Sverigeite
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About Sverigeite
Formula:
NaMnMgSnBe2(SiO4)3(OH)
Colour:
Yellow in transmitted light, pale yellow to yellow
Lustre:
Vitreous
Hardness:
6½
Specific Gravity:
3.6
Crystal System:
Orthorhombic
Name:
Named for the country of origin, Sweden (Sverige).
Type Locality:
Occurs as platy aggregates.
Classification of Sverigeite
Approved
Approval Year:
1983
8/F.38-10
9.AE.15
9 : SILICATES (Germanates)
A : Nesosilicates
E : Nesosilicates with additional anions (O,OH,F,H2O); cations in tetrahedral [4] coordination
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]
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
14 : Silicates not Containing Aluminum
3 : Silicates of Be
Physical Properties of Sverigeite
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
Perfect on {010}, two other directions distinct
Density:
3.6 g/cm3 (Measured) 3.61 g/cm3 (Calculated)
Optical Data of Sverigeite
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.
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 Sverigeite
Formula:
NaMnMgSnBe2(SiO4)3(OH)
IMA Formula:
NaBe2Mn2+2SnSi3O12(OH)
Common Impurities:
Fe,Zn,H2O
Crystallography of Sverigeite
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 Diffraction
Powder Diffraction Data:
d-spacing | Intensity |
---|---|
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 Sverigeite
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 Sverigeite
Other Language Names for Sverigeite
Related Minerals - Nickel-Strunz Grouping
9.AE.05 | Beryllite | Be3(SiO4)(OH)2 · H2O | Orth. |
9.AE.10 | Euclase | BeAl(SiO4)(OH) | Mon. 2/m : P21/b |
9.AE.20 | Hodgkinsonite | Mn2+Zn2(SiO4)(OH)2 | Mon. |
9.AE.25 | Gerstmannite | MnMgZn(SiO4)(OH)2 | Orth. |
9.AE.30 | Clinohedrite | CaZn(SiO4) · H2O | Mon. m : Bb |
9.AE.35 | Stringhamite | CaCu(SiO4) · H2O | Mon. |
9.AE.40 | Katoptrite | (Mn2+,Mg)13(Al,Fe3+)4Sb5+2(SiO4)2O20 | Mon. 2/m : B2/m |
9.AE.45 | Yeatmanite | Zn6Mn2+9Sb5+2(SiO4)4O12 | Tric. |
9.AE.50 | Sphaerobertrandite | Be3(SiO4)(OH)2 | Mon. 2/m : P21/b |
Related Minerals - Hey's Chemical Index of Minerals Grouping
14.3.1 | Phenakite | Be2SiO4 | Trig. 3 : R3 |
14.3.2 | Bertrandite | Be4(Si2O7)(OH)2 | Orth. mm2 : Cmc21 |
14.3.3 | Beryllite | Be3(SiO4)(OH)2 · H2O | Orth. |
14.3.4 | Liberite | Li2BeSiO4 | Mon. m : Pm |
14.3.5 | Chkalovite | Na2BeSi2O6 | Orth. mm2 : Fdd2 |
14.3.6 | Eudidymite | Na2Be2Si6O15 · H2O | Mon. 2/m : B2/b |
14.3.7 | Epididymite | Na2Be2Si6O15 · H2O | Orth. mmm (2/m 2/m 2/m) : Pnma |
14.3.8 | Gugiaite | Ca2Be(Si2O7) | Tet. |
14.3.9 | Jeffreyite | (Ca,Na)2(Be,Al)(Si2O7,HSi2O7) | Orth. |
14.3.10 | Semenovite-(Ce) | Na8Ca2FeBe6Ce2Si14O40(OH)4F4 | Orth. mmm (2/m 2/m 2/m) |
14.3.11 | Barylite | Be2Ba(Si2O7) | Orth. |
14.3.12 | Hingganite-(Ce) | (Ce,REE)2(□,Fe2+)Be2[SiO4]2(OH)2 | Mon. 2/m : P21/b |
14.3.13 | Hingganite-(Yb) | (Yb,Y,REE)2□Be2[SiO4]2(OH)2 | |
14.3.14 | Hingganite-(Y) | (Y,REE,Ca)2(□,Fe2+)Be2[SiO4]2(OH)2 | Mon. 2/m : P21/b |
14.3.15 | Minasgeraisite-(Y) | BiCa(Y,Ln)2(□,Mn)2(Be,B,Si)4Si4O16 [(OH),O]4 | Tric. 1 : P1 |
14.3.16 | Sørensenite | Na4SnBe2Si6O16(OH)4 | Mon. 2/m : B2/b |
14.3.17 | Trimerite | CaMn2+2Be3(SiO4)3 | Mon. 2/m : P21/m |
14.3.18 | Chiavennite | CaMnBe2Si5O13(OH)2 · 2H2O | Mon. 2/m : P21/b |
14.3.19 | Tvedalite | (Ca,Mn)4Be3Si6O17(OH)4 · 3H2O | Orth. |
14.3.20 | Harstigite | Ca6(Mn,Mg)Be4Si6(O,OH)24 | Orth. |
14.3.22 | Joesmithite | {Pb}{Ca2}{Mg3Fe3+2}(Be2Si6O22)(OH)2 | Mon. |
14.3.23 | Gadolinite-(Y) | Y2Fe2+Be2Si2O10 | Mon. 2/m : P21/b |
14.3.24 | Gadolinite-(Ce) | (Ce,La,Nd,Y)2Fe2+Be2Si2O10 | Mon. 2/m |
14.3.25 | Calciogadolinite-(Y) | (YCa)2Fe3+Be2[SiO4]2O2 |
Other Information
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 Sverigeite
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 Sverigeite
mindat.org URL:
https://www.mindat.org/min-3839.html
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Localities for Sverigeite
Locality List




All localities listed without proper references should be considered as questionable.
Sweden (TL) | |
| 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. |
Långban, Filipstad, Värmland, Sweden