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Stetindite

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Stetind, Tysfjord, Nordland, Norway

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Formula:
Ce
4+
 
SiO
 
4
System:TetragonalColour:pale yellow to colourless
Member of:Zircon Group
Name:Named for the type locality


Zircon Group.

Classification of Stetindite

IMA status:Approved 2008
Nickel-Strunz 10th (pending) edition ID:9.AD.30

9 : SILICATES (Germanates)
A : Nesosilicates
D : Nesosilicates without additional anions; cations in [6] and/or greater coordination
Dana 8th edition ID:51.5.2.6

51 : NESOSILICATES Insular SiO4 Groups Only
5 : Insular SiO4 Groups Only with cations in >[6] coordination
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Type Occurrence of Stetindite

Type Locality:Stetind, Tysfjord, Nordland, Norway
General Appearance of Type Material:diverging aggregates of acicular crystals up to 1.5 mm in length and 0.05 mm in thickness.
Geological Setting of type material:In cavities in elongated to sheet formed masses of yttrian fluorite wich occurs along a narrow zone in a granite pegmatite.
Associated Minerals at type locality:
Törnebohmite-(Ce)Törnebohmite-(Ce)QuartzKozoite-(Nd)Hundholmenite-(Y)
HematiteFluoriteCalcioancylite-(Nd)Bastnäsite

Physical Properties of Stetindite

Lustre:Adamantine
Diaphaneity (Transparency):Transparent
Colour:pale yellow to colourless
Streak:White
Tenacity:Brittle
Fracture:Irregular/Uneven
Density (calculated):5.03 g/cm3

Crystallography of Stetindite

Crystal System:Tetragonal
Class (H-M):4/mmm (4/m 2/m 2/m) - Ditetragonal Dipyramidal
Space Group:I41/amd {I41/a 2/m 2/d}
Cell Parameters:a = 6.9746(7) Å, c = 6.2055(8) Å
Ratio:a:c = 1 : 0.89
Unit Cell Volume:V 301.87 ų
Z:4
Morphology:tetragonal prism {100} or {110}, pinacoid {001} , an unidentified dipyramid (very rare)
X-Ray Powder Diffraction:
d-spacingIntensity
4.321 (58)
3.487 (100)
2.787 (21)
2.626 (68)
2.466 (19)
2.177 (24)
1.847 (21)
1.798 (61)

Optical Data of Stetindite

Type:Uniaxial (+)

Chemical Properties of Stetindite

Formula:
Ce
4+
 
SiO
 
4
Essential elements:Ce, O, Si
All elements listed in formula:Ce, O, Si

Relationship of Stetindite to other Species

Member of:Zircon Group
Other Members of Group:

- +
Hafnon
HfSiO
 
4
Thorite
(Th,U)SiO
 
4
Thorogummite
(Th,U)(SiO
 
4
)
 
1-x
(OH)
 
4-x
Zircon
ZrSiO
 
4
Related Minerals - Nickel-Strunz Grouping):

- +
9.AD.05Larnite
Ca
 
2
SiO
 
4
9.AD.10Calcio-Olivine
Ca
 
2
SiO
 
4
9.AD.15Merwinite
Ca
 
3
Mg(SiO
 
4
)
 
2
9.AD.20Bredigite
Ca
 
7
Mg(SiO
 
4
)
 
4
9.AD.25Andradite
Ca
 
3
Fe
3+
2
(SiO
 
4
)
 
3
9.AD.25Almandine
Fe
2+
3
Al
 
2
(SiO
 
4
)
 
3
9.AD.25Calderite
(Mn
2+
 
,Ca)
 
3
(Fe
3+
 
,Al)
 
2
(SiO
 
4
)
 
3
9.AD.25Goldmanite
Ca
 
3
V
3+
2
(SiO
 
4
)
 
3
9.AD.25Grossular
Ca
 
3
Al
 
2
(SiO
 
4
)
 
3
9.AD.25Henritermierite
Ca
 
3
(Mn
3+
 
,Al)
 
2
(SiO
 
4
)
 
2
(OH)
 
4
9.AD.25Hibschite
Ca
 
3
Al
 
2
(SiO
 
4
)
 
3-x
(OH)
 
4x
9.AD.25Hydroandradite
Ca
 
3
Fe
3+
2
(SiO
 
4
)
 
3-x
(OH)
 
4x
9.AD.25Katoite
Ca
 
3
Al
 
2
(SiO
 
4
)
 
3-x
(OH)
 
4x
9.AD.25Kimzeyite
Ca
 
3
(Zr,Ti)
 
2
((Si,Al,Fe
3+
 
)O
 
4
)
 
3
9.AD.25Knorringite
Mg
 
3
Cr
 
2
(SiO
 
4
)
 
3
9.AD.25Majorite
Mg
 
3
(Fe
2+
 
,Si,Al)
 
2
(SiO
 
4
)
 
3
9.AD.25Morimotoite
Ca
 
3
(Ti,Fe
2+
 
,Fe
3+
 
)
 
2
((Si,Fe
3+
 
)O
 
4
)
 
3
9.AD.25Pyrope
Mg
 
3
Al
 
2
(SiO
 
4
)
 
3
9.AD.25Schorlomite
Ca
 
3
(Ti,Fe
3+
 
)
 
2
((Si,Fe
3+
 
)O
 
4
)
 
3
9.AD.25Spessartine
Mn
2+
3
Al
 
2
(SiO
 
4
)
 
3
9.AD.25Uvarovite
Ca
 
3
Cr
 
2
(SiO
 
4
)
 
3
9.AD.25Wadalite
(Ca,Mg)
 
6
(Al,Fe
3+
 
)
 
4
((Si,Al)O
 
4
)
 
3
O
 
4
Cl
 
3
9.AD.25Holtstamite
Ca
 
3
(Al,Mn
3+
 
)
 
2
(SiO
 
4
)
 
2
(OH)
 
4
9.AD.25Kerimasite
Ca
 
3
Zr
 
2
(SiO
 
4
)(Fe
3+
 
O
 
4
)
 
2
9.AD.25Toturite
Ca
 
3
Sn
 
2
(SiO
 
4
)(Fe
3+
 
O
 
4
)
 
2
9.AD.25Momoiite
(Mn
2+
 
,Ca)
 
3
V
3+
2
(SiO
 
4
)
 
3
9.AD.30Coffinite
(U
4+
 
,Th)(SiO
 
4
)
 
1-x
(OH)
 
4x
9.AD.30Hafnon
HfSiO
 
4
9.AD.30Thorite
(Th,U)SiO
 
4
9.AD.30Thorogummite
(Th,U)(SiO
 
4
)
 
1-x
(OH)
 
4-x
9.AD.30Zircon
ZrSiO
 
4
9.AD.35Huttonite
ThSiO
 
4
9.AD.35Tombarthite-(Y)
Y
 
4
(Si,H
 
4
)
 
4
O
 
12-x
(OH)
 
4+2x
9.AD.40Eulytine
Bi
 
4
(SiO
 
4
)
 
3
9.AD.45Reidite
ZrSiO
 
4

Other Names for Stetindite

Synonyms:
IMA2008-035
Other Languages:

Other Information

Fluorescence in UV light:none
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 Stetindite

Reference List:

- +
Schulter, J., T. Malcherek, T.A.Husdal (2009): The new mineral stetindite, CeSiO4, a cerium end-member of the zircon group. Neues Jahrbuch fur Mineralogie - Abhandlungen, 186(2), 195-200.

Internet Links for Stetindite

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    • Localities for Stetindite

    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.
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    (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.
    Norway
     
    • Nordland
      • Tysfjord
    		Schlüter, J., Malcherek, T., Husdal, T. A. (2009): The new mineral stetindite, CeSiO4, a cerium end-member of the zircon group. Neues Jahrbuch fur Mineralogie - Abhandlungen, 186(2), 195-200.; Folvik, H. O. (2009): Stetinditt- et nytt mineral fra Norge. Stein 36 (4): 34
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