Fassinaite
A valid IMA mineral species
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About Fassinaite
Formula:
Pb2(S2O3)(CO3)
Colour:
Colourless, white
Lustre:
Adamantine
Hardness:
1½ - 2
Specific Gravity:
6.084 (Calculated)
Crystal System:
Orthorhombic
Name:
Named after Bruno Fassina (b. 1943) Italian mineral collector, who discovered the mineral at the Trentini mine in 2009.
One of a relatively small group of thiosulphate minerals.
May be visually similar to elongate anglesite.
May be visually similar to elongate anglesite.
Unique Identifiers
Mindat ID:
40169
Long-form identifier:
mindat:1:1:40169:4
GUID
(UUID V4):
(UUID V4):
bbe6072f-b1f6-498b-967d-be9575e7ba5e
IMA Classification of Fassinaite
Approved
IMA Formula:
Pb2(CO3)(S2O3)
Approval year:
2011
First published:
2011
Classification of Fassinaite
7.JA.15
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 IMAâCNMNC approved mineral symbols (abbreviations) for each mineral species, useful for tables and diagrams.
| Symbol | Source | Reference |
|---|---|---|
| Fas | IMAâCNMNC | Warr, L.N. (2021). IMAâCNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43 |
Physical Properties of Fassinaite
Adamantine
Transparency:
Transparent, Translucent
Colour:
Colourless, white
Streak:
White
Hardness:
1½ - 2 on Mohs scale
Hardness Data:
Estimated
Tenacity:
Brittle
Cleavage:
None Observed
Fracture:
Irregular/Uneven
Density:
6.084 g/cm3 (Calculated)
Chemistry of Fassinaite
Mindat Formula:
Pb2(S2O3)(CO3)
Elements listed:
Crystallography of Fassinaite
Crystal System:
Orthorhombic
Class (H-M):
mmm (2/m 2/m 2/m) - Dipyramidal
Space Group:
Pnma
Cell Parameters:
a = 16.343(1) Å, b = 8.760(2) Å, c = 4.592(3) Å
Ratio:
a:b:c = 1.866 : 1 : 0.524
Unit Cell V:
657.4 Ă
Âł
Z:
2
Morphology:
The crystals are acicular to prismatic [010], with a flattened diamond-shaped cross-section. The Austrian crystals are sufficiently well developed to allow determination of some of the crystal forms: the prism {101} is large and dominant, with a flat chisel-shaped {hk0} termination, possibly {110}. Small faces which are possibly {011} are rarely present. Further forms are minute and difficult to measure as they are commonly rounded.
Twinning:
None observed.
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) |
|---|---|---|---|---|---|---|---|
| 0018571 | Fassinaite | Bindi L, Nestola F, Kolitsch U, Guastoni A, Zorzi F (2011) Fassinaite, Pb22+(S2O3)(CO3), the first mineral with coexisting thiosulphate and carbonate groups: description and crystal structure Mineralogical Magazine 75 2721-2732 | 2011 | Trentini mine, Mount Naro, Vicenza Province, Veneto, Italy | 0 | 293 | |
| 0018572 | Fassinaite | Bindi L, Nestola F, Kolitsch U, Guastoni A, Zorzi F (2011) Fassinaite, Pb22+(S2O3)(CO3), the first mineral with coexisting thiosulphate and carbonate groups: description and crystal structure Mineralogical Magazine 75 2721-2732 | 2011 | Erasmus adit, Schwarzleo District, Leogang, Salzburg, Austria | 0 | 293 | |
| 0018573 | Fassinaite | Bindi L, Nestola F, Kolitsch U, Guastoni A, Zorzi F (2011) Fassinaite, Pb22+(S2O3)(CO3), the first mineral with coexisting thiosulphate and carbonate groups: description and crystal structure Baden-Wurttemberg, Germany Mineralogical Magazine 75 2721-2732 | 2011 | Friedrich-Christian mine, Schapbach, Black Forest, | 0 | 293 |
CIF Raw Data - click here to close
X-Ray Powder Diffraction
Powder Diffraction Data:
| d-spacing | Intensity |
|---|---|
| 4.410 Ă | (39) |
| 4.381 Ă | (59) |
| 4.080 Ă | (64) |
| 3.504 Ă | (75) |
| 3.108 Ă | (100) |
| 2.986 Ă | (82) |
| 2.952 Ă | (49) |
| 2.736 Ă | (60) |
Geological Environment
Paragenetic Mode(s):
| Paragenetic Mode | Earliest Age (Ga) |
|---|---|
| Stage 7: Great Oxidation Event | <2.4 |
| 47b : [Sulfates and sulfites] | |
| 47c : [Carbonates, phosphates, borates, nitrates] | |
| 47h : [Near-surface oxidized, dehydrated minerals] | |
| Stage 10b: Anthropogenic minerals | <10 Ka |
| 56 : Slag and smelter minerals (see also #51 and #55) |
Type Occurrence of Fassinaite
General Appearance of Type Material:
Radiating aggregates of acicular, colourless crystals up to 0.2 mm long.
Place of Conservation of Type Material:
Museum of Mineralogy of the Department of Geosciences at
the University of Padova, Italy, under catalogue number MMP M10008.
the University of Padova, Italy, under catalogue number MMP M10008.
Geological Setting of Type Material:
The mineralization is linked to Mid-Triassic calc-alkaline magmatism. Hydrothermal fluids related to volcanism deposited sulphides, baryte and Fe- and Mn-bearing minerals at the boundary between Ladinic volcanites and limestone
of the Mount Spitz Formation. Supergene minerals including sulphates, carbonates and arsenates of Zn, Pb and Cu are very common.
Reference:
Bindi, L., Nestola, F., Kolitsch, U., Guastoni, A. & Zorzi, F. (2011) Fassinaite, Pb2+2(S2O3)(CO3), the first mineral with coexisting thiosulphate and carbonate groups: description and crystal structure. Mineralogical Magazine: 75: 2721-2732.
Synonyms of Fassinaite
Other Language Names for Fassinaite
German:Fassinait
Common Associates
Associated Minerals Based on Photo Data:
| 10 photos of Fassinaite associated with Galena | PbS |
| 7 photos of Fassinaite associated with Sulphur | S8 |
| 7 photos of Fassinaite associated with Anglesite | PbSO4 |
| 5 photos of Fassinaite associated with Cerussite | PbCO3 |
| 4 photos of Fassinaite associated with Scotlandite | PbSO3 |
| 4 photos of Fassinaite associated with Susannite | Pb4(CO3)2(SO4)(OH)2 |
| 4 photos of Fassinaite associated with Leadhillite | Pb4(CO3)2(SO4)(OH)2 |
| 2 photos of Fassinaite associated with Sphalerite | ZnS |
| 1 photo of Fassinaite associated with Phosgenite | Pb2CO3Cl2 |
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.05 | Sidpietersite | Pb2+4(S2O3)O2(OH)2 |
| 7.JA.10 | Steverustite | Pb2+5(OH)5[Cu+(S6+O3S2-)3](H2O)2 |
| 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 Fassinaite
mindat.org URL:
https://www.mindat.org/min-40169.html
Please feel free to link to this page.
Please feel free to link to this page.
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References for Fassinaite
Reference List:
Williams, P. A., Hatert, F., Pasero, M., Mills, S. J. (2011) New minerals and nomenclature modifications approved in 2011, CNMNC Newsletter No. 10. Mineralogical Magazine, 75 (5) 2549-2561 doi:10.1180/minmag.2011.075.5.2549
Localities for Fassinaite
symbol to view information about a locality.
The Locality List
- This locality has map coordinates listed.
- This locality has estimated coordinates.
â - 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.
Austria | |
| Kolitsch et al. (2013) |
| abstract in CD of Abstracts +2 other references |
| Bindi et al. (2011) +1 other reference | |
| Kolitsch et al. (2012) | |
France | |
| Georges FAVREAU collection & EDX ... |
Germany | |
| abstract in CD of Abstracts +3 other references |
Greece | |
| Rieck et al. (2022) |
Italy | |
| Bortolozzi G.M. et al. (2022) |
| Zordan et al. (2012) |
| Boscardin et al. (2014) | |
| Pegoraro (2012) | |
| abstract in Plinius 37 +3 other references |
Norway | |
| Husdal (2019) |
| Kristiansen (2022) |
Portugal | |
| Pedro Alves collection and analytical ... |
Spain | |
| Gunnar Färber sales list April 2014 |
UK | |
| S. Rust collection. |
| Steve Rust collection (SXRD-analysed by Uwe Kolitsch) |
USA | |
| Travis Olds collection |
| A. Kampf or C. Emproto PXRD and/EDS ... |
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Redmond Mine, Waterville Lake, Haywood County, North Carolina, USA