Peretaite
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Formula:
Ca(SbO)4(SO4)2(OH)2 · 2H2O
System:
Monoclinic
Colour:
Colourless
Lustre:
Vitreous
Hardness:
3½ - 4
Name:
From the type locality.
This page provides mineralogical data about Peretaite.
Classification of Peretaite
Approved
Approval Year:
1979
6/D.12-10
7.DF.45
7 : SULFATES (selenates, tellurates, chromates, molybdates, wolframates)
D : Sulfates (selenates, etc.) with additional anions, with H2O
F : With large and medium-sized cations
7 : SULFATES (selenates, tellurates, chromates, molybdates, wolframates)
D : Sulfates (selenates, etc.) with additional anions, with H2O
F : With large and medium-sized cations
31.6.4.1
31 : HYDRATED SULFATES CONTAINING HYDROXYL OR HALOGEN
6 : (AB)5(XO4)2Zq·xH2O
31 : HYDRATED SULFATES CONTAINING HYDROXYL OR HALOGEN
6 : (AB)5(XO4)2Zq·xH2O
25.8.3
25 : Sulphates
8 : Sulphates of Sb, V, Cr and U
25 : Sulphates
8 : Sulphates of Sb, V, Cr and U
Physical Properties of Peretaite
Vitreous
Diaphaneity (Transparency):
Transparent
Colour:
Colourless
Comment:
Can be pink due to encrustations of valentinite
Hardness (Mohs):
3½ - 4
Hardness (Vickers):
VHN15=170 - 190 kg/mm2
Cleavage:
Perfect
Perfect on {100}
Perfect on {100}
Density:
4.06 g/cm3 (Calculated)
Comment:
Measured > 3.8
Optical Data of Peretaite
Type:
Biaxial (+)
RI values:
nα = 1.841(1) nγ = 1.935(1)
Max Birefringence:
δ = 0.094
Image shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration.
Surface Relief:
Moderate
Dispersion:
relatively strong
Comments:
Beta not determined. 2V is very large
Chemical Properties of Peretaite
Formula:
Ca(SbO)4(SO4)2(OH)2 · 2H2O
IMA Formula:
CaSb43+O4(SO4)2(OH)2 · 2H2O
Crystallography of Peretaite
Crystal System:
Monoclinic
Class (H-M):
2/m - Prismatic
Space Group:
B2/b
Cell Parameters:
a = 24.665(4) Å, b = 5.6006(9) Å, c = 10.185(1) Å
β = 95.98(1)°
β = 95.98(1)°
Ratio:
a:b:c = 4.404 : 1 : 1.819
Unit Cell Volume:
V 1,399.29 ų (Calculated from Unit Cell)
Z:
4
Morphology:
Divergent sprays of laths, botyroidal, massive.
Twinning:
Very common on {100}
Occurrences of Peretaite
Type Occurrence of Peretaite
Place of Conservation of Type Material:
Smithsonian Museum, Washington DC 148481, 148482
Relationship of Peretaite to other Species
| 7.DF.05 | Uklonskovite | NaMg(SO4)F · 2H2O |
| 7.DF.10 | Kainite | KMg(SO4)Cl · 3H2O |
| 7.DF.15 | Natrochalcite | NaCu2(SO4)2(OH) · 2H2O |
| 7.DF.20 | Metasideronatrite | Na2Fe(SO4)2(OH) · H2O |
| 7.DF.20 | Sideronatrite | Na2Fe(SO4)2(OH) · 3H2O |
| 7.DF.25 | Despujolsite | Ca3Mn4+(SO4)2(OH)6 · 3H2O |
| 7.DF.25 | Fleischerite | Pb3Ge(SO4)2(OH)6 · 3H2O |
| 7.DF.25 | Schaurteite | Ca3Ge(SO4)2(OH)6 · 4H2O |
| 7.DF.25 | Mallestigite | Pb3Sb5+(SO4)(AsO4)(OH)6 · 3H2O |
| 7.DF.30 | Slavíkite | (H3O+)3Mg6Fe15(SO4)21(OH)18 · 98H2O |
| 7.DF.35 | Metavoltine | Na6K2FeFe6(SO4)12O2 · 18H2O |
| 7.DF.40 | Lannonite | Mg2Ca4Al4(SO4)8F8 · 24H2O |
| 7.DF.40 | Vlodavetsite | AlCa2(SO4)2F2Cl · 4H2O |
| 7.DF.50 | Gordaite | NaZn4(SO4)(OH)6Cl · 6H2O |
| 7.DF.55 | Clairite | (NH4)2Fe3(SO4)4(OH)3 · 3H2O |
| 7.DF.60 | Arzrunite | Cu4Pb2(SO4)(OH)4Cl6 · 2H2O (?) |
| 7.DF.65 | Elyite | Pb4Cu(SO4)O2(OH)4 · H2O |
| 7.DF.70 | Yecoraite | Fe33+Bi5(Te6+O4)2(Te4+O3)O9 · 9H2O |
| 7.DF.75 | Riomarinaite | Bi(SO4)(OH) · H2O |
| 7.DF.80 | Dukeite | Bi243+Cr86+O57(OH)6 · 3H2O |
| 7.DF.85 | Xocolatlite | Ca2Mn24+(Te6+O6)2 · H2O |
| 25.8.1 | Klebelsbergite | Sb4O4(SO4)(OH)2 |
| 25.8.2 | Coquandite | Sb6+xO8+x(SO4)(OH)x(H2O)1- x (x = 0.3) |
| 25.8.4 | Cannonite | Bi2(SO4)O(OH)2 |
| 25.8.5 | Minasragrite | (V4+O)(SO4) · 5H2O |
| 25.8.6 | Stanleyite | (V4+O)(SO4) · 6H2O |
| 25.8.7 | Redingtonite | (Fe2+,Mg,Ni)(Cr,Al)2(SO4)4·22H2O |
| 25.8.8 | Metauranopilite | (UO2)6(SO4)(OH)10 · 5H2O |
| 25.8.9 | Uranopilite | (UO2)6(SO4)O2(OH)6 · 14H2O |
| 25.8.10 | Natrozippeite | Na5(UO2)8(SO4)4O5(OH)3 · 12H2O |
| 25.8.11 | Zippeite | K3(UO2)4(SO4)2O3(OH) · 3H2O |
| 25.8.12 | Johannite | Cu(UO2)2(SO4)2(OH)2 · 8H2O |
| 25.8.13 | Magnesiozippeite | Mg(UO2)2(SO4)O2 · 3.5H2O |
| 25.8.14 | Zinczippeite | Zn(UO2)2(SO4)O2 · 3.5H2O |
Other Names for Peretaite
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.
References for Peretaite
Reference List:
American Mineralogist (1980): 65: 930-939.
American Mineralogist (1980): 65: 940-946.
American Mineralogist (1980): 65: 940-946.
Internet Links for Peretaite
mindat.org URL:
https://www.mindat.org/min-3159.html
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Specimens:
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Localities for Peretaite
This map shows a selection of localities that have latitude and longitude coordinates recorded. Click on the 
symbol to view information about a locality.
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(TL) indicates type locality for a valid mineral species. (FRL) indicates first recorded locality for everything else. ? indicates mineral may be doubtful at this locality. All other localities listed without reference should be considered as uncertain and unproven until references can be found.
Greece | |
| Skarpelis, N. and Argyraki, A. (2009): The geology and origin of supergene ores in Lavrion (Attica, Greece). Resource Geology, 59, 1-14. |
Italy (TL) | |
| Cipriani, et al (1980); Am.Min.:65:936(1980); Min.Rec.:15 (1): 19-26. |
| Nannoni R., Capperi M., 1985. I minerali della "Sorgente Solfurea" di Micciano (PI). Quad. Mus. Storia Nat. Livorno, 6: 11-25.; Duchi G. (1983) - Il deposito antimonifero di Micciano(Comune di Pomarance, Pisa)- Atti Società Toscana di Scienze Naturali - Memorie, serie A, 90, pp. 141-163; Bardi, T., Biagioni, C., & Orlandi, P. (2009). Aggiornamento sui minerali della Sorgente Solfurea di Micciano (Pomarance, Pisa, Toscana). MICRO (località), 1/2009, 261-276. |
| Mineralogical Record, 15 (1), 27-36.; Menchetti, S., Batoni, M., Batacchi, C., Borselli, G., Brogi, A., Ceccantini, L., Fassina, B., Marchesini, M., Rossellini, A. & Ruggieri, G. (2015): Le Cetine di Cotorniano. Miniera e minerali. Associazione Micro-Mineralogica Italiana, Cremona, 354 p. |
Luxembourg | |
| Simon Philippo analysis (to be published); [Filella M., Philippo S., Belzile N., Chen Y. and Quentel F. (2009) Natural attenuation processes applying to antimony: A study in the abandoned antimony mine in Goesdorf, Luxembourg - Science of the total environment (in press)] |
Slovakia | |
| Majzlan J., Števko M., Lánczoš T. (2016): Soluble secondary minerals of antimony in Pezinok and Kremnica (Slovakia) and the question of mobility or immobility of antimony in mine waters. Environmental Chemistry, 13, 6, 927-935. |
Pereta Mine, Pereta, Scansano, Grosseto Province, Tuscany, Italy