Mindat Logo
Home Page Log In Message Board The Mindat Directory
Register Search Pages Chat Now! (2 online) Mindat Auctions

Petersite-(Y)

Big Photo

Laurel Hill (Snake Hill; Penetentiary Quarry), Secaucus, Hudson Co., New Jersey, USA
© JBS 2006

Show Petersite-(Y) Photos (6)
Formula:
(Y,Ce,Nd)Cu
 
6
[(OH)
 
6
|(PO
 
4
)
 
3
] · 3H
 
2
O
System:HexagonalColour:yellowish green
Hardness:3 - 4
This page provides mineralogical data about Petersite-(Y).

Classification of Petersite-(Y)

IMA status:Approved 1981
Strunz 8th edition ID:7/D.53-10
Nickel-Strunz 10th (pending) edition ID:8.DL.15

8 : PHOSPHATES, ARSENATES, VANADATES
D : Phosphates, etc. with additional anions, with H2O
L : With large and medium-sized cations, (OH, etc.):RO4 = 2:1
Dana 8th edition ID:42.5.2.1

42 : HYDRATED PHOSPHATES, ETC.CONTAINING HYDROXYL OR HALOGEN
5 : (AB)7(XO4)3Zq·xH2O
Hey's CIM Ref.:19.4.10

19 : Phosphates
4 : Phosphates of Ca
mindat.org URL:http://www.mindat.org/min-3175.html
Please feel free to link to this page.

Type Occurrence of Petersite-(Y)

Type Locality:Laurel Hill (Snake Hill; Penetentiary Quarry), Secaucus, Hudson Co., New Jersey, USA

Physical Properties of Petersite-(Y)

Colour:yellowish green
Streak:white
Hardness (Mohs):3 - 4
Cleavage:None Observed

Crystallography of Petersite-(Y)

Crystal System:Hexagonal

Optical Data of Petersite-(Y)

Type:Uniaxial (+)
RI values: nω = 1.666 nε = 1.747
Maximum Birefringence:δ = 0.081

Chart shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration.
Surface Relief:High

Chemical Properties of Petersite-(Y)

Formula:
(Y,Ce,Nd)Cu
 
6
[(OH)
 
6
|(PO
 
4
)
 
3
] · 3H
 
2
O
Essential elements:Ca, Cu, H, O, P
All elements listed in formula:Ce, Cu, H, Nd, O, P, Y

Relationship of Petersite-(Y) to other Species

Member of Group:
Mixite Group:
Related Minerals - Nickel-Strunz Grouping):

- +
8.DL.05Foggite
CaAl[(OH)
 
2
|PO
 
4
] · H
 
2
O
8.DL.10Cyrilovite
NaFe
3+
3
[(OH)
 
2
|PO
 
4
]
 
2
 · 2H
 
2
O
8.DL.10Millisite
(Na,K)CaAl
 
6
[(OH)
 
9
|(PO
 
4
)
 
4
] · 3H
 
2
O
8.DL.10Wardite
NaAl
 
3
[(OH)
 
2
|PO
 
4
]
 
2
 · 2H
 
2
O
8.DL.15Agardite-(Nd)
(Nd,La,Ce)Cu
 
6
[(OH)
 
6
|(AsO
 
4
)
 
3
] · 3H
 
2
O
8.DL.15Agardite-(Y)
(Y,Ca)Cu
 
6
[(OH)
 
6
|(AsO
 
4
,HAsO
 
4
)|(AsO
 
4
)
 
2
] · 3H
 
2
O
8.DL.15Agardite-(Ce)
CeCu
 
6
[(OH)
 
6
|(AsO
 
4
)
 
3
] · 3H
 
2
O
8.DL.15Agardite-(La)
(La,Ce)Cu
 
6
[(OH)
 
6
|(AsO
 
4
)
 
3
] · 3H
 
2
O
8.DL.15Goudeyite
(Al,Y)Cu
 
6
[(OH)
 
6
|(AsO
 
4
)
 
3
] · 3H
 
2
O
8.DL.15Mixite
BiCu
 
6
[(OH)
 
6
|(AsO
 
4
)
 
3
] · 3H
 
2
O
8.DL.15Zálesíite
(Ca,Y)Cu
 
6
[(OH)
 
6
|(HAsO
 
4
,AsO
 
4
)|(AsO
 
4
)
 
2
] · 3H
 
2
O
8.DL.15Plumboagardite
(Pb,REE,Ca)Cu
 
6
[(OH)
 
6
|(HAsO
 
4
,AsO
 
4
)|(AsO
 
4
)
 
2
] · 3H
 
2
O
8.DL.15Calciopetersite
CaCu
 
6
[(OH)
 
6
|HPO
 
4
|(PO
 
4
)
 
2
] · 3H
 
2
O
8.DL.20Cheremnykhite
Pb
 
3
Zn
 
3
TeO
 
6
(VO
 
4
)
 
2
8.DL.20Dugganite
Pb
 
3
Zn
 
3
(Te
6+
 
O
 
6
)(AsO
 
4
)
 
2
8.DL.20Kuksite
Pb
 
3
Zn
 
3
TeO
 
6
(PO
 
4
)
 
2
8.DL.20Wallkilldellite-(Mn)
Ca
 
2
Mn
2+
3
[(OH)
 
2
|AsO
 
4
]
 
2
 · 9H
 
2
O
8.DL.20Wallkilldellite-(Fe)
(Ca,Cu)
 
4
Fe
2+
6
[(OH,O)
 
2
|(AsO
 
4
,SiO
 
4
)]
 
4
 · 18H
 
2
O
8.DL.25Angastonite
CaMgAl
 
2
(PO
 
4
)
 
2
(OH)
 
4
·7H
 
2
O
Related Minerals - Hey's Index Grouping:

- +
19.4.1Monetite
CaHPO
 
4
19.4.2Apatite-(CaOH)
Ca
 
5
[OH|(PO
 
4
)
 
3
]
19.4.3Brushite
CaHPO
 
4
·2H
 
2
O
19.4.4Isoclasite
Ca
 
2
[OH|PO
 
4
] · 2H
 
2
O
19.4.5Buchwaldite
NaCaPO
 
4
19.4.6Canaphite
CaNa
 
2
[P
 
2
O
 
7
] ·4H
 
2
O
19.4.7Mundrabillaite
(NH
 
4
)
 
2
Ca(HPO
 
4
)
 
2
·H
 
2
O
19.4.8Whitlockite
Ca
 
9
Mg[PO
 
3
OH][PO
 
4
]
 
6
19.4.9Brianite
Na
 
2
CaMg[PO
 
4
]
 
2

Other Names for Petersite-(Y)

Synonyms:
IMA1981-064Petersite
Other Languages:
German:Petersit
Spanish:Petersita

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 Petersite-(Y)

Reference List:Peacor, D. R. & Dunn, P. J. (1982): Petersite, a REE and phosphate analog of mixite. American Mineralogst: 67: 1039-1042.

Olmi, F., Sabelli, C., Trosti Ferroni, R. (1991): A contribution to the crystal chemistry of mixite group minerals from Sardinia (Italy). Neues Jahrbuch für Mineralogie, Monatshefte, 1991, 487-499.

Internet Links for Petersite-(Y)

Search Engines:
  • Look for Petersite-(Y) on Google
  • Look for Petersite-(Y) images on Google
    • External Links:
  • Look for Petersite-(Y) on Webmineral
  • Look for Petersite-(Y) on Athena Mineralogy
  • Look for Petersite-(Y) on Wikipedia
  • Look for Petersite-(Y) on Mineralien Atlas
  • Raman and XRD data at RRUFF project
  • American Mineralogist Crystal Structure Database
  • Search for Petersite-(Y) in the Natural History Museum (London) online catalogue
  • Petersite-(Y) details from Handbook of Mineralogy (PDF)
    • Mineral Dealers:
  • Lapis Mineral Magazin
  • Buy minerals from Mineralium.com
  • Edwards Minerals - Fine Specimens
  • DAKOTA MATRIX offers Cabinet and Rare Species from Worldwide Localities.
  • Search for - Petersite-(Y) - on e-Rocks Mineral Sales & Auctions
  • Find Petersite-(Y) on www.crystalclassics.co.uk
  • Buy Fine Minerals from mineralsweb.com
  • Buy from David K Joyce minerals
  • Fine Minerals from Dan Weinrich Minerals
  • rare and unusual minerals mainly crystallized
  • Buy fine minerals and gemstones from Pala International
  • Wilensky Fine Minerals
    • Jobs:
  • Mining & Geology Jobs

    • Page Sponsor

    Sponsorship:This page is currently not sponsored. Click here to sponsor this page.

    Localities for Petersite-(Y)

    Show Locality List (7 Items)
    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.
    Mineral and/or Locality
    Google
     
    www.mindat.org Web
    Copyright © Jolyon Ralph and Ida Chau 1993-2009. 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. If you would like to add information to improve the quality of our database, then click here to register. Current server date and time: 15th Nov 2009 02:57:40