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Zincaluminite Mineral Data |
General Zincaluminite Information |
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Zn6Al6(SO4)2(OH)26•5(H2O) | ||
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Molecular Weight = 1,278.62 gm | ||
Aluminum 12.66 % Al 23.92 % Al2O3 | |||
Zinc 30.68 % Zn 38.19 % ZnO | |||
Hydrogen 2.84 % H 25.36 % H2O | |||
Sulfur 5.02 % S 12.52 % SO3 | |||
Oxygen 48.80 % O | |||
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100.00 % 100.00 % = TOTAL OXIDE | |||
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Zn6Al6(SO4)2(OH)26•5(H2O) | ||
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Questionable species. Ancient lead slags. | ||
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Valid Species (Pre-IMA) 1881 | ||
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Laurium, Greece. Link to MinDat.org Location Data. | ||
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Named for the composition. | ||
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Zincaluminite + Pronunciation ![]() |
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Zincaluminite Image | |||
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Zincaluminite Crystallography |
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Hexagonal Space Group: Unk | ||
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By Intensity(I/Io): 4.83(1), 11.1(0.5), 7.07(0.4),2.4(0.3), 2.45(0.3), 4.35(0.3), 2.71(0.2), 3.55(0.2), | ||
Physical Properties of Zincaluminite |
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Bluish white, White, Light blue. | ||
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2.26 | ||
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Microscopic Crystals - Crystals visible only with microscopes. | ||
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2.5-3 - Finger Nail-Calcite | ||
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white | ||
Optical Properties of Zincaluminite |
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CI meas= -0.062 (Fair) - where the CI = (1-KPDmeas/KC) KPDmeas= 0.2319,KC= 0.2183 Ncalc = 1.49 |
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Uniaxial (-), e=1.514, w=1.534, bire=0.0200. | ||
Calculated Properties of Zincaluminite |
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Bulk Density (Electron Density)=2.26 gm/cc note: Specific Gravity of Zincaluminite =2.26 gm/cc. |
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Fermion Index = 0.01 Boson Index = 0.99 |
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PEZincaluminite = 15.46 barns/electron U=PEZincaluminite x rElectron Density= 34.86 barns/cc. |
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GRapi = 0 (Gamma Ray American Petroleum Institute Units) Zincaluminite is Not Radioactive |
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Zincaluminite Classification |
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31.02.03.01 (31)Hydrated Sulfates Containing Hydroxyl or Halogen | ||
(31.02)where (A+ B++)6 (XO4) Zq�x(H2O) | |||
(31.02.03)Dana Group | |||
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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 | |||
Other Zincaluminite Information |
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NAME( Dana8) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990) | ||
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Links to other databases for Zincaluminite : 1 - Am. Min. Crystal Structure Database 2 - Athena 3 - EUROmin Project 4 - Ecole des Mines de Paris 5 - GeoScienceWorld 6 - Google Images 7 - Google Scholar 8 - Handbook of Mineralogy (MinSocAm) 9 - Handbook of Mineralogy (UofA) 10 - MinDAT 11 - Mineralienatlas (Deutsch) 12 - Online Mineral Museum 13 - QUT Mineral Atlas 14 - Ruff.Info Search for Zincaluminite using: Visit our Advertisers for Zincaluminite : Ask about Zincaluminite here : Print or Cut-and-Paste your Zincaluminite Specimen Label here :
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