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UM1985-07-OH:AlCuSZn

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Formula:
[(Zn,Cu)2Al(OH)6][(SO4)0.5 · 3H2O]
actually more like [(Zn,Cu)2Al(OH)6][(H3O,Na)0.4(SO4,CO3)0.7.3H2O]
Crystal System:
Hexagonal
Corresponds to "specimen H858" (alleged cotype specimen of glaucocerinite). Compositionally close to zincowoodwardite but differs in terms of the unit cell.

It has a cation-ordered pyroaurite-like structure.


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Chemical Properties of UM1985-07-OH:AlCuSZnHide

Formula:
[(Zn,Cu)2Al(OH)6][(SO4)0.5 · 3H2O]

actually more like [(Zn,Cu)2Al(OH)6][(H3O,Na)0.4(SO4,CO3)0.7.3H2O]
Idealised Formula:
(Zn,Cu)4Al2(SO4)(OH)12 · 6H2O

Crystallography of UM1985-07-OH:AlCuSZnHide

Crystal System:
Hexagonal
Class (H-M):
6/mmm (6/m 2/m 2/m) - Dihexagonal Dipyramidal
Space Group:
P63/mmc
Setting:
P63/mmc
Cell Parameters:
a = 5.306(2) Å, c = 26.77(2) Å
Ratio:
a:c = 1 : 5.045
Unit Cell V:
652.9 ų
Comment:
Space group uncertain

X-Ray Powder DiffractionHide

Powder Diffraction Data:
d-spacingIntensity
8.9Å(100)
4.47Å(90)
2.55Å(60)
2.28Å(50)
2.65Å(30)
1.98Å(30)
1.53Å(30)
1.51Å(30)
2.98Å(20)
1.70Å(20)
1.48Å(20)
1.45Å(20)
Comments:
similar to data for woodwardite

Other InformationHide

Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

References for UM1985-07-OH:AlCuSZnHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Raade, G., Elliott, C.J., Din, V.K. (1985): New Data on Glaucocerinite. Mineralogical Magazine: 49: 583-590
Smith, D.G.W., Nickel, E.H. (2007): A System of Codification for Unnamed Minerals: Report of the SubCommittee for Unnamed Minerals of the IMA Commission on New Minerals, Nomenclature and Classification. Canadian Mineralogist: 45: 983-1055; http://nrmima.nrm.se (2016)

Internet Links for UM1985-07-OH:AlCuSZnHide

Localities for UM1985-07-OH:AlCuSZnHide

ⓘ - Click for further information on this occurrence. ? - Indicates mineral may be doubtful at this locality. - Good crystals or important locality for species. - World class for species or very significant. (TL) - Type Locality for a valid mineral species. (FRL) - First Recorded Locality for everything else (eg varieties). Struck out - Mineral was erroneously reported from this locality. Faded * - Never found at this locality but inferred to have existed at some point in the past (eg from pseudomorphs.)

All localities listed without proper references should be considered as questionable.
Greece
 
  • Attica
    • East Attica
      • Lavreotiki
Raade, G., Elliott, C.J., Din, V.K. (1985): New Data on Glaucocerinite. Mineralogical Magazine: 49: 583-590
 
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