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Unnamed (Basic Zinc Sulphate Hydrate)

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02366430017271929546136.jpg
Unnamed (Basic Zinc Sulphate Hydrate)

Eaglebrook Mine, Tal-y-bont, Ceulanymaesmawr, Ceredigion, Wales, UK
02366430017271929546136.jpg
Unnamed (Basic Zinc Sulphate Hydrate)

Eaglebrook Mine, Tal-y-bont, Ceulanymaesmawr, Ceredigion, Wales, UK
02366430017271929546136.jpg
Unnamed (Basic Zinc Sulphate Hydrate)

Eaglebrook Mine, Tal-y-bont, Ceulanymaesmawr, Ceredigion, Wales, UK
Hide all sections | Show all sections

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.


Unique IdentifiersHide

Mindat ID:
10800
Long-form identifier:
mindat:1:1:10800:7

Physical Properties of Unnamed (Basic Zinc Sulphate Hydrate)Hide

Colour:
Very pale sea green

Chemistry of Unnamed (Basic Zinc Sulphate Hydrate)Hide

Mindat Formula:
Zn4SO4(OH)6 · 4H2O
Element Weights:
Element% weight
Zn49.187 %
O42.128 %
S6.031 %
H2.654 %

Calculated from ideal end-member formula.
Elements listed:
H, O, S, Zn - search for minerals with similar chemistry

X-Ray Powder DiffractionHide

Powder Diffraction Data:
d-spacingIntensity
10.00 Å(100)
8.50 Å(6)
7.40 Å(10)
5.91 Å(12)
5.11 Å(10)
4.19 Å(40)
3.83 Å(10)
3.28 Å(12)
3.11 Å(10)
2.75 Å(90)
2.65 Å(35)
2.53 Å(14)
2.45 Å(10)
2.41 Å(20)
2.16 Å(16)
2.09 Å(10)
1.58 Å(50)
1.56 Å(14)
1.36 Å(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

References for Unnamed (Basic Zinc Sulphate Hydrate)Hide

Reference List:

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 references and 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 (e.g. from pseudomorphs).

All localities listed without proper references should be considered as questionable.
Germany
 
  • North Rhine-Westphalia
    • Arnsberg
      • MÃĪrkischer Kreis
        • Iserlohn
          • Letmathe
            • Helmke quarry nature reserve
Bender et al. (1994)
UK
 
  • Wales
    • Ceredigion
      • Ceulanymaesmawr
        • Tal-y-bont
Nat Hist London XRD file X4588F
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