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

Stornesite-(Y)

Formula:
{(Y, Ca)}{Na
 
6
[ ]
 
2
}{(Ca,Na)
 
8
}{(Mg,Fe
2+
 
)
 
43
}[PO
 
4
]
 
36
System:TrigonalColour:Pale yellow (in standard ...
Name:For the Stornes Peninsula, where the type locality is situated, and for Yttrium being the dominant REE element in its composition.


Y-dominant analogue of Chladniite, Fillowite Group

Classification of Stornesite-(Y)

IMA status:Approved 2005
Strunz 8th edition ID:7/A.08-25
Nickel-Strunz 10th (pending) edition ID:8.AC.50

8 : PHOSPHATES, ARSENATES, VANADATES
A : Phosphates, etc. without additional anions, without H2O
C : With medium-sized and large cations
Dana 7th edition ID:38.2.9.5
mindat.org URL:http://www.mindat.org/min-28918.html
Please feel free to link to this page.

Type Occurrence of Stornesite-(Y)

Type Locality:Johnston Firth, Stornes Peninsula, Larsemann Hills (Larseman Hills), Prydz Bay, Ingrid Christensen Coast, Princess Elizabeth Land, Eastern Antarctica, Antarctica
General Appearance of Type Material:anhedral to subhedral, locally euhedral grains with hexagonal or rhombic outlines, up to 1 × 0.25 mm in dimension
Geological Setting of type material:consituent of fluorapatite nodules included in paragneiss
Associated Minerals at type locality:
Xenotime-(Y)WagneriteSillimaniteQuartzPyrite
Monazite-(Ce)K FeldsparApatite-(CaF)Biotite

Physical Properties of Stornesite-(Y)

Colour:Pale yellow (in standard thin sections)
Density (calculated):3.196 g/cm3

Crystallography of Stornesite-(Y)

Crystal System:Trigonal
Class (H-M):3 - Rhombohedral
Space Group:R3
Cell Parameters:a = 14.9628Å, c = 42.756Å
Ratio:a:c = 1 : 2.857
Unit Cell Volume:V 8290 ų
Z:3
X-Ray Powder Diffraction:
d-spacingIntensity
3.67 (40)
3.52 (40)
2.94 (60)
2.73 (100)
Comments:Format: d/Å (I/%) (hkl)

Optical Data of Stornesite-(Y)

Type:Uniaxial (+)
RI values: nω = 1.622 nε = 1.625
Maximum Birefringence:δ = 0.004

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

Chemical Properties of Stornesite-(Y)

Formula:
{(Y, Ca)}{Na
 
6
[ ]
 
2
}{(Ca,Na)
 
8
}{(Mg,Fe
2+
 
)
 
43
}[PO
 
4
]
 
36
All elements listed in formula:Ca, Fe, Mg, Na, O, P, Y
Analytical Data:Data from electron microprobe analysis
Empirical formula based on 36 phosphate ions per formula unit
SiO2 (0.02)
P2O5 (48.11)
SO3 (0.05)
MgO (23.16)
MnO (0.24)
FeO (15.55)
Na2O (5.04)
CaO (5.66)
SrO (0.02)
Y2O3 (1.43)
Yb2O3 (0.24)
UO2 (0.01)

Sum = 99.53 wt%
Empirical Formula:
Y
 
0.68
Yb
 
0.06
Na
 
8.69
Ca
 
5.40
Sr
 
0.01
Mg
 
30.71
Fe
 
11.56
Mn
 
0.18
Si
 
0.02
S
 
0.04
P
 
36.22
O
 
144

Relationship of Stornesite-(Y) 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.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.65Panethite
(Na,Ca)
 
2
(Mg,Fe
2+
 
)
 
2
[PO
 
4
]
 
2
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 - Dana Grouping):

- +
38.2.9.1Fillowite
{Mn
2+
 
}{Na
 
8
}{Ca
 
4
Na
 
4
}{(Mn
2+
 
,Fe
2+
 
)
 
43
}[PO
 
4
]
 
36
38.2.9.2Johnsomervilleite
{Ca}{Na
 
6
[ ]
 
2
}{Ca
 
6
Na
 
2
}{(Fe
2+
 
,Mg,Mn
2+
 
)
 
43
}[PO
 
4
]
 
36
38.2.9.3Chladniite
{Ca}{Na
 
8
}{Ca
 
4
Na
 
4
}{(Mg,Fe
2+
 
)
 
43
}[PO
 
4
]
 
36
38.2.9.4Galileiite
{Fe
2+
 
}{Na
 
8
}{Fe
2+
4
Na
 
4
}{Fe
2+
43
}[PO
 
4
]
 
36
38.2.9.6Xenophyllite
Na
 
4
Fe
2+
7
[PO
 
4
]
 
6

Other Names for Stornesite-(Y)

Synonyms:
IMA2005-040
Other Languages:
German:Stornesit-(Y)

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 Stornesite-(Y)

Reference List:Grew, E., Armbruster, Th., Medenbach, O., Yates, M.G., Carson, C.J. (2006): Stornesite-(Y), (Y,Ca)[]2Na6(Ca,Na)8(Mg,Fe)43(PO4)36, the first terrestrial Mg-dominant member of the fillowite group, from granulite-facies paragneiss in the Larsemann Hills, Prydz Bay, East Antarctica. American Mineralogist, 91, 1412-1424.

Internet Links for Stornesite-(Y)

Search Engines:
  • Look for Stornesite-(Y) on Google
  • Look for Stornesite-(Y) images on Google
    • External Links:
  • Look for Stornesite-(Y) on Webmineral
  • Look for Stornesite-(Y) on Athena Mineralogy
  • Look for Stornesite-(Y) on Wikipedia
  • Look for Stornesite-(Y) on Mineralien Atlas
  • Raman and XRD data at RRUFF project
  • American Mineralogist Crystal Structure Database
  • Search for Stornesite-(Y) in the Natural History Museum (London) online catalogue
    • Mineral Dealers:
  • Edwards Minerals - Fine Specimens
  • Fabre Minerals - search for Stornesite-(Y) specimens
  • Fine Minerals from Dan Weinrich Minerals
  • Mineral Classics - Worldwide Collector Quality Minerals and Gems
  • Wendel Minerals - Auktion & Shop
  • High-end worldwide specimens & outstanding customer service
  • Lapis Mineral Magazin
  • Buy fine minerals and gemstones from Pala International
  • SpiriferMinerals.com - high quality specimens
  • Top quality minerals from Kristalle of California
  • Buy Fine Minerals from mineralsweb.com
  • Buy minerals from Mineralium.com
    • Jobs:
  • Mining & Geology Jobs

    • Page Sponsor

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

    Localities for Stornesite-(Y)

    (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.
    Antarctica
     
    • Eastern Antarctica
      • Princess Elizabeth Land
        • Ingrid Christensen Coast
          • Prydz Bay
            • Larsemann Hills (Larseman Hills)
    		Grew, E., Armbruster, Th., Medenbach, O., Yates, M.G., Carson, C.J. (2006): Stornesite-(Y), (Y,Ca)[]2Na6(Ca,Na)8(Mg,Fe)43(PO4)36, the first terrestrial Mg-dominant member of the fillowite group, from granulite-facies paragneiss in the Larsemann Hills, Prydz Bay, East Antarctica. American Mineralogist, 91, 1412-1424
              • Stornes Peninsula
    		Grew, E., Armbruster, Th., Medenbach, O., Yates, M.G., Carson, C.J. (2006): Stornesite-(Y), (Y,Ca)[]2Na6(Ca,Na)8(Mg,Fe)43(PO4)36, the first terrestrial Mg-dominant member of the fillowite group, from granulite-facies paragneiss in the Larsemann Hills, Prydz Bay, East Antarctica. American Mineralogist, 91, 1412-1424
    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: 13th Oct 2009 22:46:48