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Unnamed (Basic Zinc Sulphate Hydrate)

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About Unnamed (Basic Zinc Sulphate Hydrate)Hide

Formula:
Zn4SO4(OH)6 · 4H2O
Colour:
Very pale sea green
The PXRD pattern of this unnamed mineral matches that of the synthetic compound Zn4SO4(OH)6.4H2O given on ICDD-JCPDS card 9-204. It is closely related to namuwite.

Compare also osakaite and lahnsteinite.


Physical Properties of Unnamed (Basic Zinc Sulphate Hydrate)Hide

Colour:
Very pale sea green

Chemical Properties of Unnamed (Basic Zinc Sulphate Hydrate)Hide

Formula:
Zn4SO4(OH)6 · 4H2O

X-Ray Powder DiffractionHide

Powder Diffraction Data:
d-spacingIntensity
10.00 (100)
8.50 (6)
7.40 (10)
5.91 (12)
5.11 (10)
4.19 (40)
3.83 (10)
3.28 (12)
3.11 (10)
2.75 (90)
2.65 (35)
2.53 (14)
2.45 (10)
2.41 (20)
2.16 (16)
2.09 (10)
1.58 (50)
1.56 (14)
1.36 (14)
Comments:
From unindexed ICDD-JCPDS card 9-204 (see also card 35-528 for namuwite which has a = 8.29, c = 10.50 A; Bevins et al. 1982).

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.

Internet Links for Unnamed (Basic Zinc Sulphate Hydrate)Hide

Localities for Unnamed (Basic Zinc Sulphate Hydrate)Hide

This map shows a selection of localities that have latitude and longitude coordinates recorded. Click on the symbol to view information about a locality. The symbol next to localities in the list can be used to jump to that position on the map.

Locality ListHide

- This locality has map coordinates listed. - This locality has estimated coordinates. ⓘ - 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.
Germany
 
  • North Rhine-Westphalia
    • Sauerland
      • Iserlohn
        • Letmathe
Bender, D. and Krimmelbein, W. (1994) Aktuelle Übersicht: Mineralien der Zinkhütte Genna/Sauerland. Stand Juni 1994. Mineralien-Welt, 4/94, 10.
UK
 
  • Wales
    • Ceredigion
      • Ceulanymaesmawr
        • Talybont
          • Nant-y-Moch Reservoir area
Nat Hist London XRD file X4588F
Mineral and/or Locality  
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