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Namuwite Group
A group of related mineral species
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About Namuwite Group
This page provides mineralogical data about Namuwite Group.
Unique Identifiers
Mindat ID:
470918
Long-form identifier:
mindat:1:1:470918:9
Classification of Namuwite Group
Members of the namuwite group exhibit gordaite-type sheets. Some members, such as ramsbeckite and hanahanite, exhibit slight modifications to the sheet topology.
Chemical Analysis
Empirical formulas:
| Sample ID | Empirical Formula |
|---|---|
| 1 | Pb1.36Zn11.97S3.00O43H41.33 |
| 2 | (Zn6.69Cu1.27Co0.01)Σ7.97S1.00O21H20.04 |
Sample references:
Crystal Structure
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Data courtesy of the American Mineralogist Crystal Structure Database. Click on an AMCSD ID to view structure
| ID | Species | Reference | Link | Year | Locality | Pressure (GPa) | Temp (K) |
|---|---|---|---|---|---|---|---|
| M12023 | Haywoodite | Kampf, Anthony R.; Smith, Jason B.; Hughes, John M.; Ma, Chi; Emproto, Christopher (2023) New Minerals from the Redmond Mine, North Carolina, USA: IV. Haywoodite and Hanahanite, Two New Minerals Containing Gordaite-Like Sheets. The Canadian Journal of Mineralogy and Petrology, 61 (6) 1137-1149 doi:10.3749/2300027 | 2023 | Redmond Mine, North Carolina, USA | 0 | 293 | |
| M12020 | Hanahanite | Kampf, Anthony R., Smith, Jason B., Hughes, John M., Ma, Chi, Emproto, Christopher (2023) New Minerals from the Redmond Mine, North Carolina, USA: IV. Haywoodite and Hanahanite, Two New Minerals Containing Gordaite-Like Sheets. The Canadian Journal of Mineralogy and Petrology, 61 (6) 1137-1149 doi:10.3749/2300027 | 2023 | Redmond Mine, North Carolina, USA | 0 | 293 | |
| 0020053 | Lahnsteinite | Rastsvetaeva R K, Aksenov S M, Chukanov N V, Verin I A (2012) Crystal structure of a new mineral lahnsteinite Zn4(SO4)(OH)6*3H2O Crystallography Reports 57 737-741 | 2012 | Friedrichssegen deposit, Rhineland-Palatinate, Germany | 0 | 293 | |
| 0011072 | Gordaite | Adiwidjaja G, Friese K, Klaska K H, Schluter J (1997) The crystal structure of gordaite NaZn4(SO4)(OH)6Cl*6H2O Zeitschrift fur Kristallographie 212 704-707 | ![]() | 1997 | San Francisco mine, Sierra Gorda, Chile | 0 | 293 |
| 0014821 | Ramsbeckite | Effenberger H (1988) Ramsbeckite, (Cu,Zn)15(OH)22(SO4)4*6(H2O): Revision of the chemical formula based on a structure determination Neues Jahrbuch fur Mineralogie, Monatshefte 1988 38-48 | 1988 | Bastenberg mine, Ramsbeck, Sauerland, Germany | 0 | 293 | |
| 0001950 | Bechererite | Hoffmann C, Armbruster T, Giester G (1997) The acentric structure (P3) of bechererite, Zn7Cu(OH)13[SiO(OH)3SO4] Note U(1,2) for Zn2, Zn21, and O1 changed to match symmetry constraints. American Mineralogist 82 1014-1018 | ![]() | 1997 | 0 | 293 | |
| 0001775 | Namuwite | Groat L A (1996) The crystal structure of namuwite, a mineral with Zn in tetrahedral and octahedral coordination, and its relationship to the synthetic basic zinc sulfates American Mineralogist 81 238-243 | ![]() | 1996 | 0 | 293 | |
| 0001776 | Bechererite | Giester G, Rieck B (1996) Bechererite, (Zn,Cu)6Zn2(OH)13[(S,Si)(O,OH)4]2, a novel mineral species from the Tonopah-Belmont mine, Arizonia American Mineralogist 81 244-248 | ![]() | 1996 | 0 | 293 |
CIF Raw Data - click here to close
Relationship of Namuwite Group to other Species
Namuwite Group Members:
| Bechererite | Zn7Cu(OH)13[(SiO(OH)3(SO4)] | Trig. 3 : P3 |
| Gordaite | NaZn4(SO4)(OH)6Cl · 6H2O | Trig. 3 : P3 |
| Guarinoite | Zn6(SO4)(OH)10 · 5H2O | Hex. |
| Hanahanite | [Zn8(OH)14(SO4)] · 3H2O | Hex. 6 : P63 |
| Haywoodite | [Pb(H2O)10][Zn12(OH)20(H2O)(SO4)3] | Tric. 1 : P1 |
| Hodgesmithite | (Cu,Zn)6Zn(SO4)2(OH)10 · 3H2O | Trig. 3 : P3 |
| Lahnsteinite | Zn4(SO4)(OH)6 · 3H2O | Tric. 1 : P1 |
| Namuwite | Zn4(SO4)(OH)6 · 4H2O | Trig. 3 : P3 |
| Osakaite | Zn4(SO4)(OH)6 · 5H2O | Tric. 1 : P1 |
| Ramsbeckite | (Cu,Zn)15(SO4)4(OH)22 · 6H2O | Mon. 2/m |
| Thérèsemagnanite | NaCo4(SO4)(OH)6Cl · 6H2O | Trig. 3 : P3 |
| Tzeferisite | CaZn8(SO4)2(OH)12Cl2(H2O)9 | Trig. 3m(32/m) : R3c |
Click on any node to view relationships. Formula-derived relationship network for the group members above. Use Find related species to add formula-neighbour species outside the current group view. Solid links show inferred chemical differences; dashed violet links show same-formula crystallographic differences. Hydration states are not treated as relationship changes. These relationships do not imply any real-world substitution reactions between these species.
Other Information
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 Namuwite Group
mindat.org URL:
https://www.mindat.org/min-470918.html
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References for Namuwite Group
Reference List:
Localities for Namuwite Group
Showing 277 localities.
Locality List
- 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).
All localities listed without proper references should be considered as questionable.








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The
Cap Garonne Mine, Le Pradet, Toulon, Var, Provence-Alpes-Côte d'Azur, France