Mineral of the Month Club - An Inexpensive Way to Enjoy Minerals General Zincowoodwardite-3R Information[Zn1BxAlx(OH)2][(SO4)x/2•n(H2O)], 0.32 < x < 0.50, n = 0.59 |
Molecular Weight = 109.02 gm |
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Aluminum 8.17 % Al 15.43 % Al2O3 |
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Zinc 29.99 % Zn 37.33 % ZnO |
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Boron 3.27 % B 10.54 % B2O3 |
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Hydrogen 2.94 % H 26.27 % H2O |
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Sulfur 5.88 % S 14.69 % SO3 |
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Oxygen 49.75 % O |
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100.00 % 104.26 % = TOTAL OXIDE |
Zn0.5B0.33Al0.33(OH)2(SO4)0.2•0.59(H2O) |
A member of the hydrotalcite group; polytype 3R |
Approved IMA 1998 (Dana # Added) |
Laurion (Lavrion,Laurium), Greece. Link to MinDat.org Location Data. |
Named as the Zn analog of woodwardite. |
IMA1998-026 |
| | Zincowoodwardite-3R Image
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Zincowoodwardite-3R Crystallographya:c = 1:8.29363 |
a = 3.065, c = 25.42, Z = 3; V = 206.81 Den(Calc)= 2.63 |
Trigonal - Hexagonal ScalenohedralH-M Symbol (3 2/m) Space Group: R 3m |
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), |
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| Physical Properties of Zincowoodwardite-3RNone |
Pale bluish white, Bluish white. |
2.66 |
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-3RCI 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 Uniaxial (-), w=1.5636. |
| Calculated Properties of Zincowoodwardite-3RBulk Density (Electron Density)=2.63 gm/cc |
note: Specific Gravity of Zincowoodwardite-3R =2.63 gm/cc. Fermion Index = 0.01 |
Boson Index = 0.99 PEZincowoodwardite-3R = 15.06 barns/electron |
U=PEZincowoodwardite-3R x rElectron Density= 39.55 barns/cc. GRapi = 0 (Gamma Ray American Petroleum Institute Units) |
Zincowoodwardite-3R is Not Radioactive | Zincowoodwardite-3R Classification31.02.02.03b (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-3R InformationNAME( 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-3R : |
1 - Am. Min. Crystal Structure Database 2 - Athena 3 - Google Images 4 - Google Scholar 5 - MinDAT 6 - MinMax(Deutsch) 7 - MinMax(English) 8 - Mineralienatlas (Deutsch) 9 - QUT Mineral Atlas 10 - Ruff.Info Search for Zincowoodwardite-3R using: Visit our Advertisers for Zincowoodwardite-3R : AA Mineral SpecimensB & L Fine Minerals Crystalarium.com Dan Weinrich Fine Minerals Dan Weinrich Auctions Dakota Matrix Desert Winds Gems and Minerals Excalibur Minerals Exceptional Minerals Fabre Minerals Heliodor John Betts Fine Minerals Mason's Minerals Mineral News Mineral of the Month Club Wrights Rock Shop Translate Zincowoodwardite-3R Mineral Data : Ask about Zincowoodwardite-3R here : Print or Cut-and-Paste your Zincowoodwardite-3R Specimen Label here :
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