Steverustite
A valid IMA mineral species
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About Steverustite
Formula:
Pb2+5(OH)5[Cu+(S6+O3S2-)3](H2O)2
Colour:
Colorless, white
Lustre:
Vitreous
Specific Gravity:
5.150 (Calculated)
Crystal System:
Monoclinic
Name:
Named in honor of Stephen Andrew Rust (b. 23 August 1952, Bushy, Hertfordshire, UK), a long-time collector of UK minerals. He discovered it.
One of a relatively small group of thiosulphate minerals.
Visually similar to Unnamed (Pb Silicate).
Visually similar to Unnamed (Pb Silicate).
Unique Identifiers
Mindat ID:
38699
Long-form identifier:
mindat:1:1:38699:7
GUID
(UUID V4):
(UUID V4):
7c1fd12e-cdb5-4466-bf1a-4495e03f55d4
IMA Classification of Steverustite
Approved
IMA Formula:
Pb2+5(OH)5[Cu1+(S6+O3S2-)3](H2O)2
Approval year:
2008
First published:
2009
Classification of Steverustite
7.JA.10
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
30.4.4.
30 : ANHYDROUS SULFATES CONTAINING HYDROXYL OR HALOGEN
4 : Miscellaneous
30 : ANHYDROUS SULFATES CONTAINING HYDROXYL OR HALOGEN
4 : Miscellaneous
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 |
---|---|---|
Svr | 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 Steverustite
Vitreous
Transparency:
Transparent
Colour:
Colorless, white
Streak:
White
Tenacity:
Brittle
Cleavage:
None Observed
Crystals were too small to observe cleavage.
Crystals were too small to observe cleavage.
Fracture:
Splintery
Density:
5.150 g/cm3 (Calculated)
Chemistry of Steverustite
Mindat Formula:
Pb2+5(OH)5[Cu+(S6+O3S2-)3](H2O)2
Crystallography of Steverustite
Crystal System:
Monoclinic
Class (H-M):
2/m - Prismatic
Space Group:
P21/m
Cell Parameters:
a = 12.5631 Å, b = 8.8963 Å, c = 18.0132 Å
β = 96.459°
β = 96.459°
Ratio:
a:b:c = 1.412 : 1 : 2.025
Unit Cell V:
2,000.47 ų (Calculated from Unit Cell)
Morphology:
Fibrous to acicular or lath-like. Elongated along [010], and bounded by small (h0l) faces.
Crystal Structure
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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) |
---|---|---|---|---|---|---|---|
0014592 | Steverustite | Cooper M A, Hawthorne F C, Moffatt E (2009) Steverustite, Pb5(OH)5[Cu(SO3S)3](H2O)2, a new thiosulphate mineral from the Frongoch mine dump, Devils Bridge, Ceredigion, Wales: description and crystal structure Mineralogical Magazine 73 235-250 | 2009 | Frongoch mine dump, Devils Bridge, Ceredigion, Wales | 0 | 293 |
CIF Raw Data - click here to close
X-Ray Powder Diffraction
Powder Diffraction Data:
d-spacing | Intensity |
---|---|
6.897 Å | (80) |
6.211 Å | (60) |
4.797 Å | (60) |
3.934 Å | (100) |
3.741 Å | (20) |
3.348 Å | (70) |
3.026 Å | (60) |
2.837 Å | (50) |
Geological Environment
Paragenetic Mode(s):
Paragenetic Mode | Earliest Age (Ga) |
---|---|
Stage 7: Great Oxidation Event | <2.4 |
47a : [Near-surface hydration of prior minerals] | |
47b : [Sulfates and sulfites] |
Type Occurrence of Steverustite
General Appearance of Type Material:
Fibrous fan-like bundles to 1.5 mm that occur in small cavities in quartz veins. Crystals are fibrous to acicular. Also as individual lath-like crystals to <0.75 mm long.
Place of Conservation of Type Material:
Canadian Museum of Nature, Ottawa, Ontario, Canada, CMNMC 86053.
Geological Setting of Type Material:
Supergene mineral.
Associated Minerals at Type Locality:
Synonyms of Steverustite
Common Associates
Associated Minerals Based on Photo Data:
26 photos of Steverustite associated with Susannite | Pb4(CO3)2(SO4)(OH)2 |
13 photos of Steverustite associated with Caledonite | Pb5Cu2(SO4)3(CO3)(OH)6 |
9 photos of Steverustite associated with Anglesite | PbSO4 |
6 photos of Steverustite associated with Leadhillite | Pb4(CO3)2(SO4)(OH)2 |
5 photos of Steverustite associated with Galena | PbS |
4 photos of Steverustite associated with Linarite | PbCu(SO4)(OH)2 |
3 photos of Steverustite associated with Bechererite | Zn7Cu(OH)13[(SiO(OH)3(SO4)] |
1 photo of Steverustite associated with Cerussite | PbCO3 |
1 photo of Steverustite associated with Lanarkite | Pb2(SO4)O |
1 photo of Steverustite associated with Chenite | Pb4Cu(SO4)2(OH)6 |
Related Minerals - Strunz-mindat Grouping
7.JA. | Redmondite | [Pb8O2Zn(OH)6](S2O3)4 |
7.JA. | Hydroredmondite | [Pb8O2Zn(OH)6](S2O3)4 · 2H2O |
7.JA. | Sulfatoredmondite | [Pb8O2Zn(OH)6](SO4)4 · 6H2O |
7.JA. | Cubothioplumbite | [Pb4(OH)4]Pb(S2O3)3 |
7.JA. | Hexathioplumbite | [Pb4OH4]Pb(S2O3)3 |
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. | Siligiite | [Pb(H2O)5(SO4)][Zn9(OH)18] |
7.JA.05 | Sidpietersite | Pb2+4(S2O3)O2(OH)2 |
7.JA.15 | Fassinaite | Pb2(S2O3)(CO3) |
7.JA.20 | Northstarite | Pb6(Te4+O3)5(S6+O3S2-) |
Fluorescence of Steverustite
Not fluorescent.
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 Steverustite
mindat.org URL:
https://www.mindat.org/min-38699.html
Please feel free to link to this page.
Please feel free to link to this page.
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References for Steverustite
Reference List:
Localities for Steverustite
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).
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.
All localities listed without proper references should be considered as questionable.
Germany | |
| www.mindat.org (n.d.) +1 other reference |
UK | |
| S. Rust collection |
| S. Rust collection. |
| Steve Rust collection |
S. Rust collection. | |
| Steve Rust collection |
S. Rust collection. | |
S. Rust collection | |
| S. Rust collection |
S.Rust Collection | |
| S. Rust collection |
| S. Rust collection |
| Cooper et al. (2009) +1 other reference |
| S. Rust collection |
| |
| S. Rust collection |
| S. Rust collection |
USA | |
| A. Kampf PXRD 9/2018 Jason Smith ... |
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Frongoch Mine, Pontrhydygroes, Upper Llanfihangell-y-Creuddyn, Ceredigion, Wales, UK