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Byströmite

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Formula:
MgSb2O6
Colour:
Bluish-grey
Lustre:
Earthy
Hardness:
7
Specific Gravity:
5.5
Crystal System:
Tetragonal
Name:
Named for Anders Byström (1916-1956), Swedish crystal chemist.
Isostructural with:
Byströmite Group. The Mg analogue of tredouxite.


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Classification of ByströmiteHide

Approved, 'Grandfathered' (first described prior to 1959)
4.DB.10

4 : OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodates)
D : Metal: Oxygen = 1:2 and similar
B : With medium-sized cations; chains of edge-sharing octahedra
Dana 7th ed.:
44.2.1.1
44.2.1.1

44 : ANTIMONATES
2 : AX2O6
24.2.2

24 : Antimonates and Antimonites
2 : Antimonates of Be, Mg, Ca, Zn or Hg

Physical Properties of ByströmiteHide

Earthy
Colour:
Bluish-grey
Streak:
light gray
Hardness:
Density:
5.5(1) g/cm3 (Measured)    5.8 g/cm3 (Calculated)
Comment:
measured pure material probably 5.7

Optical Data of ByströmiteHide

Type:
Uniaxial

Chemical Properties of ByströmiteHide

Formula:
MgSb2O6
IMA Formula:
MgSb5+2O6

Crystallography of ByströmiteHide

Crystal System:
Tetragonal
Class (H-M):
4/mmm (4/m 2/m 2/m) - Ditetragonal Dipyramidal
Space Group:
P4/nmm
Cell Parameters:
a = 4.68 Å, c = 9.21 Å
Ratio:
a:c = 1 : 1.968
Unit Cell V:
201.72 ų (Calculated from Unit Cell)
Z:
2
Comment:
P4/mnm

Type Occurrence of ByströmiteHide

General Appearance of Type Material:
massive
Geological Setting of Type Material:
oxidation zone
Associated Minerals at Type Locality:

Synonyms of ByströmiteHide

Other Language Names for ByströmiteHide

Relationship of Byströmite to other SpeciesHide

Other Members of this group:
OrdoñeziteZnSb2O6Tet.
TredouxiteNiSb2O6Tet. 4/mmm (4/m 2/m 2/m) : P42/mnm

Common AssociatesHide

Associated Minerals Based on Photo Data:
Stibiconite1 photo of Byströmite associated with Stibiconite on mindat.org.
Quartz1 photo of Byströmite associated with Quartz on mindat.org.

Related Minerals - Nickel-Strunz GroupingHide

4.DB.05ArgutiteGeO2Tet. 4/mmm (4/m 2/m 2/m) : P42/mnm
4.DB.05CassiteriteSnO2Tet. 4/mmm (4/m 2/m 2/m) : P42/mnm
4.DB.05PlattneritePbO2Tet. 4/mmm (4/m 2/m 2/m)
4.DB.05PyrolusiteMnO2Tet. 4/mmm (4/m 2/m 2/m) : P42/mnm
4.DB.05RutileTiO2Tet. 4/mmm (4/m 2/m 2/m) : P42/mnm
4.DB.05TripuhyiteFe3+Sb5+O4Tet.
4.DB.05TugarinoviteMoO2Mon.
4.DB.05Varlamoffite(Sn,Fe)(O,OH)2
4.DB.10Tapiolite-(Fe)(Fe,Mn)(Ta,Nb)2O6Tet. 4/mmm (4/m 2/m 2/m) : P42/mnm
4.DB.10Tapiolite-(Mn)(Mn,Fe)(Ta,Nb)2O6Tet. 4/mmm (4/m 2/m 2/m) : P42/mnm
4.DB.10OrdoñeziteZnSb2O6Tet.
4.DB.15bAkhtenskiteε-Mn4+O2Hex. 6/mmm (6/m 2/m 2/m) : P63/mmc
4.DB.15cNsutite(Mn4+,Mn2+)(O,OH)2Hex.
4.DB.15aParamontroseiteV4+O2Orth.
4.DB.15aRamsdelliteMn4+O2Orth. mmm (2/m 2/m 2/m)
4.DB.20Scrutinyiteα-PbO2Orth.
4.DB.25IshikawaiteU4+Fe2+Nb2O8Mon.
4.DB.25Ixiolite(Ta,Nb,Sn,Fe,Mn)4O8Orth.
4.DB.25Samarskite-(Y)(Y,Fe3+,Fe2+,U,Th,Ca)2(Nb,Ta)2O8Orth. mmm (2/m 2/m 2/m) : Pbcn
4.DB.25SrilankiteZrTi2O6Orth. mmm (2/m 2/m 2/m) : Pbcn
4.DB.25Yttrocolumbite-(Y)Y(U4+,Fe2+)Nb2O8
4.DB.25Calciosamarskite(Ca,Fe3+,Y)2(Nb,Ta,Ti)2O8Mon.
4.DB.25Samarskite-(Yb)(Yb,Y,Fe3+,Fe2+,U,Th,Ca)2(Nb,Ta)2O8Mon. 2/m : P2/b
4.DB.30FerberiteFeWO4Mon. 2/m : P2/b
4.DB.30HübneriteMnWO4Mon. 2/m : P2/b
4.DB.30Sanmartinite(Zn,Fe)WO4Mon. 2/m : P21/b
4.DB.30KrasnoselskiteCoWO4Mon.
4.DB.30HeftetjerniteScTaO4Mon. 2/m
4.DB.30HuanzalaiteMgWO4Mon. 2/m : P2/b
4.DB.35Columbite-(Fe)FeNb2O6Orth. mmm (2/m 2/m 2/m) : Pbcn
4.DB.35Tantalite-(Fe)FeTa2O6Orth. mmm (2/m 2/m 2/m) : Pbcn
4.DB.35Columbite-(Mn)(Mn,Fe)(Nb,Ta)2O6Orth. mmm (2/m 2/m 2/m) : Pbcn
4.DB.35Tantalite-(Mn)MnTa2O6Orth. mmm (2/m 2/m 2/m) : Pbcn
4.DB.35Columbite-(Mg)(Mg,Fe,Mn)(Nb,Ta)2O6Orth.
4.DB.35Qitianlingite(Fe,Mn)2(Nb,Ta)2WO10Orth.
4.DB.35Magnocolumbite(Mg,Fe,Mn)(Nb,Ta)2O6
4.DB.35Tantalite-(Mg)(Mg,Fe2+)(Ta,Nb)2O6Orth. mmm (2/m 2/m 2/m)
4.DB.40FerrowodginiteFe2+Sn4+Ta2O8Mon.
4.DB.40LithiotantiteLiTa3O8Mon.
4.DB.40LithiowodginiteLiTa3O8Mon.
4.DB.40TitanowodginiteMn2+TiTa2O8Mon.
4.DB.40WodginiteMn2+Sn4+Ta2O8Mon.
4.DB.40FerrotitanowodginiteFe2+TiTa2O8Mon.
4.DB.40WolframowodginiteMn(Mn,Sn,Fe,Ta)(W,Ta,Nb)2O8
4.DB.45TivaniteV3+TiO3(OH)Mon.
4.DB.50Carmichaelite(Ti,Cr,Fe)[O2-x(OH)x]Mon. 2/m : P21/b
4.DB.55AlumotantiteAlTaO4Orth. mmm (2/m 2/m 2/m) : Pbcn
4.DB.60Biehlite((Sb,As)O)2[MoO4]Mon.

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

44.2.1.2OrdoñeziteZnSb2O6Tet.
44.2.1.3TripuhyiteFe3+Sb5+O4Tet.

Related Minerals - Hey's Chemical Index of Minerals GroupingHide

24.2.1SwedenborgiteNaBe4Sb5+O7Hex. 6mm : P63mc
24.2.3Roméite Group
24.2.4OrdoñeziteZnSb2O6Tet.
24.2.5TheisiteCu5Zn5(AsO4,SbO4)2(OH)14Orth.
24.2.6Shakhovite(Hg+2)Hg2+2(Sb3+O3)(OH)3Mon.

Other InformationHide

Notes:
dissolve completely in concentrated HCl containing KI as a reducing agent.
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 ByströmiteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Mason B, Vitaliano C J (1952) Bystromite, magnesium antimonate, a new mineral. American Mineralogist 37, 53-57
Panczner (1987), Minerals of Mexico: 126.

Internet Links for ByströmiteHide

Localities for ByströmiteHide

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.
Germany
 
  • Bavaria
    • Franconia
      • Fichtelgebirge
        • Brandholz - Goldkronach District
Meier, S. (1995). Mineralfundstellen im Fichtelgebirge. Eigenverlag, Marktredwitz, 220 p.
Mexico (TL)
 
  • Sonora
    • Mun. de Caborca
      • El Antimonio
American Mineralogist, (1952) 37, 53-57; Panczner (1987):126.
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