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Stavelotite-(La)

A valid IMA mineral species
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Formula:
(La,Nd,Ca)3Mn2+3Cu(Mn3+,Fe3+,Mn4+)26(Si2O7)6O30
Colour:
Black, reddish brown in transmitted light
Lustre:
Metallic
Specific Gravity:
4.489 (Calculated)
Crystal System:
Trigonal
Name:
For the type locality
Unique combination of elements.


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Unique IdentifiersHide

Mindat ID:
27465
Long-form identifier:
mindat:1:1:27465:6

IMA Classification of Stavelotite-(La)Hide

Classification of Stavelotite-(La)Hide

9.BE.87

9 : SILICATES (Germanates)
B : Sorosilicates
E : Si2O7 groups, with additional anions; cations in octahedral [6] and greater coordination

Mineral SymbolsHide

As of 2021 there are now IMA–CNMNC approved mineral symbols (abbreviations) for each mineral species, useful for tables and diagrams.

SymbolSourceReference for Standard
Svt-LaIMA–CNMNCWarr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43

Physical Properties of Stavelotite-(La)Hide

Metallic
Transparency:
Opaque
Colour:
Black, reddish brown in transmitted light
Cleavage:
None Observed
Density:
4.489 g/cm3 (Calculated)

Optical Data of Stavelotite-(La)Hide

Reflectivity:
WavelengthR1 (%)R2 (%)imR1 (%)imR2 (%)
400nm15.7%16.5%3.6%4.55%
420nm14.6%15.4%3.3%4.2%
440nm14.1%14.9%3.2%4.0%
460nm14.1%14.5%3.05%3.8%
470nm13.6%14.4%3.0%3.7%
480nm13.5%14.3%3.0%3.7%
500nm13.3%14.1%2.9%3.65%
520nm13.2%14.0%2.9%3.6%
540nm13.2%14.0%2.9%3.5%
546nm13.2%13.9%2.9%3.5%
560nm13.1%13.8%2.85%3.5%
580nm13.0%13.7%2.8%3.4%
589nm13.0%13.7%2.8%3.4%
600nm12.9%13.6%2.8%3.35%
620nm12.9%13.5%2.8%3.3%
640nm12.9%13.5%2.7%3.25%
650nm12.8%13.4%2.7%3.2%
660nm12.8%13.4%2.7%3.2%
680nm12.8%13.3%2.7%3.2%
700nm12.8%13.4%2.7%3.2%


Graph shows reflectance levels at different wavelengths (in nm). Peak reflectance is 16.5%.
R1 shown in black, R2 shown in red, imR1 shown in green, imR2 shown in blue
Colour in reflected light:
Grey
Pleochroism:
Weak

Chemistry of Stavelotite-(La)Hide

Mindat Formula:
(La,Nd,Ca)3Mn2+3Cu(Mn3+,Fe3+,Mn4+)26(Si2O7)6O30
Element Weights:
Element% weight
Mn44.722 %
O32.336 %
La11.698 %
Si9.461 %
Cu1.784 %

Calculated from ideal end-member formula.
Mn
O
La
Si
Cu

Crystallography of Stavelotite-(La)Hide

Crystal System:
Trigonal
Class (H-M):
3 - Pyramidal
Space Group:
P31
Cell Parameters:
a = 11.525 Å, c = 33.347 Å
Ratio:
a:c = 1 : 2.893
Unit Cell V:
3836 ų
Z:
3

Crystal StructureHide

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IDSpeciesReferenceLinkYearLocalityPressure (GPa)Temp (K)
0007128Stavelotite-(La)Bernhardt H J, Armbruster T, Fransolet A M, Schreyer W (2005) Stavelotite-(La), a new lanthanum-manganese-sorosilicate mineral from the Stavelot Massif, Belgium European Journal of Mineralogy 17 703-7142005Le Coreux, Salmchateau, Belgium0293
CIF Raw Data - click here to close

X-Ray Powder DiffractionHide

Geological EnvironmentHide

Paragenetic Mode(s):
Paragenetic ModeEarliest Age (Ga)
Near-surface Processes
23 : Subaerial aqueous alteration by non-redox-sensitive fluids (see also #47)

Type Occurrence of Stavelotite-(La)Hide

General Appearance of Type Material:
Roundish to rectangular, generally equidimensional masses of 10–160 µm in diameter.
Place of Conservation of Type Material:
Mineralogical Collection, Institut für Geologie, Mineralogie und Geophysik, Ruhr-Universität Bochum, Germany (#25169).
Geological Setting of Type Material:
Late quartz vein cross-cutting manganiferous phyllites of Ordovician age.
Associated Minerals at Type Locality:

Synonyms of Stavelotite-(La)Hide

Other Language Names for Stavelotite-(La)Hide

Simplified Chinese:硅高低锰铜镧矿
Traditional Chinese:矽高低錳銅鑭礦

Related Minerals - Strunz-mindat GroupingHide

9.BE.ZinkgruvaniteBa4Mn2+4Fe3+2(Si2O7)2(SO4)2O2(OH)2Tric. 1 : P1
9.BE.Calciomurmanite(Na,◻)2Ca(Ti,Mg,Nb)4[Si2O7]2O2(OH,O)2(H2O)4Tric. 1 : P1
9.BE.CámaraiteBa3Na(Fe2+,Mn)8Ti4(Si2O7)4O4(OH,F)7Tric. 1
9.BE.AlfredcaspariteSr2TiO(Si2O7)Tet. 4mm : P4bm
9.BE.Batievaite-(Y)Y2Ca2Ti(Si2O7)2(OH)2(H2O)4Tric. 1 : P1
9.BE.Nacareniobsite-(Y)Na3Ca3YNb(Si2O7)2OF3Mon. 2/m : P21/c
9.BE.Alexkuznetsovite-(Ce)Ce2Mn(CO3)(Si2O7)Mon. 2/m : P21/c
9.BE.BobshannoniteNa2KBa(Mn,Na)8(Nb,Ti)4(Si2O7)4O4(OH)4(O,F)2Tric.
9.BE.ParalomonosoviteNa6◻4Ti4(Si2O7)2[PO3OH][PO2(OH)2]O2(OF)Tric. 1 : P1
9.BE.MadeiraiteNa2Ca2Fe2Zr2(Si2O7)2O2F2Mon. 2/m : P21/c
9.BE.BortolaniteCa2(Ca1.5Zr0.5)Na(NaCa)Ti(Si2O7)2(OF)F2Tric. 1 : P1
9.BE.Longshoushanite-(Ce)Ce4MgAl2Ti2(Si2O7)2O8Mon. 2/m : P21/c
9.BE.MoxuanxueiteNaCa6Zr(Si2O7)2OF3Tric. 1 : P1
9.BE.Delhuyarite-(Ce)Ce4Mg(Fe3+,W)3◻(Si2O7)2O6(OH)2Mon. 2/m : B2/m
9.BE.Christofschäferite-(Ce)Ce3CaMnTiFe3+Ti2(Si2O7)2O8 Mon. 2/m : P21/m
9.BE.XAsimowiteFe2+4O(Si2O7)Orth. mmm(2/m2/m2/m) : Imma
9.BE.Biraite-(La)La2Fe2+(CO3)(Si2O7)Mon. 2/m : P21/c
9.BE.PilanesbergiteNa2Ca2Fe2Ti2(Si2O7)2O2F2Mon. 2/m : P21/c
9.BE.02WadsleyiteMg4O(Si2O7)Orth. mmm(2/m2/m2/m) : Imma
9.BE.02Ohtaniite Mg3(Si0.5◻0.5)Si2O8Orth. mmm(2/m2/m2/m) : Imma
9.BE.05LawsoniteCaAl2(Si2O7)(OH)2 · H2OOrth. mmm(2/m2/m2/m) : Cmcm
9.BE.05HennomartiniteSrMn3+2(Si2O7)(OH)2 · H2OOrth. mmm(2/m2/m2/m) : Cmcm
9.BE.05CortesognoiteCaV2(Si2O7)(OH)2 · H2OOrth. mmm(2/m2/m2/m) : Cmcm
9.BE.05NoelbensoniteBaMn3+2(Si2O7)(OH)2 · H2OOrth. mm2
9.BE.05ItoigawaiteSrAl2(Si2O7)(OH)2 · H2OOrth. mmm(2/m2/m2/m) : Cmcm
9.BE.07IlvaiteCaFe3+Fe2+2(Si2O7)O(OH)Orth. mmm(2/m2/m2/m)
9.BE.07Amamoorite CaMn2+2Mn3+(Si2O7)O(OH)Mon. 2/m : P21/c
9.BE.07ManganilvaiteCaFe2+Fe3+Mn2+(Si2O7)O(OH)Mon. 2/m : P21/c
9.BE.10SuoluniteCa2(H2Si2O7) · H2OOrth. mm2 : Fdd2
9.BE.12JaffeiteCa6(Si2O7)(OH)6Trig. 3 : P3
9.BE.15FresnoiteBa2Ti(Si2O7)OTet. 4mm : P4bm
9.BE.17Janhaugite(Na,Ca)3(Mn2+,Fe2+)3(Ti,Zr,Nb)2(Si2O7)2O2(OH,F)2Mon. 2/m : P21/m
9.BE.17BurpaliteNa2CaZr(Si2O7)F2Mon. 2/m : P21/c
9.BE.17Niocalite(Ca,Nb)4(Si2O7)(O,OH,F)2Mon. m
9.BE.17NormanditeNaCa(Mn,Fe)(Ti,Nb,Zr)(Si2O7)OFMon. 2/m : P21/c
9.BE.17HiortdahliteNa2Ca4(Ca0.5Zr0.5)Zr(Si2O7)2OF3Tric. 1 : P1
9.BE.17LåveniteNa2Ca2Mn2Zr2(Si2O7)2O2F2Mon. 2/m : P21/c
9.BE.17CuspidineCa8(Si2O7)2F4Mon. 2/m : P21/c
9.BE.17WöhleriteNa2Ca4ZrNb(Si2O7)2O3FMon. 2 : P21
9.BE.17BaghdaditeCa6Zr2(Si2O7)2O4Mon. 2/m : P21/c
9.BE.20Nacareniobsite-(Ce)Na3Ca3(Ce,REE)Nb(Si2O7)2OF3Mon. 2/m : P21/c
9.BE.20Roumaite(Ca,Na,REE,◻)7(Nb,Ti)[Si2O7]2OF3Mon. m : Bb
9.BE.20Rinkite-(Ce)(Ca3Ce)Na(NaCa)Ti(Si2O7)2(OF)F2Mon. 2/m : P21/c
9.BE.20Nacareniobsite-(Nd) Ca2(CaNd)Na3Nb(Si2O7)2(OF)F2Mon. 2/m : P21/c
9.BE.20Rinkite-(Y)Na2Ca4YTi(Si2O7)2OF3Mon. 2/m : P21/c
9.BE.20Mosandrite-(Ce)(Ca3REE)[(H2O)2Ca0.5◻0.5]Ti(Si2O7)2(OH)2(H2O)2Mon. 2/m : P21/c
9.BE.22Hainite-(Y)Na2Ca4(Y,REE)Ti(Si2O7)2OF3Tric. 1 : P1
9.BE.22RosenbuschiteNa6Ca6Zr3Ti(Si2O7)4O2F6Tric. 1 : P1
9.BE.22GötzeniteNaCa6Ti(Si2O7)2OF3Tric. 1 : P1
9.BE.22Fogoite-(Y)Na3Ca2Y2Ti(Si2O7)2OF3Tric. 1 : P1
9.BE.22KochiteNa3Ca2MnZrTi(Si2O7)2OF3Tric. 1 : P1
9.BE.23DovyreniteCa6Zr(Si2O7)2(OH)4Orth. mmm(2/m2/m2/m) : Pnnm
9.BE.25Lamprophyllite(Na,Mn2+)3(Sr,Na)2(Ti,Fe3+)3(Si2O7)2O2(OH,O,F)2Mon. 2/m
9.BE.25SeidozeriteNa4MnZr2Ti(Si2O7)2O2F2Mon. 2/m : P2/b
9.BE.25Nabalamprophyllite(BaNa)Ti2Na3Ti(Si2O7)2O2(OH)2Mon. 2/m : P2/c
9.BE.25SchülleriteBa2Na(Mn,Ca)(Fe3+,Mg,Fe2+)2Ti2(Si2O7)2(O,F)4Tric. 1 : P1
9.BE.25EricssoniteBaMn2+2Fe3+(Si2O7)O(OH)Mon. 2/m : B2/m
9.BE.25GrenmariteNa4MnZr3(Si2O7)2O2F2Mon. 2/m : P2/b
9.BE.25KazanskyiteBaNa3Ti2Nb(Si2O7)2O2(OH)2(H2O)4Tric. 1 : P1
9.BE.25SaamiteBa◻Na3Ti2Nb(Si2O7)2O2(OH)F(H2O)2Tric. 1 : P1
9.BE.25EmmerichiteBa2Na(Na,Fe2+)2(Fe3+,Mg)Ti2(Si2O7)2O2F2Mon. 2/m : B2/m
9.BE.25Barytolamprophyllite(Ba,Na)2(Na,Ti,Fe3+)4Ti2(Si2O7)2O(OH,F)Mon.
9.BE.25'Ericssonite-2O'BaMn2+2Fe3+(Si2O7)O(OH)Orth.
9.BE.25Fluorbarytolamprophyllite(Ba,Sr)2[(Na,Fe2+)3(Ti,Mg)F2][Ti2(Si2O7)2O2]Mon. 2/m : B2/m
9.BE.25FluorlamprophylliteNa3(SrNa)Ti3(Si2O7)2O2F2Mon. 2/m : B2/m
9.BE.25LileyiteBa2(Na,Fe,Ca)3MgTi2(Si2O7)2O2F2Mon. 2/m : B2/m
9.BE.27KolskyiteCaNa2Ti4(Si2O7)2O4(H2O)7Tric. 1 : P1
9.BE.27VigrishiniteNaZnTi4(Si2O7)2O3(OH)(H2O)4Tric. 1 : P1
9.BE.27SelivanovaiteNaFe3+Ti4(Si2O7)2O4(H2O)4Tric. 1 : P1
9.BE.27MurmaniteNa2Ti2(Si2O7)O2 · 2H2OTric. 1 : P1
9.BE.30Epistolite(Na◻)Nb2Na3Ti(Si2O7)2O2(OH)2(H2O)4Tric. 1 : P1
9.BE.32LomonosoviteNa5Ti2(Si2O7)(PO4)O2Tric. 1 : P1
9.BE.35VuonnemiteNa11Ti4+Nb2(Si2O7)2(PO4)2O3(F,OH)Tric.
9.BE.37SoboleviteNa13Ca2Mn2Ti3(Si2O7)2(PO4)4O3F3Mon. m : Pb
9.BE.40Ferroinnelite Ba4Ti2Na(NaFe2+)Ti(Si2O7)2[(SO4)(PO4)]O2[O(OH)]Tric. 1 : P1
9.BE.40PhosphoinneliteNa3Ba4Ti3(Si2O7)2(PO4,SO4)2O2FTric.
9.BE.40Innelite Ba4Ti2Na(NaMn2+)Ti(Si2O7)2[(SO4)(PO4)]O2[O(OH)]Tric. 1 : P1
9.BE.42YoshimuraiteBa2Mn2Ti(Si2O7)(PO4)O(OH)Tric. 1 : P1
9.BE.42HoriiteBa2Mn2Mn4Ti2(Si2O7)2(PO4)2O2(OH)2Tric. 1 : P1
9.BE.45QuadruphiteNa6Na2(CaNa)2Na2Ti2Na2Ti2(Si2O7)2(PO4)4O4F2Tric. 1 : P1
9.BE.47PolyphiteNa5(Na4Ca2)Ti2(Si2O7)(PO4)3O2F2Tric. 1 : P1
9.BE.50Shkatulkalite Na2Nb2Na3Ti(Si2O7)2O2(FO)(H2O)4(H2O)3Tric. 1 : P1
9.BE.50BornemaniteNa6BaTi2Nb(Si2O7)2(PO4)O2(OH)FTric. 1 : P1
9.BE.55HejtmaniteBa2Mn2+4Ti2(Si2O7)2O2(OH)2F2Tric. 1
9.BE.55Bykovaite(Ba,Na,K)2(Na,Ti,Mn)4(Ti,Nb)2(Si2O7)2O2(H2O,F,OH)2 · 3.5H2OMon. 2/m
9.BE.55Nechelyustovite(Ba,Sr,K)2(Na,Ti,Mn)4(Ti,Nb)2(Si2O7)2O2(O,H2O,F)2 · 4.5H2OMon. 2/m : B2/m
9.BE.55BafertisiteBa2Fe2+4Ti2(Si2O7)2O2(OH)2F2Tric.
9.BE.60Delindeite(Na,K)2(Ba,Ca)2(Ti,Fe,Al)3(Si2O7)2O2(OH)2 · 2H2OMon. 2/m : B2/m
9.BE.62'Orthochevkinite'(Ce,La,Ca,Na,Th)4(Fe2+,Mg)2(Ti,Fe3+)3Si4O22Orth.
9.BE.62 va'Strontium Perrierite'(Ce,Sr,La,Ca)4Fe2+(Ti,Zr,Fe)2Ti2(Si2O7)2O8
9.BE.62'Chevkinite-(Nd)'(Nd,REE)4(Fe2+,Mg)(Fe2+,Ti,Fe3+)2(Ti,Fe3+)2(Si2O7)2O8 ?
9.BE.62'Perrierite-(Nd)'Nd4MgFe3+2Ti2(Si2O7)2O8 ?
9.BE.65BusseniteNa2Ba2Fe2+Ti(Si2O7)(CO3)(OH)3FTric. 1 : P1
9.BE.67JinshajiangiteBaNaFe2+4Ti2(Si2O7)2O2(OH)2FTric. 1 : P1
9.BE.67PerraultiteBaNaMn2+4Ti2(Si2O7)2O2(OH)2FTric. 1
9.BE.70Dingdaohengite-(Ce)(Ce,La)4Fe2+(Ti,Fe2+,Mg,Fe3+)2Ti2(Si2O7)2O8Mon. 2/m : P21/c
9.BE.70Perrierite-(Ce)Ce4MgFe3+2Ti2(Si2O7)2O8Mon. 2/m : P21/c
9.BE.70Karnasurtite-(Ce)(Ce,La,Th)(Ti,Nb)(Al,Fe)(Si2O7)(OH)4 · 3H2OAmor.
9.BE.70Maoniupingite-(Ce)(Ce,Ca)4(Fe3+,Ti,Fe2+,◻)(Ti,Fe3+,Fe2+,Nb)4(Si2O7)2O8Mon. 2/m : B2/m
9.BE.70MatsubaraiteSr4Ti5(Si2O7)2O8Mon. 2/m : P21/c
9.BE.70RengeiteSr4ZrTi4(Si2O7)2O8Mon. 2/m : P21/c
9.BE.70Polyakovite-(Ce)(Ce,Ca)4(Mg,Fe2+)(Cr3+,Fe3+)2(Ti,Nb)2(Si2O7)2O8Mon. 2/m : B2/m
9.BE.70Hezuolinite(Sr,REE)4Zr(Ti,Fe3+)4(Si2O7)2O8Mon. 2/m : B2/m
9.BE.70'UM2008-53-SiO:SrTiZr'Sr4ZrTi4(Si2O7)2O8Orth. mmm(2/m2/m2/m) : Pbca
9.BE.70Chevkinite-(Ce)Ce4(Ti,Fe2+,Fe3+)5O8(Si2O7)2Mon. 2/m : P21/c
9.BE.70Perrierite-(La)(La,Ce,Ca)4(Fe2+,Mn)(Ti,Fe3+,Al)4[(Si2O7)O4]2Mon. 2/m : P21/c
9.BE.70Strontiochevkinite(Sr,La,Ce,Ca)4Fe2+(Ti,Zr)2Ti2(Si2O7)2O8Mon. 2/m : P21/c
9.BE.72FersmaniteCa4(Na,Ca)4(Ti,Nb)4(Si2O7)2O8F3Tric.
9.BE.75BelkoviteBa3(Nb,Ti)6(Si2O7)2O12Hex. 6m2 : P62m
9.BE.77NasonitePb6Ca4(Si2O7)3Cl2Hex. 6/m : P63/m
9.BE.80MelanotekitePb2Fe3+2(Si2O7)O2Orth. 222 : C2221
9.BE.80KentrolitePb2Mn3+2(Si2O7)O2Orth. mmm(2/m2/m2/m) : Pbcm
9.BE.82Alexkuznetsovite-(La)La2Mn(CO3)(Si2O7)Mon. 2/m : P21/c
9.BE.82TilleyiteCa5(Si2O7)(CO3)2Mon. 2/m : P21/c
9.BE.85KillalaiteCa6.4(H0.6Si2O7)2(OH)2Mon. 2/m : P21/m
9.BE.90Magnesiorowlandite-(Y)Y4(Mg,Fe)(Si2O7)2F2Tric. 1 : P1
9.BE.90Biraite-(Ce)Ce2Fe2+(Si2O7)(CO3)Mon. 2/m : P21/c
9.BE.92Cervandonite-(Ce)(Ce,Nd,La)(Fe3+,Fe2+,Ti,Al)3O2(Si2O7)(As3+O3)(OH)Trig. 3m : R3m
9.BE.92Chirvinskyite(Na,Ca)13(Fe,Mn,◻)2(Ti,Zr)5(Si2O7)4(OH,O)12 · 2H2OTric. 1 : P1
9.BE.95RusinoviteCa10(Si2O7)3Cl2 Orth. mmm(2/m2/m2/m) : Cmcm
9.BE.95BatisiviteBaV3+8Ti6(Si2O7)O22Tric. 1 : P1
9.BE.97Schlüterite-(Y)(Y,REE)2AlSi2O7(OH)2FMon. 2/m : P21/c

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.

Internet Links for Stavelotite-(La)Hide

References for Stavelotite-(La)Hide

Localities for Stavelotite-(La)Hide

Showing 1 localities.

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.
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Locality ListHide

- This locality has map coordinates listed. - This locality has estimated coordinates. ⓘ - Click for references and 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 (e.g. from pseudomorphs).

All localities listed without proper references should be considered as questionable.
Belgium (TL)
 
  • Wallonia
    • Luxembourg
      • Vielsalm
        • Salmchâteau
Bernhardt et al. (2005)
 
and/or  
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