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Sveinbergeite

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09718080014961768305530.jpg
Sveinbergeite

Buer, Vesterøya, Sandefjord, Vestfold, Norway
09718080014961768305530.jpg
Sveinbergeite

Buer, Vesterøya, Sandefjord, Vestfold, Norway
05331320014948021209257.jpg
Sveinbergeite

Buer, Vesterøya, Sandefjord, Vestfold, Norway
09718080014961768305530.jpg
Sveinbergeite

Buer, Vesterøya, Sandefjord, Vestfold, Norway
09718080014961768305530.jpg
Sveinbergeite

Buer, Vesterøya, Sandefjord, Vestfold, Norway
05331320014948021209257.jpg
Sveinbergeite

Buer, Vesterøya, Sandefjord, Vestfold, Norway
09718080014961768305530.jpg
Sveinbergeite

Buer, Vesterøya, Sandefjord, Vestfold, Norway
09718080014961768305530.jpg
Sveinbergeite

Buer, Vesterøya, Sandefjord, Vestfold, Norway
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About SveinbergeiteHide

09690460014946713428844.jpg
Svein Arne Berge
Formula:
Ca(Fe2+6Fe3+)Ti2(Si4O12)2O2(OH)5(H2O)4
Colour:
Deep green
Lustre:
Vitreous, Pearly
Hardness:
3
Specific Gravity:
3.152 (Calculated)
Crystal System:
Triclinic
Name:
Named in honour of Svein Arne Berge (b. 1949), a noted Norwegian
amateur mineralogist and collector who has made a significant contribution to the mineralogy of the alkaline pegmatites in the Larvik plutonic complex, Norway and who was the first to find the mineral in 1987.
This page provides mineralogical data about Sveinbergeite.


Classification of SveinbergeiteHide

IMA status:
Approved
Approval Year:
2010
Nickel-Strunz 10th (pending) ed.:
9.DC.05

9 : SILICATES (Germanates)
D : Inosilicates
C : Inosilicates with branched 2-periodic single chains; Si2O6 + 2SiO3 Si4O12
Dana 8th ed.:
69.1.1.6

69 : INOSILICATES Chains with Side Branches or Loops
1 : Chains with Side Branches or Loops with (P=2, and N=4, 2 branches)

Physical Properties of SveinbergeiteHide

Lustre:
Vitreous, Pearly
Colour:
Deep green
Streak:
pale green
Hardness:
3 on Mohs scale
Hardness Data:
Measured
Cleavage:
Perfect
on {001}
Density:
3.152 g/cm3 (Calculated)

Optical Data of SveinbergeiteHide

Type:
Biaxial (+)
RI values:
nα = 1.745 nβ = 1.746 nγ = 1.753
2V:
Measured: 20(3)°
Max Birefringence:
δ = 0.008
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Surface Relief:
High
Pleochroism:
Visible
Comments:
Z > X ~ Y : Z is deep green, X and Y are brownish green.

Chemical Properties of SveinbergeiteHide

Formula:
Ca(Fe2+6Fe3+)Ti2(Si4O12)2O2(OH)5(H2O)4
Elements listed:
Ca, Fe, H, O, Si, Ti - search for minerals with similar chemistry

Crystallography of SveinbergeiteHide

Crystal System:
Triclinic
Class (H-M):
1 - Pinacoidal
Space Group:
P1
Cell Parameters:
a = 5.33(1) Å, b = 11.82(2) Å, c = 11.85(2) Å
α = 101.2(1)°, β = 98.2(1)°, γ = 102.5(2)°
Ratio:
a:b:c = 0.451 : 1 : 1.003
Unit Cell V:
701.56 ų (Calculated from Unit Cell)

X-Ray Powder DiffractionHide

Powder Diffraction Data:
d-spacingIntensity
11.148 Å(20)
5.683 Å(5)
3.799 Å(43)
2.853 Å(100)
2.633 Å(7)
2.489 Å(5)
2.267 Å(5)
1.643 Å(5)

Type Occurrence of SveinbergeiteHide

Type Locality:
ⓘ Buer, Vesterøya, Sandefjord, Vestfold, Norway
General Appearance of Type Material:
As 0.01-0.05 mm thick lamellar (0.2-0.5 X 5-10mm crystals forming rosette-like divergent groups and spherical aggregates. Often covered by brown coatings of iron (and possibly manganese) oxides.
Place of Conservation of Type Material:
Fersman Mineralogical Museum, Moscow,
Russia, catalogue number 3966
Geological Setting of Type Material:
A syenite pegmatite embedded in larvikite in the Larvik plutonic complex in the southern part of the Oslo Region, Norway.

Synonyms of SveinbergeiteHide

Relationship of Sveinbergeite to other SpeciesHide

Member of:
Devitoite Group > Astrophyllite Supergroup
Other Members of this group:
Devitoite[Ba6(PO4)2(CO3)][Fe2+7(OH)4Fe3+2O2(Si4O12)2]Tric. 1 : P1
LobanoviteK2Na(Fe2+4Mg2Na)Ti2(Si4O12)2O2(OH)4Mon. 2/m : B2/m

Common AssociatesHide

AegirineNaFe3+Si2O6
AlbiteNa(AlSi3O8)
FluorapatiteCa5(PO4)3F
GalenaPbS
Katophorite{Na}{CaNa}{Mg4Al}[(AlSi7)O22](OH)2
MicroclineK(AlSi3O8)
MolybdeniteMoS2

Related Minerals - Nickel-Strunz GroupingHide

9.DC.05AstrophylliteK2NaFe2+7Ti2Si8O28(OH)4FTric. 1 : P1
9.DC.05Hydroastrophyllite(H3O,K,Ca)3(Fe,Mn)5-65Ti2Si8(O,OH)31Tric.
9.DC.05Kupletskite(K,Na)3(Mn,Fe)7Ti2Si8O26(OH)4FTric.
9.DC.05LobanoviteK2Na(Fe2+4Mg2Na)Ti2(Si4O12)2O2(OH)4Mon. 2/m : B2/m
9.DC.05Niobophyllite(K,Na)3(Fe,Mn)6(Nb,Ti)2Si8(O,OH,F)31Tric.
9.DC.05ZircophylliteK2NaFe2+7Zr2(Si4O12)2O2(OH)4FTric.
9.DC.05Kupletskite-(Cs)Cs2NaMn2+7Ti2(Si4O12)2O2(OH)4FTric.
9.DC.05NiobokupletskiteK2NaMn2+7(Nb,Ti)(Si4O12)2O2(OH)4(O,F)Tric. 1 : P1
9.DC.05NalivkiniteLi2Na(Fe2+,Mn2+)7Ti2Si8O26(OH)4FTric. 1 : P1

Related Minerals - Dana Grouping (8th Ed.)Hide

69.1.1.1AstrophylliteK2NaFe2+7Ti2Si8O28(OH)4FTric. 1 : P1
69.1.1.2Kupletskite(K,Na)3(Mn,Fe)7Ti2Si8O26(OH)4FTric.
69.1.1.3Kupletskite-(Cs)Cs2NaMn2+7Ti2(Si4O12)2O2(OH)4FTric.
69.1.1.4Niobophyllite(K,Na)3(Fe,Mn)6(Nb,Ti)2Si8(O,OH,F)31Tric.
69.1.1.5ZircophylliteK2NaFe2+7Zr2(Si4O12)2O2(OH)4FTric.
69.1.1.5NalivkiniteLi2Na(Fe2+,Mn2+)7Ti2Si8O26(OH)4FTric. 1 : P1
69.1.1.6Hydroastrophyllite(H3O,K,Ca)3(Fe,Mn)5-65Ti2Si8(O,OH)31Tric.
69.1.1.7LobanoviteK2Na(Fe2+4Mg2Na)Ti2(Si4O12)2O2(OH)4Mon. 2/m : B2/m

Other InformationHide

Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

References for SveinbergeiteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Khomyakov, A.P., Cámara, F., Sokolova, E. and Hawthorne, F.C. (2010): Sveinbergeite, IMA 2010-027. CNMNC Newsletter, October 2010, p. 899.
Mineralogical Magazine 74, 899-902.
Berge, S.A., Larsen, K.E. & Andersen, F. (2011): Buer, Vesterøya, Sandefjord- en typelokalitet for et nytt mineral. Norsk Bergverksmuseum Skrift. 46: 49-56
Khomyakov, A.P., Cámara, F., Sokolova, E.,Abdu, Y. & Hawthorne, F.C. (2011): Sveinbergeite, Ca(Fe6 2+6 Fe3+)Ti2(Si4O12)2O2(OH)5(H2O)4, a new astrophyllite-group mineral from the Larvik Plutonic Complex, Oslo Region, Norway: description and crystal structure. Mineralogical Magazine. 75(5): 2687–2702

Internet Links for SveinbergeiteHide

Localities for SveinbergeiteHide

This 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.

Locality ListHide

- This locality has map coordinates listed. - This locality has estimated coordinates. ⓘ - Click for further information on this occurrence. ? - Indicates mineral may be doubtful at this locality. - Good crystals or important locality for species. - World class for species or very significant. (TL) - Type Locality for a valid mineral species. (FRL) - First Recorded Locality for everything else (eg varieties). Struck out - Mineral was erroneously reported from this locality. Faded * - Never found at this locality but inferred to have existed at some point in the past (eg from pseudomorphs.)

All localities listed without proper references should be considered as questionable.
Norway (TL)
 
  • Vestfold
    • Sandefjord
      • Vesterøya
CNMNC Newsletter, October 2010; Khomyakov, A.P., Cámara, F., Sokolova, E.,Abdu, Y. & Hawthorne, F.C. (2011): Sveinbergeite, Ca(Fe6 2+6 Fe3+)Ti2(Si4O12)2O2(OH)5(H2O)4, a new astrophyllite-group mineral from the Larvik Plutonic Complex, Oslo Region, Norway: description and crystal structure. Mineralogical Magazine. 75(5): 2687–2702
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