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Svyazhinite

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Formula:
(Mg,Mn2+,Ca)(Al,Fe3+)(SO4)2F · 14H2O
Colour:
Colourless (crystals), yellowish pink
Lustre:
Vitreous
Hardness:
2 - 3
Crystal System:
Triclinic
Member of:
Name:
Named after Nikolai Vasil'evich Svyazhin (1927-1967), Russian mineralogist, Ural Mining Institute, Sverdlovsk, Russia.
Aubertite Group


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Classification of SvyazhiniteHide

Approved
Approval Year:
1983
7.DB.05

7 : SULFATES (selenates, tellurates, chromates, molybdates, wolframates)
D : Sulfates (selenates, etc.) with additional anions, with H2O
B : With only medium-sized cations; insular octahedra and finite units
31.9.8.2

31 : HYDRATED SULFATES CONTAINING HYDROXYL OR HALOGEN
9 : (AB)(XO4)Zq·xH2O
26.11

26 : Sulphates with Halide

Physical Properties of SvyazhiniteHide

Vitreous
Colour:
Colourless (crystals), yellowish pink
Hardness:
2 - 3 on Mohs scale

Optical Data of SvyazhiniteHide

Type:
Biaxial (-)
RI values:
nα = 1.423 nβ = 1.439 nγ = 1.444
2V:
Calculated: 56°
Max Birefringence:
δ = 0.021
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Surface Relief:
Moderate
Dispersion:
relatively strong

Chemical Properties of SvyazhiniteHide

Formula:
(Mg,Mn2+,Ca)(Al,Fe3+)(SO4)2F · 14H2O
IMA Formula:
MgAl(SO4)2F · 14H2O
Common Impurities:
Ca

Crystallography of SvyazhiniteHide

Crystal System:
Triclinic
Cell Parameters:
a = 6.21 Å, b = 13.3 Å, c = 6.25 Å
α = 90.15°, β = 93.56°, γ = 82.08°
Ratio:
a:b:c = 0.467 : 1 : 0.47
Unit Cell V:
510.29 ų (Calculated from Unit Cell)

Type Occurrence of SvyazhiniteHide

Synonyms of SvyazhiniteHide

Other Language Names for SvyazhiniteHide

German:Svyazhinit
Spanish:Svyazhinita

Relationship of Svyazhinite to other SpeciesHide

Member of:
Other Members of this group:
AubertiteCuAl(SO4)2Cl · 14H2OTric. 1
Magnesioaubertite(Mg,Cu)Al(SO4)2Cl · 14H2O

Common AssociatesHide

Associated Minerals Based on Photo Data:
Gypsum1 photo of Svyazhinite associated with Gypsum on mindat.org.

Related Minerals - Nickel-Strunz GroupingHide

7.DB.05AubertiteCuAl(SO4)2Cl · 14H2OTric. 1
7.DB.05Magnesioaubertite(Mg,Cu)Al(SO4)2Cl · 14H2O
7.DB.10KhademiteAl(SO4)F · 5H2OOrth. mmm (2/m 2/m 2/m)
7.DB.10RostiteAl(SO4)(OH) · 5H2OOrth. mmm (2/m 2/m 2/m)
7.DB.15JurbaniteAl(SO4)(OH) · 5H2OMon.
7.DB.20Minasragrite(V4+O)(SO4) · 5H2OMon. 2/m
7.DB.20Orthominasragrite(V4+O)(SO4) · 5H2OOrth. mm2 : Pmn21
7.DB.20Anorthominasragrite(V4+O)(SO4) · 5H2OTric. 1 : P1
7.DB.25Bobjonesite(V4+O)(SO4) · 3H2OMon. 2/m
7.DB.30AmarantiteFe3+2(SO4)2O · 7H2OTric. 1
7.DB.30HohmanniteFe3+2(SO4)2O · 8H2OTric. 1
7.DB.30MetahohmanniteFe3+2(SO4)2O · 4H2OTric. 1 : P1
7.DB.35AluminocopiapiteAl2/3Fe3+4(SO4)6(OH)2 · 20H2OTric. 1 : P1
7.DB.35CalciocopiapiteCaFe4(SO4)6(OH)2 · 10H2OTric. 1 : P1
7.DB.35CopiapiteFe2+Fe3+4(SO4)6(OH)2 · 20H2OTric. 1 : P1
7.DB.35CuprocopiapiteCuFe4(SO4)6(OH)2 · 20H2OTric. 1 : P1
7.DB.35FerricopiapiteFe5(SO4)6O(OH) · 20H2OTric. 1 : P1
7.DB.35MagnesiocopiapiteMgFe3+4(SO4)6(OH)2 · 20H2OTric. 1 : P1
7.DB.35ZincocopiapiteZnFe3+4(SO4)6(OH)2 · 18H2OTric.

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

31.9.8.1AubertiteCuAl(SO4)2Cl · 14H2OTric. 1
31.9.8.3Magnesioaubertite(Mg,Cu)Al(SO4)2Cl · 14H2O

Related Minerals - Hey's Chemical Index of Minerals GroupingHide

26.1KogarkoiteNa3(SO4)FMon.
26.2SulphohaliteNa6(SO4)2FClIso. m3m (4/m 3 2/m)
26.3SchaireriteNa21(SO4)7ClF6Trig. 3m (3 2/m)
26.4GaleiteNa15(SO4)5F4ClTrig.
26.5ConnelliteCu19(SO4)(OH)32Cl4 · 3H2OHex. 6 m2 : P62c
26.6ChlorothioniteK2Cu(SO4)Cl2Orth. mmm (2/m 2/m 2/m) : Pnma
26.7KamchatkiteKCu3(SO4)2OClOrth. mmm (2/m 2/m 2/m) : Pnma
26.8SpangoliteCu6Al(SO4)(OH)12Cl · 3H2OTrig. 3m : P3 1c
26.9AubertiteCuAl(SO4)2Cl · 14H2OTric. 1
26.10Magnesioaubertite(Mg,Cu)Al(SO4)2Cl · 14H2O
26.12D'AnsiteNa21Mg(SO4)10Cl3Iso.
26.13AnhydrokainiteKMg(SO4)Cl
26.14KainiteKMg(SO4)Cl · 3H2OMon. 2/m : B2/m
26.15Mosesite(Hg2N)(Cl,SO4,MoO4) · H2OIso.
26.16Kleinite(Hg2N)(Cl,SO4) · nH2OHex. 6/mmm (6/m 2/m 2/m) : P63/mmc
26.17WilcoxiteMgAl(SO4)2F · 17H2OTric. 1 : P1
26.18CreediteCa3SO4Al2F8(OH)2 · 2H2OMon. 2/m : B2/b
26.19LannoniteMg2Ca4Al4(SO4)8F8 · 24H2O Tet. 4/m : I4/m
26.20Chukhrovite-(Y)Ca3(Y,Ce)[F|SO4|(AlF6)2] · 10H2OIso.
26.21Chukhrovite-(Ce)Ca3(Ce,Y)[F|SO4|(AlF6)2] · 10H2OIso.
26.22GrandreefitePb2(SO4)F2Mon. 2/m
26.23PseudograndreefitePb6(SO4)F10Orth. 2 2 2 : F2 2 2
26.24SundiusitePb10(SO4)O8Cl2Mon.
26.25CaracoliteNa3Pb2(SO4)3ClMon.
26.26MammothitePb6Cu4AlSb5+O2(OH)16Cl4(SO4)2Mon. 2 : B2
26.27AtlasoviteK(BiO)Cu6Fe3+(SO4)5O3ClTet. 4/mmm (4/m 2/m 2/m) : P4/ncc
26.28XitieshaniteFe3+(SO4)Cl · 6H2OMon.
26.29NabokoiteKCu7(SO4)5(Te4+O3)OClTet.

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 SvyazhiniteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Zapiski Vserossiyskogo Mineralogicheskogo Obshchestva (1984): 113: 347-351.
American Mineralogist (1985): 70: 877.

Internet Links for SvyazhiniteHide

Localities for SvyazhiniteHide

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.
Russia (TL)
 
  • Urals Region
    • Southern Urals
      • Chelyabinsk Oblast'
        • Ilmen Mts
          • Ilmen Natural Reserve
            • Miass (Miask)
Pekov, I. (1998) Minerals First discovered on the territory of the former Soviet Union 369p. Ocean Pictures, Moscow
Mineral and/or Locality  
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