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Panethite

Formula:
(Na,Ca)
 
2
(Mg,Fe
2+
 
)
 
2
[PO
 
4
]
 
2
System:Monoclinic
This page provides mineralogical data about Panethite.

Classification of Panethite

IMA status:Approved 1966
Strunz 8th edition ID:7/A.05-30
Nickel-Strunz 10th (pending) edition ID:8.AC.65

8 : PHOSPHATES, ARSENATES, VANADATES
A : Phosphates, etc. without additional anions, without H2O
C : With medium-sized and large cations
Dana 7th edition ID:38.1.6.1
Dana 8th edition ID:38.1.6.1

38 : ANHYDROUS NORMAL PHOSPHATES, ARSENATES, AND VANADATES
1 : ABXO4
Hey's CIM Ref.:19.3.21

19 : Phosphates
3 : Phosphates of Be and Mg
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Type Occurrence of Panethite

Type Locality:Dayton meteorite, Montgomery Co., Ohio, USA
Year of Discovery:1967

Crystallography of Panethite

Crystal System:Monoclinic
Cell Parameters:a = 10.22Å, b = 14.71Å, c = 26.25Å
β = 91.53°
Ratio:a:b:c = 0.695 : 1 : 1.785
Unit Cell Volume:V 3,944.92 ų (Calculated from Unit Cell)

Optical Data of Panethite

Type:Biaxial (-)
RI values: nα = 1.567 nβ = 1.576 nγ = 1.579
2V:Measured: 51° , Calculated: 58°
Maximum Birefringence:δ = 0.012

Chart shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration.
Surface Relief:Low
Dispersion:r > v strong
Pleochroism:Strong

Chemical Properties of Panethite

Formula:
(Na,Ca)
 
2
(Mg,Fe
2+
 
)
 
2
[PO
 
4
]
 
2
Essential elements:Mg, Na, O, P
All elements listed in formula:Ca, Fe, Mg, Na, O, P

Relationship of Panethite to other Species

Related Minerals - Nickel-Strunz Grouping):

- +
8.AC.05Howardevansite
NaCuFe
 
2
(VO
 
4
)
 
3
8.AC.10Alluaudite
(Na,Ca)Mn
2+
 
(Fe
3+
 
,Mn
2+
 
,Fe
2+
 
,Mg)
 
2
(PO
 
4
)
 
3
8.AC.10Arseniopleite
NaCaMn
2+
 
(Mn
2+
 
,Mg)
 
2
(AsO
 
4
)
 
3
8.AC.10Caryinite
(Na,Pb)(Ca,Na)(Ca,Mn
2+
 
)(Mn
2+
 
,Mg,Fe
3+
 
)
 
2
[AsO
 
4
]
 
3
8.AC.10Ferroalluaudite
(Na,Ca)Fe
2+
 
(Fe
3+
 
,Mn
2+
 
,Fe
2+
 
)
 
2
(PO
 
4
)
 
3
8.AC.10Hagendorfite
NaCaMn
2+
 
Fe
2+
2
(PO
 
4
)
 
3
8.AC.10Johillerite
Na(Mg,Zn)
 
3
Cu[AsO
 
4
]
 
3
8.AC.10Maghagendorfite
NaMn(Mg,Fe,Fe)
 
3
(PO
 
4
)
 
3
8.AC.10Nickenichite
Na
 
0.8
Ca
 
0.4
Cu
 
0.4
(Mg,Fe)
 
3
(AsO
 
4
)
 
3
8.AC.10Varulite
NaCaMn
2+
 
Mn
2+
2
(PO
 
4
)
 
3
8.AC.10Ferrohagendorfite
NaCaFe
2+
 
Fe
2+
2
(PO
 
4
)
 
3
8.AC.10Bradaczekite
NaCu
 
4
(AsO
 
4
)
 
3
8.AC.10Yazganite
NaFe
3+
2
(Mg,Mn
2+
 
)[AsO
 
4
]
 
3
 · H
 
2
O
8.AC.10IMA2008-054
NaCaMn
 
2
(PO
 
4
)[PO
 
3
(OH)]
 
2
8.AC.10IMA2008-064
Na
 
16
Mn
2+
 
 
25
Al
 
8
(PO
 
4
)
 
30
8.AC.15Bobfergusonite
Na
 
2
Mn
 
5
FeAl(PO
 
4
)
 
6
8.AC.15Ferrowyllieite
(Na,Ca,Mn)(Fe,Mn)(Fe,Fe,Mg)Al(PO
 
4
)
 
3
8.AC.15Qingheiite
NaMn
3+
 
Mg(Al,Fe
3+
 
)[PO
 
4
]
 
3
8.AC.15Rosemaryite
(Na,Ca,Mn)(Mn,Fe
2+
 
)(Fe
3+
 
,Mg)Al(PO
 
4
)
 
3
8.AC.15Wyllieite
(Na,Ca,Mn)(Mn,Fe)(Fe,Mg)Al(PO
 
4
)
 
3
8.AC.15Ferrorosemaryite
[]NaFe
2+
 
Fe
3+
 
Al(PO
 
4
)
 
3
8.AC.20Marićite
NaFe
2+
 
[PO
 
4
]
8.AC.25Berzeliite
NaCa
 
2
(Mg,Mn
2+
 
)
 
2
[AsO
 
4
]
 
3
8.AC.25Manganberzeliite
(Ca,Na)
 
3
(Mn
2+
 
,Mg)
 
2
[AsO
 
4
]
 
3
8.AC.25Palenzonaite
(Ca,Na)
 
3
CaMn
2+
2
[VO
 
4
]
 
3
8.AC.25Schäferite
Ca
 
2
NaMg
 
2
[VO
 
4
]
 
3
8.AC.30Brianite
Na
 
2
CaMg[PO
 
4
]
 
2
8.AC.35Vitusite-(Ce)
Na
 
3
(Ce,La,Nd)(PO
 
4
)
 
2
8.AC.40Olgite
Ba(NaSr)
 
2
Na[PO
 
4
]
 
2
8.AC.40Bario-olgite
Ba(Na,Sr,REE)
 
2
Na[PO
 
4
]
 
2
8.AC.45Strontiowhitlockite
Sr
 
9
Mg[PO
 
4
]
 
6
[HPO
 
4
]
8.AC.45Whitlockite
Ca
 
9
Mg[PO
 
3
OH][PO
 
4
]
 
6
8.AC.45Merrillite
Ca
 
18
Na
 
2
Mg
2+
2
[PO
 
4
]
 
14
8.AC.45Tuite
Ca
 
3
[PO
 
4
]
 
2
8.AC.45Ferromerrillite
Ca
 
9
Fe
2+
 
Na[PO
 
4
]
 
7
8.AC.45Bobdownsite
Ca
 
9
Mg(PO
 
3
F)(PO
 
4
)
 
6
8.AC.50Chladniite
{Ca}{Na
 
8
}{Ca
 
4
Na
 
4
}{(Mg,Fe
2+
 
)
 
43
}[PO
 
4
]
 
36
8.AC.50Fillowite
{Mn
2+
 
}{Na
 
8
}{Ca
 
4
Na
 
4
}{(Mn
2+
 
,Fe
2+
 
)
 
43
}[PO
 
4
]
 
36
8.AC.50Johnsomervilleite
{Ca}{Na
 
6
[ ]
 
2
}{Ca
 
6
Na
 
2
}{(Fe
2+
 
,Mg,Mn
2+
 
)
 
43
}[PO
 
4
]
 
36
8.AC.50Galileiite
{Fe
2+
 
}{Na
 
8
}{Fe
2+
4
Na
 
4
}{Fe
2+
43
}[PO
 
4
]
 
36
8.AC.50Stornesite-(Y)
{(Y, Ca)}{Na
 
6
[ ]
 
2
}{(Ca,Na)
 
8
}{(Mg,Fe
2+
 
)
 
43
}[PO
 
4
]
 
36
8.AC.50Xenophyllite
Na
 
4
Fe
2+
7
[PO
 
4
]
 
6
8.AC.55Harrisonite
Ca(Fe
2+
 
,Mg)
 
6
[PO
 
4
|SiO
 
4
]
 
2
8.AC.60Kosnarite
KZr
 
2
(PO
 
4
)
 
3
8.AC.70Stanfieldite
Ca
 
7
Ca
 
2
Mg
 
9
[PO
 
4
]
 
12
8.AC.75Ronneburgite
K
 
2
MnV
 
4
O
 
12
8.AC.80Tillmannsite
(Ag
 
3
Hg)[(VO
 
4
, AsO
 
4
)]
8.AC.85Filatovite
K[(Al,Zn)
 
2
(As,Si)
 
2
O
 
8
]
Related Minerals - Hey's Index Grouping:

- +
19.3.1Moraesite
Be
 
2
[OH|PO
 
4
] · 4H
 
2
O
19.3.2Beryllonite
NaBe[PO
 
4
]
19.3.3Hurlbutite
CaBe
 
2
[PO
 
4
]
 
2
19.3.4Hydroxylherderite
CaBe[(OH,F)|PO
 
4
]
19.3.5Glucine
CaBe
 
4
[(OH)
 
2
|PO
 
4
]
 
2
 · 0.5H
 
2
O
19.3.6Fransoletite
Ca
 
3
Be
 
2
[HPO
 
4
|PO
 
4
]
 
2
 · 4H
 
2
O
19.3.7Uralolite
Ca
 
2
Be
 
4
[OH|PO
 
4
]
 
3
 · 5H
 
2
O
19.3.9Pahasapaite
Li
 
8
(Ca,Li,K)
 
10.5
Be
 
24
(PO
 
4
)
 
24
·38H
 
2
O
19.3.10Tiptopite
K
 
2
(Na,Ca)
 
2
Li
 
3
Be
 
6
[OH|(PO
 
4
)
 
3
]
 
2
 · H
 
2
O
19.3.11Gainesite
Na(Na,K)(Be,Li)Zr
 
2
[PO
 
4
]
 
4
 · 1.5-2H
 
2
O
19.3.12Roscherite
Ca
 
2
(Mn
2+
 
,Fe
2+
 
)
 
5
Be
 
4
[(OH)
 
4
|(PO
 
4
)
 
6
] · 6H
 
2
O
19.3.13Faheyite
(Mn,Mg,Na)Be
 
2
Fe
 
2
(PO
 
4
)
 
4
·6H
 
2
O
19.3.14Farringtonite
Mg
 
3
[PO
 
4
]
 
2
19.3.15Holtedahlite
Mg
 
2
[OH|PO
 
4
]
19.3.16Althausite
Mg
 
2
[(OH,F)|PO
 
4
]
19.3.17Newberyite
MgHPO
 
4
·3H
 
2
O
19.3.18Phosphorrösslerite
MgHPO
 
4
·7H
 
2
O
19.3.19Bobierrite
Mg
 
3
(PO
 
4
)
 
2
·8H
 
2
O
19.3.20Barićite
(Mg,Fe)
 
3
(PO
 
4
)
 
2
·8H
 
2
O
19.3.22Dittmarite
NH
 
4
MgPO
 
4
·H
 
2
O
19.3.23Struvite
NH
 
4
MgPO
 
4
·6H
 
2
O
19.3.24Hannayite
(NH
 
4
)
 
2
Mg
 
3
H
 
4
(PO
 
4
)
 
4
·8H
 
2
O

Other Names for Panethite

Synonyms:
IMA1966-035
Other Languages:
German:Panethit
Spanish:Panethita

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 Panethite

Reference List:Fuchs, L. H., Olsen, E. and Henderson, E. P. (1967): Occurrence of brianite and panethite, two new phosphate minerals from the Dayton meteorite. Geochim. Cosmochim. Acta: 31: 1711-1719.

American Mineralogist (1968): 53: 509.

Internet Links for Panethite

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    Localities for Panethite

    Hide Locality List
    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.
    (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.
    India
     
    • Uttar Pradesh
    		Johnson, Craig L., Dante S. Lauretta, and Peter R. Buseck (____) Panethite-Bearing Assemblage in the Bishunpur LL3.1 Ordinary Chondrite: Possible Alteration Product. Lunar and Planetary Science XXXI (2093.pdf).
    USA
     
    • Ohio
      • Montgomery Co.
    		AM 53 (1968), 509; Geoch. Cosmoch. Acta 31 (1967), 1711; HB4 (2000)
    Mineral and/or Locality
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    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: 14th Nov 2009 05:12:20