Hexathioplumbite
A valid IMA mineral species
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About Hexathioplumbite
Formula:
[Pb2+4(OH)4]Pb2+(S6+O3S2-)3
Lustre:
Adamantine
Hardness:
2½
Specific Gravity:
5.531 (Calculated)
Crystal System:
Hexagonal
Name:
The name hexathioplumbite is based on this being a hexagonal thiosulfate of lead (latin plumbum). It is dimorphous with cubothioplumbite, a cubic thiosulfate of lead.
Dimorph of:
Also compare redmondite and hydroredmondite - another Pb thiosulfate minerals from the same site.
Co-described with the other polymorph - cubothioplumbite.
Structure of both is based on cubane-like [Pb4(OH)4]4+ units.
Co-described with the other polymorph - cubothioplumbite.
Structure of both is based on cubane-like [Pb4(OH)4]4+ units.
Unique Identifiers
Mindat ID:
55763
Long-form identifier:
mindat:1:1:55763:8
Classification of Hexathioplumbite
The cubane-like Pb4(OH)4 unit
The Pb4(OH)4 motif found in hexathioplumbite. This structural unit is also found in, for example, cubothioplumbite and nitroplumbite.
IMA Classification of Hexathioplumbite
Approved
Approval year:
2021
Approval history:
for the (hexagonal) structure, and the chemical components (thiosulfate and lead = plumbum), to distinguish from the cubic-structured cubothioplumbite
7.JA.
7 : SULFATES (selenates, tellurates, chromates, molybdates, wolframates)
J : Thiosulfates
A : Thiosulfates of Pb
7 : SULFATES (selenates, tellurates, chromates, molybdates, wolframates)
J : Thiosulfates
A : Thiosulfates of Pb
Mineral Symbols
As of 2021 there are now IMA–CNMNC approved mineral symbols (abbreviations) for each mineral species, useful for tables and diagrams.
| Symbol | Source | Reference for Standard |
|---|---|---|
| Htpb | IMA–CNMNC | Warr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43 |
Physical Properties of Hexathioplumbite
Adamantine
Streak:
White
Hardness:
2½ on Mohs scale
Tenacity:
Brittle
Cleavage:
None Observed
Comment:
curved fracture
Density:
5.531 g/cm3 (Calculated)
Optical Data of Hexathioplumbite
Type:
Uniaxial (-)
Chemistry of Hexathioplumbite
Mindat Formula:
[Pb2+4(OH)4]Pb2+(S6+O3S2-)3
Element Weights:
Elements listed:
Crystallography of Hexathioplumbite
Crystal System:
Hexagonal
Class (H-M):
6 - Pyramidal
Space Group:
P63
Cell Parameters:
a = 10.721(1) Å, c = 8.6541(6) Å
Ratio:
a:c = 1 : 0.807
Unit Cell V:
861.44 ų (Calculated from Unit Cell)
Crystal Structure
Load
Unit Cell | Unit Cell Packed
2x2x2 | 3x3x3 | 4x4x4
Unit Cell | Unit Cell Packed
2x2x2 | 3x3x3 | 4x4x4
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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) |
|---|---|---|---|---|---|---|---|
| M12014 | Hexathioplumbite | Kampf, Anthony R.; Smith, Jason B.; Hughes, John M.; Ma, Chi; Emproto, Christopher (2023) New Minerals from the Redmond Mine, North Carolina, USA: II. Cubothioplumbite and Hexathioplumbite, Two New Minerals Containing the Cubane-Like [Pb4(OH)4]4+ Structural Unit. The Canadian Journal of Mineralogy and Petrology, 61 (3). 623-633 doi:10.3749/220 | 2023 | Redmond Mine, North Carolina, USA | 0 | 293 |
CIF Raw Data - click here to close
X-Ray Powder Diffraction
Powder Diffraction Data:
| d-spacing | Intensity |
|---|---|
| 6.32 Å | (67) |
| 3.511 Å | (100) |
| 3.359 Å | (70) |
| 3.249 Å | (86) |
| 2.733 Å | (77) |
| 2.536 Å | (89) |
| 2.476 Å | (43) |
| 1.837 Å | (52) |
Type Occurrence of Hexathioplumbite
General Appearance of Type Material:
prisms, to ca. 1 mm
Place of Conservation of Type Material:
mineralogical collections of the Natural History Museum of Los Angeles County, 900 Exposition Boulevard, Los Angeles, CA 90007, USA, catalogue numbers 76187, 76188 and 76189
Geological Setting of Type Material:
"highly unusual secondary assemblage that comprises a variety of rare Pb-Zn-Cu sulfates, thiosulfates, and carbonates"
Synonyms of Hexathioplumbite
Other Language Names for Hexathioplumbite
Dutch:Hexathioplumbiet
German:Hexathioplumbit
Common Associates
Associations Based on Photo Data:
| 1 photo of Hexathioplumbite associated with Cubothioplumbite | [Pb4(OH)4]Pb(S2O3)3 |
Related Minerals - Strunz-mindat Grouping
| 7.JA. | Hayelasdiite | [Pb4O1.5(OH)2.5]2[Cu+5(S2O3)4(S2O2OH)2(H2O)] · 4H2O |
| 7.JA. | Boojumite | Pb8O4(OH)2(S2O3)3 |
| 7.JA. | Finescreekite | [Pb4(OH)4](S2O3)2 |
| 7.JA. | Boevskite | Pb4(TeO3)2(SO4)(S2O3) |
| 7.JA. | Redmondite | [Pb8O2Zn(OH)6](S2O3)4 |
| 7.JA. | Hydroredmondite | [Pb8O2Zn(OH)6](S2O3)4 · 2H2O |
| 7.JA. | Dinilawiite | [Pb4OAl(OH)6]2(S2O3)2 · (S2O3)(H2O)5 |
| 7.JA. | Sulfatoredmondite | [Pb8O2Zn(OH)6](SO4)4 · 6H2O |
| 7.JA. | Cubothioplumbite | [Pb4(OH)4]Pb(S2O3)3 |
| 7.JA.05 | Sidpietersite | Pb2+4(S2O3)O2(OH)2 |
| 7.JA.10 | Steverustite | Pb2+5(OH)5[Cu+(S6+O3S2-)3](H2O)2 |
| 7.JA.15 | Fassinaite | Pb2(S2O3)(CO3) |
| 7.JA.20 | Northstarite | Pb6(Te4+O3)5(S6+O3S2-) |
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 Hexathioplumbite
mindat.org URL:
https://www.mindat.org/min-55763.html
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References for Hexathioplumbite
Reference List:
Miyawaki, Ritsuro, Hatert, Frédéric, Pasero, Marco, Mills, Stuart J. (2022) IMA Commission on New Minerals, Nomenclature and Classification (CNMNC) – Newsletter 65. European Journal of Mineralogy, 34 (1) 143-148 doi:10.5194/ejm-34-143-2022
Kampf, Anthony R.; Smith, Jason B.; Hughes, John M.; Ma, Chi; Emproto, Christopher (2023) New Minerals from the Redmond Mine, North Carolina, USA: II. Cubothioplumbite and Hexathioplumbite, Two New Minerals Containing the Cubane-Like [Pb4(OH)4]4+ Structural Unit. The Canadian Journal of Mineralogy and Petrology, 61 (3). 623-633 doi:10.3749/2200070
Localities for Hexathioplumbite
Showing 1 localities.
symbol to view information about a locality.
The 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.
USA (TL) | |
| Miyawaki et al. (2022) |
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Redmond Mine, Waterville Lake, Haywood County, North Carolina, USA