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Manganvesuvianite

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About ManganvesuvianiteHide

Formula:
Ca19Mn3+Al4(Al6Mg2)(☐4)☐[Si2O7]4[(SiO4)10]O(OH)9
The formula is a partial simplification of the full structural formula. The large (VII-IX)-coordinated (X4)2(X3)8(X2)8(X1) sites are here combined (e.g. Ca19) and are typically filled with Ca, although other large cations such as the REE may be present. The square-pyramidal Y1 site can host a variety of M2+ and M3+ ions and is the basis for the distinction of several species. The VI-coordinated Y2 site typically is filled with Al, whereas the also VI-coordinated Y3 site may contain Al, Mg, and other cations of similar charge and size. The tetrahedral T1 site is typically vacant but may contain B (less commonly Al); the trigonal T2 site is also typically vacant but may also contain B. Some of the (SiO4) may be replaced by (H4O4), akin to the Si4+ ↔︎ 4H+ hydrogarnet substitution. Among the oxygen that are not part of the silica tetrahedra, there are eight "O11" that typically occur as OH, two "O10" that are typically O & OH or OH & OH (the latter arrangement notably when Y1 is an M2+ cation). There may also be up to three "O12" that in most vesuvianite-group minerals are absent (and are not included here), but may be present particularly when T1 is occupied.

Note that although the IMA formula denotes the end-member Y3 site filling as (Al6Mg2), the composition of the most Mn-rich sample reported in Armbruster et al., 2002 (sample NC-14-38) more closely conforms to a Y3 site filling of (Mn3+4Al2Mn2+2).
Colour:
Deep red-brown, red, nearly black
Lustre:
Vitreous
Hardness:
6 - 7
Specific Gravity:
3.404 (Calculated)
Crystal System:
Tetragonal
Name:
Named in 2002 by T. Arbruster, E. Gnos, R. Dixon, J. Gutzmer, C. Hejny, N. Döbelin and O. Medenbach in allusion to the dominance of Mn3+ in the formula and its relationship to vesuvianite. The original "manganvesuvianite" from Harstigen, Langban District, Sweden is discredited as manganoan vesuvianite. The redefined Fe3+ analog of vesuvianite is not found at Langban.

Classification of ManganvesuvianiteHide

Approved
Approval Year:
2000
9.BG.35

9 : SILICATES (Germanates)
B : Sorosilicates
G : Sorosilicates with mixed SiO4 and Si2O7 groups; cations in octahedral [6] and greater coordination

Pronounciation of ManganvesuvianiteHide

Pronounciation:
PlayRecorded byCountry
Jolyon & Katya RalphUnited Kingdom

Physical Properties of ManganvesuvianiteHide

Vitreous
Transparency:
Transparent, Translucent, Opaque
Colour:
Deep red-brown, red, nearly black
Streak:
white
Hardness:
6 - 7 on Mohs scale
Hardness Data:
Measured
Cleavage:
None Observed
Fracture:
Conchoidal
Density:
3.404 g/cm3 (Calculated)

Optical Data of ManganvesuvianiteHide

Type:
Uniaxial (-)
RI values:
nω = 1.735 nε = 1.724
Max Birefringence:
δ = 0.012
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Surface Relief:
High
Pleochroism:
Strong
Comments:
O dark red to lilac, E near colorless to yellow;
color zoning correlating to compositional zoning is common

Chemical Properties of ManganvesuvianiteHide

Formula:
Ca19Mn3+Al4(Al6Mg2)(☐4)☐[Si2O7]4[(SiO4)10]O(OH)9

The formula is a partial simplification of the full structural formula. The large (VII-IX)-coordinated (X4)2(X3)8(X2)8(X1) sites are here combined (e.g. Ca19) and are typically filled with Ca, although other large cations such as the REE may be present. The square-pyramidal Y1 site can host a variety of M2+ and M3+ ions and is the basis for the distinction of several species. The VI-coordinated Y2 site typically is filled with Al, whereas the also VI-coordinated Y3 site may contain Al, Mg, and other cations of similar charge and size. The tetrahedral T1 site is typically vacant but may contain B (less commonly Al); the trigonal T2 site is also typically vacant but may also contain B. Some of the (SiO4) may be replaced by (H4O4), akin to the Si4+ ↔︎ 4H+ hydrogarnet substitution. Among the oxygen that are not part of the silica tetrahedra, there are eight "O11" that typically occur as OH, two "O10" that are typically O & OH or OH & OH (the latter arrangement notably when Y1 is an M2+ cation). There may also be up to three "O12" that in most vesuvianite-group minerals are absent (and are not included here), but may be present particularly when T1 is occupied.

Note that although the IMA formula denotes the end-member Y3 site filling as (Al6Mg2), the composition of the most Mn-rich sample reported in Armbruster et al., 2002 (sample NC-14-38) more closely conforms to a Y3 site filling of (Mn3+4Al2Mn2+2).
IMA Formula:
Ca19Mn3+Al10Mg2(SiO4)10(Si2O7)4O(OH)9

Crystallography of ManganvesuvianiteHide

Crystal System:
Tetragonal
Class (H-M):
4/m - Dipyramidal
Space Group:
P4/n
Cell Parameters:
a = 15.575 Å, c = 11.824 Å
Ratio:
a:c = 1 : 0.759
Unit Cell V:
2868.5 ų
Z:
2

Crystal StructureHide

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IDSpeciesReferenceLinkYearLocalityPressure (GPa)Temp (K)
0014562ManganvesuvianiteArmbruster T, Gnos E, Dixon R, Gutzmer J, Hejny C, Dobelin N, Medenbach O (2002) Manganvesuvianite and tweddillite, two new Mn3+-silicate minerals from the Kalahari manganese fields, South Africa Mineralogical Magazine 66 137-1502002Kalahari manganese fields, South Africa0293
CIF Raw Data - click here to close

Type Occurrence of ManganvesuvianiteHide

General Appearance of Type Material:
Deep maroon red prisms up to 1.5 cm in length and as rock-forming mineral.

Synonyms of ManganvesuvianiteHide

Other Language Names for ManganvesuvianiteHide

Relationship of Manganvesuvianite to other SpeciesHide

Other Members of this group:
AlumovesuvianiteCa19AlAl4(Al6Mg2)(☐4)☐[Si2O7]4[(SiO4)10]O(OH)9Tet. 4/m : P4/n
CyprineCa19Cu2+Al4(Al6Mg2)(☐4)☐[Si2O7]4[(SiO4)10](OH)(OH)9Tet. 4/m : P4/n
FluorvesuvianiteCa19Fe3+Al4(Al6Mg2)(☐4)☐[Si2O7]4[(SiO4)10]O(F,OH)9Tet. 4/mmm (4/m 2/m 2/m)
HongheiteCa19Fe2+Al4(Fe3+,Mg)8(☐4)B[Si2O7]4[(SiO4)10]O(OH,O)9Tet. 4/mmm (4/m 2/m 2/m) : P4/nnc
MagnesiovesuvianiteCa19MgAl4(Al6Mg2)(☐4)☐[Si2O7]4[(SiO4)10](OH)(OH)9Tet. 4/m : P4/n
Manaevite-(Ce)(Ca13Ce4[H2O]2)Mg(Al3Mg)(Mg3Ti3Fe3+2)(☐4)☐[Si2O7]4[(SiO4)8(H4O4)2]O(OH)9Tet. 4/mmm (4/m 2/m 2/m) : P4/nnc
Milanriederite(Ca18[REE])Fe3+Al4(Mg4Al4)(☐4)☐[Si2O7]4[(SiO4)10](OH)(OH)9Tet. 4/mmm (4/m 2/m 2/m) : P4/nnc
VesuvianiteCa19Fe3+Al4(Al6Mg2)(☐4)☐[Si2O7]4[(SiO4)10]O(OH)9Tet. 4/mmm (4/m 2/m 2/m) : P4/nnc
WiluiteCa19MgAl4(Al,Mg)8(B,☐)4☐[Si2O7]4[(SiO4)10]O(O,OH)9Tet. 4/mmm (4/m 2/m 2/m) : P4/nnc

Common AssociatesHide

Associated Minerals Based on Photo Data:
15 photos of Manganvesuvianite associated with AndraditeCa3Fe3+2(SiO4)3
5 photos of Manganvesuvianite associated with OyeliteCa10Si8B2O29 · 12.5H2O
5 photos of Manganvesuvianite associated with NatroliteNa2Al2Si3O10 · 2H2O
5 photos of Manganvesuvianite associated with Hydroxyapophyllite-(K)KCa4(Si8O20)(OH,F) · 8H2O
3 photos of Manganvesuvianite associated with HausmanniteMn2+Mn3+2O4
2 photos of Manganvesuvianite associated with BaryteBaSO4
2 photos of Manganvesuvianite associated with RhodochrositeMnCO3
1 photo of Manganvesuvianite associated with PoldervaartiteCaCa[SiO3(OH)](OH)
1 photo of Manganvesuvianite associated with CalciteCaCO3

Related Minerals - Nickel-Strunz GroupingHide

9.BG.Shuiskite-(Cr)Ca2Cr3+Cr3+2[Si2O6OH][SiO4](OH)2OMon. 2/m : B2/m
9.BG.Alnaperbøeite-(Ce)Ca(Ce2.5Na0.5)(AlAl2Al)[Si2O7][SiO4]3O(OH)2Mon. 2/m : P21/m
9.BG.MagnesiovesuvianiteCa19MgAl4(Al6Mg2)(☐4)☐[Si2O7]4[(SiO4)10](OH)(OH)9Tet. 4/m : P4/n
9.BG.AlumovesuvianiteCa19AlAl4(Al6Mg2)(☐4)☐[Si2O7]4[(SiO4)10]O(OH)9Tet. 4/m : P4/n
9.BG.05bAllanite-(Ce){CaCe}{Al2Fe2+}(Si2O7)(SiO4)O(OH)Mon. 2/m : P21/m
9.BG.05bAllanite-(La){CaLa}{Al2Fe2+}(Si2O7)(SiO4)O(OH)Mon. 2/m : P21/m
9.BG.05bAllanite-(Y){CaY}{Al2Fe2+}(Si2O7)(SiO4)O(OH)Mon.
9.BG.05aClinozoisite{Ca2}{Al3}(Si2O7)(SiO4)O(OH)Mon. 2/m : P21/m
9.BG.05bDissakisite-(Ce){CaCe}{Al2Mg}(Si2O7)(SiO4)O(OH)Mon. 2/m : P21/m
9.BG.05Dollaseite-(Ce){CaCe}{MgAlMg}(Si2O7)(SiO4)(OH)FMon. 2/m : P21/m
9.BG.05aEpidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)Mon. 2/m : P21/m
9.BG.05aHancockite{CaPb}{Al2Fe3+}(Si2O7)(SiO4)O(OH)Mon.
9.BG.05Khristovite-(Ce){CaCe}{MgAlMn2+}(Si2O7)(SiO4)(OH)FMon. 2/m : P21/m
9.BG.05aMukhinite{Ca2}{Al2V3+}(Si2O7)(SiO4)O(OH)Mon.
9.BG.05aPiemontite{Ca2}{Al2Mn3+}(Si2O7)(SiO4)O(OH)Mon. 2/m : P21/m
9.BG.05Piemontite-(Sr){CaSr}{Al2Mn3+}(Si2O7)(SiO4)O(OH)Mon.
9.BG.05bManganiandrosite-(La){Mn2+La}{Mn3+AlMn2+}(Si2O7)(SiO4)O(OH)Mon.
9.BG.05Tawmawite{Ca2}{(Al,Fe3+,Cr)3}(Si2O7)(SiO4)O(OH)
9.BG.05Tweddillite{CaSr}{Mn3+AlMn3+}(Si2O7)(SiO4)O(OH)Mon. 2/m : P21/m
9.BG.05bFerriallanite-(Ce){CaCe}{Fe3+AlFe2+}(Si2O7)(SiO4)O(OH)Mon. 2/m : P21/m
9.BG.05Niigataite{CaSr}{Al3}(Si2O7)(SiO4)O(OH)Mon. 2/m
9.BG.05Manganiandrosite-(Ce){Mn2+Ce}{Mn3+AlMn2+}(Si2O7)(SiO4)O(OH)Mon. 2/m : P21/m
9.BG.05Dissakisite-(La){CaLa}{Al2Mg}(Si2O7)(SiO4)O(OH)Mon. 2/m : P21/m
9.BG.05Vanadoandrosite-(Ce){Mn2+Ce}{V3+AlMn2+}(Si2O7)(SiO4)O(OH)Mon. 2/m : P21/m
9.BG.05Uedaite-(Ce){Mn2+Ce}{Al2Fe2+}(Si2O7)(SiO4)O(OH)Mon. 2/m : P21/m
9.BG.05aEpidote-(Sr){CaSr}{Al2Fe3+}(Si2O7)(SiO4)O(OH)Mon. 2/m : P21/m
9.BG.05bAllanite-(Nd){CaNd}{Al2Fe2+}(Si2O7)(SiO4)O(OH)Mon. 2/m : P21/m
9.BG.05bFerriallanite-(La){CaLa}{Fe3+AlFe2+}(Si2O7)(SiO4)O(OH)Mon. 2/m : P21/m
9.BG.05bÅskagenite-(Nd){Mn2+Nd}{Al2Fe3+}(Si2O7)(SiO4)O2Mon. 2/m : P21/m
9.BG.9.BG.Ferriakasakaite-(La){CaLa}{Fe3+AlMn2+}(Si2O7)(SiO4)O(OH)Mon. 2/m : P21/m
9.BG.9.BG.Ferriandrosite-(Ce){Mn2+REE}{Fe3+AlMn2+}(SiO4)(Si2O7)O(OH)
9.BG.9.BGFerriperbøeite-(Ce)CaCe3(Fe3+Al2Fe2+)[Si2O7][SiO4]3O(OH)2Mon. 2/m : P21/m
9.BG.10ZoisiteCa2Al3[Si2O7][SiO4]O(OH)Orth. mmm (2/m 2/m 2/m) : Pnma
9.BG.15MacfalliteCa2Mn3+3(SiO4)(Si2O7)(OH)3Mon.
9.BG.15SursassiteMn2+2Al3(SiO4)(Si2O7)(OH)3Mon. 2/m : P21/m
9.BG.20Julgoldite-(Fe2+)Ca2Fe2+Fe3+2[Si2O6OH][SiO4](OH)2(OH)Mon.
9.BG.20OkhotskiteCa2Mn2+Mn3+2[Si2O6OH][SiO4](OH)2(OH)Mon.
9.BG.20Pumpellyite-(Fe2+)Ca2Fe2+Al2[Si2O6OH][SiO4](OH)2(OH)Mon.
9.BG.20Pumpellyite-(Fe3+)Ca2Fe3+Al2[Si2O6OH][SiO4](OH)2OMon.
9.BG.20Pumpellyite-(Mg)Ca2MgAl2[Si2O6OH][SiO4](OH)2(OH)Mon.
9.BG.20Pumpellyite-(Mn2+)Ca2Mn2+Al2[Si2O6OH][SiO4](OH)2(OH)Mon.
9.BG.20Shuiskite-(Mg)Ca2MgCr3+2[Si2O6OH][SiO4](OH)2(OH)Mon.
9.BG.20Julgoldite-(Fe3+)Ca2Fe3+Fe3+2[Si2O6OH][SiO4](OH)2OMon.
9.BG.20Pumpellyite-(Al)Ca2AlAl2[Si2O6OH][SiO4](OH)2OMon.
9.BG.20PoppiiteCa2V3+V3+2[Si2O6OH][SiO4](OH)2OMon. 2/m : B2/m
9.BG.20Julgoldite-(Mg)Ca2MgFe3+2[Si2O6OH][SiO4](OH)2(OH)Mon.
9.BG.25GanomalitePb9Ca5Mn(Si2O7)4(SiO4)OHex.
9.BG.30RustumiteCa10(Si2O7)2(SiO4)(OH)2Cl2Mon.
9.BG.35VesuvianiteCa19Fe3+Al4(Al6Mg2)(☐4)☐[Si2O7]4[(SiO4)10]O(OH)9Tet. 4/mmm (4/m 2/m 2/m) : P4/nnc
9.BG.35WiluiteCa19MgAl4(Al,Mg)8(B,☐)4☐[Si2O7]4[(SiO4)10]O(O,OH)9Tet. 4/mmm (4/m 2/m 2/m) : P4/nnc
9.BG.35FluorvesuvianiteCa19Fe3+Al4(Al6Mg2)(☐4)☐[Si2O7]4[(SiO4)10]O(F,OH)9Tet. 4/mmm (4/m 2/m 2/m)
9.BG.35CyprineCa19Cu2+Al4(Al6Mg2)(☐4)☐[Si2O7]4[(SiO4)10](OH)(OH)9Tet. 4/m : P4/n
9.BG.40Vyuntspakhkite-(Y)(Y,Yb)4Al2.5-1.5(Si,Al)1.5-2.5(SiO4)4O(OH)7Mon.
9.BG.45DellaiteCa6Si3O11(OH)2Tric.
9.BG.50Gatelite-(Ce)CaCe3(AlAl2Mg)[Si2O7][SiO4]3O(OH)2Mon. 2/m : P21/b
9.BG.55Västmanlandite-(Ce)CaCe3(MgAl2Mg)[Si2O7][SiO4]3F(OH)2Mon. 2/m : P21/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 ManganvesuvianiteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Armbruster, T., Gnos, E. (2000) Tetrahedral vacancies and cation ordering in low-temperature Mn-bearing vesuvianites: indication of a hydrogranet-like substitution American Mineralogist: 85: 570-577.
Armbruster, T., Gnos, E., Dixon, R., Gutzmer, J., Hejny, C., Döbelin, N., Medenbach, O. (2002) Manganvesuvianite and Tweddillite, two new Mn3+-silicate minerals from the Kalahari Manganese fields, South Africa. Mineralogical Magazine: 66: 137-150.
Groat, L.A., Evans, R.J. (2012) Crystal Chemistry of Bi- and Mn-bearing Vesuvianite from Langban, Sweden. American Mineralogist: 97: 1627-1634.

Internet Links for ManganvesuvianiteHide

Localities for ManganvesuvianiteHide

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.
Italy
 
  • Liguria
    • La Spezia Province
      • Borghetto di Vara
Bracco R. (2017). Sorprese a Cerchiara: manganvesuvianite e piemontite-(Sr). Prie, vol. 13, gennaio-dicembre 2017, pagg. 7 - 12.; Balestra, C., Castellaro, F., Kampf, A.R., Vajda, E., and Esposito, M. (2020) La miniera di Cerchiara, Borghetto di Vara, Levante Ligure: recenti identificazioni e stato dell’arte. Micro, 18, 2-29 (in Italian).
South Africa
 
  • Northern Cape
    • Kalahari manganese field
      • Hotazel
T. Armbruster et al. (2002) Mineralogical Magazine 66, 137-150; European Journal of Mineralogy: 17(2): 375-382.
      • Kuruman
        • N'Chwaning Mines
T. Armbruster et al. (2002) Mineralogical Magazine 66, 137-150
Jesse Crawford
Sweden
 
  • Värmland County
    • Filipstad
      • Persberg ore district
        • Pajsberg
Groat, Lee A. and Evans, R. James (2012) Crystal Chemistry of Bi- and Mn-bearing Vesuvianite from Langban, Sweden, American Mineralogist, v. 97, p. 1627-1634.
USA
 
  • California
    • San Bernardino Co.
      • Lucerne Valley Limestone District
        • Lucerne Valley
Brown, Howard J., (2019) Geology of White Knob Quarry, Southern California Friends of Mineralogy 2019 Spring Symposium presentation.
  • New Jersey
    • Sussex County
      • Franklin Mining District
Van King
 
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