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Sverigeite

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About SverigeiteHide

Flag of Sweden
Formula:
NaMnMgSnBe2(SiO4)3(OH)
Colour:
Yellow in transmitted light, pale yellow to yellow
Lustre:
Vitreous
Hardness:
Specific Gravity:
3.6
Crystal System:
Orthorhombic
Name:
Named for the country of origin, Sweden (Sverige).
Occurs as platy aggregates.


Classification of SverigeiteHide

Approved
Approval Year:
1983
9.AE.15

9 : SILICATES (Germanates)
A : Nesosilicates
E : Nesosilicates with additional anions (O,OH,F,H2O); cations in tetrahedral [4] coordination
Dana 7th ed.:
51.2.2.1
51.2.2.1

51 : NESOSILICATES Insular SiO4 Groups Only
2 : Insular SiO4 Groups Only with cations in [4] as well as >[4]
14.3.21

14 : Silicates not Containing Aluminum
3 : Silicates of Be

Physical Properties of SverigeiteHide

Vitreous
Transparency:
Translucent
Colour:
Yellow in transmitted light, pale yellow to yellow
Streak:
Light yellow
Hardness:
6½ on Mohs scale
Cleavage:
Perfect
Perfect on {010}, two other directions distinct
Density:
3.6 g/cm3 (Measured)    3.61 g/cm3 (Calculated)

Optical Data of SverigeiteHide

Type:
Biaxial (+)
RI values:
nα = 1.678 nβ = 1.684 nγ = 1.699
2V:
Measured: 65° to 69°, Calculated: 66°
Max Birefringence:
δ = 0.021
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Surface Relief:
High
Dispersion:
r < v strong
Pleochroism:
Visible
Comments:
Pleochroism moderate; X=yellow; Y~Z=pale yellow
Comments:
Orientation: Z=b. Absorption: X>Y~Z

Chemical Properties of SverigeiteHide

Formula:
NaMnMgSnBe2(SiO4)3(OH)
IMA Formula:
NaBe2Mn2+2SnSi3O12(OH)
Common Impurities:
Fe,Zn,H2O

Crystallography of SverigeiteHide

Crystal System:
Orthorhombic
Class (H-M):
mmm (2/m 2/m 2/m) - Dipyramidal
Space Group:
Imma
Cell Parameters:
a = 10.81 Å, b = 13.27 Å, c = 6.81 Å
Ratio:
a:b:c = 0.815 : 1 : 0.513
Unit Cell V:
976.89 ų (Calculated from Unit Cell)
Z:
4
Morphology:
In well-formed complex crystals, to 2 mm, elongated parallel to [001]; as irregular platy aggregates

X-Ray Powder DiffractionHide

Powder Diffraction Data:
d-spacingIntensity
2.884 (100)
2.826 (90)
5.77 (70)
4.35 (70)
2.98 (60)
2.644 (60)
6.63 (50)
Comments:
From type locality material

Type Occurrence of SverigeiteHide

Place of Conservation of Type Material:
National Musuem of Natural History, Washington, D.C.
Geological Setting of Type Material:
Mine dump, possibly part of a vein assemblage

Synonyms of SverigeiteHide

Other Language Names for SverigeiteHide

Related Minerals - Nickel-Strunz GroupingHide

9.AE.05BerylliteBe3(SiO4)(OH)2 · H2OOrth.
9.AE.10EuclaseBeAl(SiO4)(OH)Mon. 2/m : P21/b
9.AE.20HodgkinsoniteMn2+Zn2(SiO4)(OH)2Mon.
9.AE.25GerstmanniteMnMgZn(SiO4)(OH)2Orth.
9.AE.30ClinohedriteCaZn(SiO4) · H2OMon. m : Bb
9.AE.35StringhamiteCaCu(SiO4) · H2OMon.
9.AE.40Katoptrite(Mn2+,Mg)13(Al,Fe3+)4Sb5+2(SiO4)2O20Mon. 2/m : B2/m
9.AE.45YeatmaniteZn6Mn2+9Sb5+2(SiO4)4O12Tric.
9.AE.50SphaerobertranditeBe3(SiO4)(OH)2Mon. 2/m : P21/b

Related Minerals - Hey's Chemical Index of Minerals GroupingHide

14.3.1PhenakiteBe2SiO4Trig. 3 : R3
14.3.2BertranditeBe4(Si2O7)(OH)2Orth. mm2 : Cmc21
14.3.3BerylliteBe3(SiO4)(OH)2 · H2OOrth.
14.3.4LiberiteLi2BeSiO4Mon. m : Pm
14.3.5ChkaloviteNa2BeSi2O6Orth. mm2 : Fdd2
14.3.6EudidymiteNa2Be2Si6O15 · H2OMon. 2/m : B2/b
14.3.7EpididymiteNa2Be2Si6O15 · H2OOrth. mmm (2/m 2/m 2/m) : Pnma
14.3.8GugiaiteCa2Be(Si2O7)Tet.
14.3.9Jeffreyite(Ca,Na)2(Be,Al)(Si2O7,HSi2O7)Orth.
14.3.10Semenovite-(Ce)Na8Ca2FeBe6Ce2Si14O40(OH)4F4Orth. mmm (2/m 2/m 2/m)
14.3.11BaryliteBe2Ba(Si2O7)Orth.
14.3.12Hingganite-(Ce)(Ce,REE)2(□,Fe2+)Be2[SiO4]2(OH)2Mon. 2/m : P21/b
14.3.13Hingganite-(Yb)(Yb,Y,REE)2□Be2[SiO4]2(OH)2
14.3.14Hingganite-(Y)(Y,REE,Ca)2(□,Fe2+)Be2[SiO4]2(OH)2Mon. 2/m : P21/b
14.3.15Minasgeraisite-(Y)CaBe2Y2Si2O10Mon. 2/m : P21/b
14.3.16SørenseniteNa4SnBe2Si6O16(OH)4Mon. 2/m : B2/b
14.3.17TrimeriteCaMn2+2Be3(SiO4)3Mon. 2/m : P21/m
14.3.18ChiavenniteCaMnBe2Si5O13(OH)2 · 2H2OMon. 2/m : P21/b
14.3.19Tvedalite(Ca,Mn)4Be3Si6O17(OH)4 · 3H2OOrth.
14.3.20HarstigiteCa6(Mn,Mg)Be4Si6(O,OH)24Orth.
14.3.22Joesmithite{Pb}{Ca2}{Mg3Fe3+2}(Be2Si6O22)(OH)2Mon.
14.3.23Gadolinite-(Y)Y2Fe2+Be2Si2O10Mon. 2/m : P21/b
14.3.24Gadolinite-(Ce)(Ce,La,Nd,Y)2Fe2+Be2Si2O10Mon. 2/m
14.3.25Calciogadolinite-(Y)(YCa)2Fe3+Be2[SiO4]2O2

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 SverigeiteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Geologiska Föeningens I Stockholm Förhandlinger (1984) 106, 175-177.
American Mineralogist (1985): 70: 1332.
American Mineralogist (1989): 74: 1343-1350.
Anthony, Bideaux, Bladh & Nichols (1995) Handbook of Mineralogy, Vol. II, Silicates, Mineral Data Publishing.
Gaines, et.al. (1997) Dana's New Mineralogy, 8th Edition, John Wiley & Sons, New York.

Internet Links for SverigeiteHide

Localities for SverigeiteHide

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.
Sweden (TL)
 
  • Värmland
    • Filipstad
GFF,(1984) 106, 175-177; Nysten, P., Holtstam, D. and Jonsson, E. (1999) The Långban minerals. In Långban - The mines,their minerals, geology and explorers (D. Holtstam and J. Langhof, eds.), Swedish Museum of Natural History and Raster Förlag, Stockholm & Chr. Weise Verlag, Munich, pp. 89-183.
Mineral and/or Locality  
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