = 0.01 |
Boson Index = 0.99 ![]() PEZincowoodwardite = 14.95 barns/electron |
U=PEZincowoodwardite x rElectron Density= 36.27 barns/cc. ![]() GRapi = 0 (Gamma Ray American Petroleum Institute Units) |
Zincowoodwardite is Not Radioactive | Zincowoodwardite Classification![]() 31.02.02.03 (31)Hydrated Sulfates Containing Hydroxyl or Halogen |
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(31.02)where (A+ B++)6 (XO4) Zq·x(H2O) |
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(31.02.02)Woodwardite Group |
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![]() 07.DD.35 07 - SULFATES (SELENATES, TELLURATES) |
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07.D - Sulfates (selenates, etc.) with additional anions, with H2O |
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07.DD -With only medium-sized cations; sheets of edge-sharing octahedra |
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| Other Zincowoodwardite Information![]() NAME( AmMin, vol 86, p 769) PHYS. PROP.(AmMin, Vol 86, p 769) OPTIC PROP.(AmMin, Vol 86, p 769) |
![]() Links to other databases for Zincowoodwardite : |
1 - Am. Min. Crystal Structure Database 2 - Athena 3 - GeoScienceWorld 4 - Google Images 5 - Google Scholar 6 - Handbook of Mineralogy (MinSocAm) 7 - Handbook of Mineralogy (UofA) 8 - MinDAT 9 - Mineralienatlas (Deutsch) 10 - Online Mineral Museum 11 - QUT Mineral Atlas 12 - Ruff.Info Search for Zincowoodwardite using: Visit our Advertisers for Zincowoodwardite : A Bijoux Google Search for ZincowoodwarditeAdam's Minerals Google Search for Zincowoodwardite Cape Minerals Google Search for Zincowoodwardite Dakota Matrix Minerals Google Search for Zincowoodwardite Excalibur Mineral Corp. Google Search for Zincowoodwardite Exceptional Minerals Google Search for Zincowoodwardite John Betts Fine Minerals Search for Zincowoodwardite McDougall Minerals Google Search for Zincowoodwardite Mineral News Website Link Rock and Mineral Shows Google Search for Zincowoodwardite Weinrich Minerals, Inc. Google Search for Zincowoodwardite Ask about Zincowoodwardite here : Print or Cut-and-Paste your Zincowoodwardite Specimen Label here :
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