Mindat Logo
Home Page Log In Message Board The Mindat Directory
Register Search Pages Mineral Chatroom The Mindat Store

Peretaite

This page is currently not sponsored. Click here to sponsor this page.
Big Photo

Pereta Mine, Pereta, Scansano, Grosseto Province, Tuscany, Italy
© Marco Barsanti

Show Peretaite Photos (50)



Formula:
Ca(SbO)
 
4
(SO
 
4
)
 
2
(OH)
 
2
 · 2H
 
2
O
System:MonoclinicColour:Colourless
Hardness:3½ - 4
Name:From the type locality.
This page provides mineralogical data about Peretaite.

Classification of Peretaite

IMA status:Approved 1979
Strunz 8th edition ID:6/D.12-10
Nickel-Strunz 10th (pending) edition ID: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
Dana 8th edition ID:31.6.4.1

31 : HYDRATED SULFATES CONTAINING HYDROXYL OR HALOGEN
6 : (AB)5(XO4)2Zq·xH2O
Hey's CIM Ref.:25.8.3

25 : Sulphates
8 : Sulphates of Sb, V, Cr and U
mindat.org URL:http://www.mindat.org/min-3159.html
Please feel free to link to this page.

Type Occurrence of Peretaite

Type Locality:Pereta Mine, Pereta, Scansano, Grosseto Province, Tuscany, Italy
Place of Conservation of Type Material:Smithsonian Museum, Washington DC 148481, 148482
Year of Discovery:1980

Occurrences of Peretaite

Geological Setting:Formed by the action of sulfuric acid on oxidizing stibnite deposits.

Physical Properties of Peretaite

Lustre: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}
Density (calculated):4.06 g/cm3
Comment:Measured > 3.8

Crystallography of Peretaite

Crystal System:Monoclinic
Class (H-M):2/m - Prismatic
Space Group:B2/b {B1 1 2/b} {C2/c} {C1 2/c 1}
Cell Parameters:a = 24.665(4) Å, b = 5.6006(9) Å, c = 10.185(1) Å
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}

Optical Data of Peretaite

Type:Biaxial (+)
RI values: nα = 1.841(1) nγ = 1.935(1)
Maximum Birefringence:δ = 0.094

Chart 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
(SO
 
4
)
 
2
(OH)
 
2
 · 2H
 
2
O
Essential elements:Ca, H, O, S, Sb
All elements listed in formula:Ca, H, O, S, Sb

Relationship of Peretaite to other Species

Related Minerals - Nickel-Strunz Grouping):

- +
7.DF.05Uklonskovite
NaMg(SO
 
4
)F · 2H
 
2
O
7.DF.10Kainite
KMg(SO
 
4
)Cl · 3H
 
2
O
7.DF.15Natrochalcite
NaCu
 
2
(SO
 
4
)
 
2
(OH) · 2H
 
2
O
7.DF.20Metasideronatrite
Na
 
4
Fe
 
2
(SO
 
4
)
 
4
(OH)
 
2
 · 2H
 
2
O
7.DF.20Sideronatrite
Na
 
2
Fe(SO
 
4
)
 
2
(OH) · 3H
 
2
O
7.DF.25Despujolsite
Ca
 
3
Mn
4+
 
(SO
 
4
)
 
2
(OH)
 
6
 · 3H
 
2
O
7.DF.25Fleischerite
Pb
 
3
Ge(SO
 
4
)
 
2
(OH)
 
6
 · 3H
 
2
O
7.DF.25Schaurteite
Ca
 
3
Ge(SO
 
4
)
 
2
(OH)
 
6
 · 4H
 
2
O
7.DF.25Mallestigite
Pb
 
3
Sb
5+
 
(SO
 
4
)(AsO
 
4
)(OH)
 
6
 · 3H
 
2
O
7.DF.30Slavíkite
(H
 
3
O
+
 
)
 
3
Mg
 
6
Fe
 
15
(SO
 
4
)
 
21
(OH)
 
18
 · 99H
 
2
O
7.DF.35Metavoltine
Na
 
6
K
 
2
FeFe
 
6
(SO
 
4
)
 
12
O
 
2
 · 18H
 
2
O
7.DF.40Lannonite
HCa
 
4
Mg
 
2
Al
 
4
(SO
 
4
)
 
8
F
 
9
 · 32H
 
2
O
7.DF.40Vlodavetsite
AlCa
 
2
(SO
 
4
)
 
2
F
 
2
Cl · 4H
 
2
O
7.DF.50Gordaite
NaZn
 
4
(SO
 
4
)(OH)
 
6
Cl · 6H
 
2
O
7.DF.55Clairite
(NH
 
4
)
 
2
Fe
 
3
(SO
 
4
)
 
4
(OH)
 
3
 · 3H
 
2
O
7.DF.60Arzrunite
Cu
 
4
Pb
 
2
(SO
 
4
)(OH)
 
4
Cl
 
6
 · 2H
 
2
O (?)
7.DF.65Elyite
Pb
 
4
Cu(SO
 
4
)O
 
2
(OH)
 
4
 · H
 
2
O
7.DF.70Yecoraite
Fe
3+
3
Bi
 
5
(Te
6+
 
O
 
4
)
 
2
(Te
4+
 
O
 
3
)O
 
9
 · 9H
 
2
O
7.DF.75Riomarinaite
Bi(SO
 
4
)(OH) · H
 
2
O
7.DF.80Dukeite
Bi
3+
24
Cr
6+
8
O
 
57
(OH)
 
6
 · 3H
 
2
O
7.DF.85Xocolatlite
Ca
 
2
Mn
4+
2
(Te
6+
 
O
 
6
)
 
2
 · H
 
2
O
Related Minerals - Hey's Index Grouping:

- +
25.8.1Klebelsbergite
(SbO)
 
4
(SO
 
4
)(OH)
 
2
25.8.2Coquandite
(SbO)
 
6
(SO
 
4
)O
 
2
 · H
 
2
O
25.8.4Cannonite
Bi
 
2
(SO
 
4
)O(OH)
 
2
25.8.5Minasragrite
(V
4+
 
O)(SO
 
4
) · 5H
 
2
O
25.8.6Stanleyite
(V
4+
 
O)(SO
 
4
) · 6H
 
2
O
25.8.7Redingtonite
(Fe
2+
 
,Mg,Ni)(Cr,Al)
 
2
(SO
 
4
)
 
4
·22H
 
2
O
25.8.8Meta-uranopilite
(UO
 
2
)
 
6
(SO
 
4
)(OH)
 
10
 · 5H
 
2
O
25.8.9Uranopilite
(UO
 
2
)
 
6
(SO
 
4
)O
 
2
(OH)
 
6
 · 14H
 
2
O
25.8.10Natrozippeite
Na
 
4
(UO
 
2
)
 
6
(SO
 
4
)
 
3
(OH)
 
10
 · 4H
 
2
O
25.8.11Zippeite
K
 
4
(UO
 
2
)
 
6
(SO
 
4
)
 
3
(OH)
 
10
 · 4H
 
2
O
25.8.12Johannite
Cu(UO
 
2
)
 
2
(SO
 
4
)
 
2
(OH)
 
2
 · 8H
 
2
O
25.8.13Magnesiozippeite
Mg(UO
 
2
)
 
2
(SO
 
4
)(OH)
 
4
 · 1.5H
 
2
O
25.8.14Zinczippeite
Zn
 
2
(UO
 
2
)
 
6
(SO
 
4
)
 
3
(OH)
 
10
 · 16H
 
2
O

Other Names for Peretaite

Synonyms:
IMA1979-068
Other Languages:
German:Peretait
Russian:Перетаит
Spanish:Peretaita

Other Information

Health Warning: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.

Internet Links for Peretaite

Search Engines:
  • Look for Peretaite on Google
  • Look for Peretaite images on Google
    • External Links:
  • Look for Peretaite on Webmineral
  • Look for Peretaite on Athena Mineralogy
  • Look for Peretaite on Mineralien Atlas
  • Raman and XRD data at RRUFF project
  • American Mineralogist Crystal Structure Database
  • Peretaite details from Handbook of Mineralogy (PDF)
    • Mineral Dealers:
  • Pricedownminerals.com - Reverse Auctions and Shop
  • Search for Peretaite from all mineral dealers at minfind.com
  • The Arkenstone - Fine Minerals
  • webminerals
  • Buy fine minerals and gemstones from Pala International
  • By minerals from YourMineralCollection
  • High-end worldwide specimens & outstanding customer service
  • Find Peretaite on www.crystalclassics.co.uk
  • Wilensky Fine Minerals
  • Buy from David K Joyce minerals
  • Fabre Minerals - search for Peretaite specimens
  • Top quality minerals from Kristalle of California
    • Specimens:The following Peretaite specimens are currently listed for sale on minfind.com.
    Jobs:
  • Mining & Geology Jobs

    • Localities for Peretaite

    The map shows a selection of localities that have latitude and longitude coordinates recorded. Click on the symbol to view information about a locality. The symbol next to localities in the list can be used to jump to that position on the map.
    Hide Locality List
    (TL) indicates type locality. ? 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.
    Italy
     
    • Tuscany
      • Grosseto Province
        • Scansano
          • Pereta
    		Cipriani, et al (1980); Am.Min.:65:936(1980); Min.Rec.:15 (1): 19-26.
      • Pisa Province
        • Pomarance
    		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.
      • Siena Province
        • Chiusdino
    		Mineralogical Record, 15 (1), 27-36.
    Luxembourg
     
    • Goesdorf commune
      • Goesdorf
    		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)]
    Mineral and/or Locality
    Search Google
     
    Copyright © Jolyon Ralph and Ida Chau 1993-2011. Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them. Further information contact the Site hosted & developed by Jolyon Ralph. Mindat.org is an online information resource dedicated to providing free mineralogical information to all. Mindat relies on the contributions of hundreds of members and supporters. Mindat does not offer minerals for sale. If you would like to add information to improve the quality of our database, then click here to register.
    Current server date and time: 17th Aug 2011 18:06:53
    Mineral and Locality Search
    Mineral:
    and/or Locality:
    Options
    Fade toolbar when not in focusFix toolbar to bottom of page
    Hide Social Media Links
    Slideshow frame delay seconds
    Updated Mineral Entry: BykovaiteFrom Van King, 17th Feb 2012 19:50:20