[Fine Minerals] [What's New] [Mineral Galleries] [My Collection] [Mineral Auctions] Weinrich Minerals, Inc Full-time professional mineral dealer with over 31 years experience in mineral collecting And 15 years selling mineral specimens on the internet and at major mineral shows 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 - GeoScienceWorld 4 - Google Images 5 - Google Scholar 6 - MinDAT 7 - Mineralienatlas (Deutsch) 8 - Online Mineral Museum 9 - QUT Mineral Atlas 10 - Ruff.Info Search for Zincowoodwardite-3R using: Visit our Advertisers for Zincowoodwardite-3R : B & L Fine MineralsDan Weinrich Fine Minerals Dan Weinrich Auctions Dakota Matrix Excalibur Minerals Exceptional Minerals Fabre Minerals John Betts Fine Minerals Lapis Mineral Journal Mineral News UV Tools 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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