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Gramaccioliite-(Y)

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About Gramaccioliite-(Y)Hide

00073300014946670632387.jpg
Carlo Maria Gramaccioli
Formula:
(Pb,Sr)(Y,Mn)Fe3+2(Ti,Fe3+)18O38
Colour:
black
Lustre:
Greasy, Sub-Metallic
Hardness:
6
Specific Gravity:
4.66
Crystal System:
Trigonal
Name:
Honouring Carlo Maria Gramaccioli (1935-2013), mineral collector and Professor of Physical Chemistry, University of Milan, Italy.
A member of the Crichtonite Group.

The yttrium analogue of senaite and the lead analogue of dessauite.


Classification of Gramaccioliite-(Y)Hide

Approved
Approval Year:
2001
4.CC.40

4 : OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodates)
C : Metal: Oxygen = 2: 3,3: 5, and similar
C : With large and medium-sized cations

Physical Properties of Gramaccioliite-(Y)Hide

Greasy, Sub-Metallic
Transparency:
Opaque
Colour:
black
Streak:
black
Hardness:
Tenacity:
Brittle
Cleavage:
None Observed
Fracture:
Conchoidal
Density:
4.66 g/cm3 (Measured)    

Chemical Properties of Gramaccioliite-(Y)Hide

Formula:
(Pb,Sr)(Y,Mn)Fe3+2(Ti,Fe3+)18O38
IMA Formula:
(Pb,Sr)(Y,Mn)Fe3+2(Ti,Fe3+)18O38

Crystallography of Gramaccioliite-(Y)Hide

Crystal System:
Trigonal
Class (H-M):
3 - Rhombohedral
Cell Parameters:
a = 10.411(3) Å, c = 20.97(3) Å
Ratio:
a:c = 1 : 2.014
Unit Cell V:
1,968.40 ų (Calculated from Unit Cell)
Morphology:
Six-sided tabular crystals (rhombohedral-pseudohexagonal), often with a strongly corroded appearance.
Comment:
Cell refined from powder data; single-crystal data gave smaller parameters, a = 10.383, c = 20.882 Å (Orlandi et al., 1994). REE-rich material from Samos island has a = 9.1814(5) Å and α = 68.820(4)° (hexagonal setting: a = 10.377, c = 20.872 Å) (Theye et al., 2010).

X-Ray Powder DiffractionHide

Powder Diffraction Data:
d-spacingIntensity
3.00 Å(100)
2.89 Å(70)
2.26 Å(70)
1.60 Å(95)

Type Occurrence of Gramaccioliite-(Y)Hide

General Appearance of Type Material:
six-sided tabular crystals to 8 mm across
Geological Setting of Type Material:
mineralized clefts in a biotite-rich granite gneiss
Associated Minerals at Type Locality:

Synonyms of Gramaccioliite-(Y)Hide

Other Language Names for Gramaccioliite-(Y)Hide

Simplified Chinese:铅钇铁钛矿
Traditional Chinese:鉛釔鐵鈦礦

Relationship of Gramaccioliite-(Y) to other SpeciesHide

Other Members of this group:
AlmeidaitePbZn2(Mn,Y)(Ti,Fe3+)18O37(OH,O)Trig. 3 : R3
Cleusonite(Pb,Sr)(U4+,U6+)(Fe2+,Zn)2(Ti,Fe2+,Fe3+)18(O,OH)38Trig. 3 : R3
CrichtoniteSr(Mn,Y,U)Fe2(Ti,Fe,Cr,V)18(O,OH)38Trig. 3 : R3
Davidite-(Ce)Ce(Y,U)Fe2(Ti,Fe,Cr,V)18(O,OH,F)38Trig. 3 : R3
Davidite-(La)La(Y,U)Fe2(Ti,Fe,Cr,V)18(O,OH,F)38Trig.
Davidite-(Y)(La,Ce,Na,Ca,Pb)(Y,Fe2+,◻)(Fe2+,Mn2+)2(Ti,Fe3+,Nb,Zr)18O38 (hypothetical)Trig.
Dessauite-(Y)(Sr,Pb)(Y,U)(Ti,Fe3+)20O38Trig. 3 : R3
LandauiteNaMnZn2(Ti,Fe)6Ti12O38Trig. 3 : R3
Lindsleyite(Ba,Sr)(Zr,Ca)(Fe,Mg)2(Ti,Cr,Fe)18O38Trig.
Loveringite(Ca,Ce,La)(Zr,Fe)(Mg,Fe)2(Ti,Fe,Cr,Al)18O38Trig.
Mapiquiroite(Sr,Pb)(U,Y)Fe2(Ti,Fe3+,Cr3+)18O38Trig. 3 : R3
Mathiasite(K, Ba, Sr)(Zr, Fe)(Mg,Fe)2 (Ti,Cr,Fe)18O38Trig.
Mianningite(◻,Pb,Ce,Na)(U4+,Mn,U6+)Fe3+2 (Ti,Fe3+)18O38Trig. 3 : R3
PaseroitePbMn2+(Mn2+,Fe3+)2(V5+,Ti,◻)18O38Trig. 3 : R3
SenaitePb(Mn,Y,U)(Fe,Zn)2(Ti,Fe,Cr,V)18(O,OH)38Trig.
UM1987-03-O:FePbTiU~(U,Pb)(Ti,Fe3+,Fe2+,Mn)21O38Trig. 3 : R3
Unnamed (HBU UK-4)NaFe2+Zn2(Ti,Fe3+,Nb)6Ti12O38Trig. 3 : R3

Common AssociatesHide

Associated Minerals Based on Photo Data:
3 photos of Gramaccioliite-(Y) associated with RutileTiO2
2 photos of Gramaccioliite-(Y) associated with QuartzSiO2
2 photos of Gramaccioliite-(Y) associated with MuscoviteKAl2(AlSi3O10)(OH)2
1 photo of Gramaccioliite-(Y) associated with Xenotime-(Y)Y(PO4)

Related Minerals - Nickel-Strunz GroupingHide

4.CC.AllendeiteSc4Zr3O12Trig. 3 : R3
4.CC.BitikleiteCa3SbSn(AlO4)3Iso. m3m (4/m 3 2/m) : Ia3d
4.CC.Yttriaite-(Y)Y2O3Iso.
4.CC.Anzaite-(Ce)Ce3+ 4Fe2+Ti6O18 (OH)2Mon. 2/m : B2/m
4.CC.05ChrombismiteBi16CrO27Tet.
4.CC.10FreudenbergiteNa2(Ti,Fe)8O16Mon.
4.CC.15GrossiteCaAl4O7Mon. 2/m : B2/b
4.CC.20ChlormayeniteCa12Al14O32[◻4Cl2]Iso. 4 3m : I4 3d
4.CC.25YafsoaniteCa3Zn3(TeO6)2Iso. m3 (2/m 3)
4.CC.30LatrappiteCa2NbFe3+O6Orth. mmm (2/m 2/m 2/m) : Pnma
4.CC.30LueshiteNaNbO3Orth. mmm (2/m 2/m 2/m)
4.CC.30NatroniobiteNaNbO3Mon.
4.CC.30PerovskiteCaTiO3Orth. mmm (2/m 2/m 2/m) : Pnma
4.CC.30BarioperovskiteBaTiO3Orth. mm2 : Amm2
4.CC.30LakargiiteCa(Zr,Sn,Ti)O3Orth. mmm (2/m 2/m 2/m) : Pnma
4.CC.30MegawiteCaSnO3Orth. mmm (2/m 2/m 2/m) : Pban
4.CC.35Loparite-(Ce)(Na,REE)Ti2O6Iso. m3m (4/m 3 2/m)
4.CC.35MacedonitePbTiO3Tet. 4/mmm (4/m 2/m 2/m) : P4/nmm
4.CC.35TausoniteSrTiO3Iso. 4 3m
4.CC.35Isolueshite(Na,La)NbO3Iso. m3m (4/m 3 2/m) : Pm3m
4.CC.40CrichtoniteSr(Mn,Y,U)Fe2(Ti,Fe,Cr,V)18(O,OH)38Trig. 3 : R3
4.CC.40Davidite-(Ce)Ce(Y,U)Fe2(Ti,Fe,Cr,V)18(O,OH,F)38Trig. 3 : R3
4.CC.40Davidite-(La)La(Y,U)Fe2(Ti,Fe,Cr,V)18(O,OH,F)38Trig.
4.CC.40Davidite-(Y)(La,Ce,Na,Ca,Pb)(Y,Fe2+,◻)(Fe2+,Mn2+)2(Ti,Fe3+,Nb,Zr)18O38 (hypothetical)Trig.
4.CC.40LandauiteNaMnZn2(Ti,Fe)6Ti12O38Trig. 3 : R3
4.CC.40Lindsleyite(Ba,Sr)(Zr,Ca)(Fe,Mg)2(Ti,Cr,Fe)18O38Trig.
4.CC.40Loveringite(Ca,Ce,La)(Zr,Fe)(Mg,Fe)2(Ti,Fe,Cr,Al)18O38Trig.
4.CC.40Mathiasite(K, Ba, Sr)(Zr, Fe)(Mg,Fe)2 (Ti,Cr,Fe)18O38Trig.
4.CC.40SenaitePb(Mn,Y,U)(Fe,Zn)2(Ti,Fe,Cr,V)18(O,OH)38Trig.
4.CC.40Dessauite-(Y)(Sr,Pb)(Y,U)(Ti,Fe3+)20O38Trig. 3 : R3
4.CC.40Cleusonite(Pb,Sr)(U4+,U6+)(Fe2+,Zn)2(Ti,Fe2+,Fe3+)18(O,OH)38Trig. 3 : R3
4.CC.45DiaoyudaoiteNaAl11O17Hex.
4.CC.45HawthorneiteBaMgTi3Cr4Fe2+2Fe3+2O19Hex. 6/mmm (6/m 2/m 2/m) : P63/mmc
4.CC.45HiboniteCaAl12O19Hex.
4.CC.45LindqvistitePb2Mn2+Fe16O27Hex.
4.CC.45Magnetoplumbite(Pb,Mn)(Fe,Mn)12O19Hex. 6/mmm (6/m 2/m 2/m) : P63/mmc
4.CC.45PlumboferritePb2(Fe3+,Mn2+,Mg)11O19Trig. 3 2 : P3 1 2
4.CC.45YimengiteK(Cr,Ti,Fe,Mg)12O19Hex.
4.CC.45HaggertyiteBaFe2+4Fe3+2Ti5MgO19Hex. 6/mmm (6/m 2/m 2/m) : P63/mmc
4.CC.45NežilovitePbZn2Mn4+2Fe3+8O19Hex. 6/mmm (6/m 2/m 2/m) : P63/mmc
4.CC.45BatiferriteBaTi2Fe3+8Fe2+2O19Hex.
4.CC.45Hibonite-(Fe)FeAl12O19Hex. 6/mmm (6/m 2/m 2/m) : P63/mmc
4.CC.45BarioferriteBaFe3+12O19Hex. 6/mmm (6/m 2/m 2/m) : P63/mmc
4.CC.50Jeppeite(K,Ba)2(Ti,Fe)6O13Mon.
4.CC.55ZenzénitePb3Fe4Mn3O15Hex.
4.CC.60Mengxianminite (of Huang et al.)(Ca,Na)3(Fe,Mn)2Mg2(Sn,Zn)5Al8O29

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 Gramaccioliite-(Y)Hide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Piccoli, G.C. (1981): Davidite di Pianche di Vinadio (CN). Prima segnalazione. Rivista Mineralogica Italiana, 1981, 19-22.
Orlandi, P., Pasero, M., Rotiroti, N., Olmi, F., Demartin, F., Moëlo, Y. (2004): Gramaccioliite-(Y), a new mineral of the crichtonite group from Stura Valley, Piedmont, Italy. European Journal of Mineralogy, 16, 171-175.
Orlandi, P. & Piccoli, G.C. (2004): Gramaccioliite-(Y) un nuovo minerale alpino del gruppo della crichtonite. Rivista Mineralogica Italiana, 1/2004, 16-17.
Theye, T.; Hatert, F.; Ockenga, E.; Bertoldi, C.; Lathe, C. (2010): Gramaccioliite-(Y): paragenesis chemistry, and structure in a new occurrence, Samos Island, Greece. European Journal of Mineralogy, 22, 443-452.

Internet Links for Gramaccioliite-(Y)Hide

Localities for Gramaccioliite-(Y)Hide

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.
Austria
 
  • Salzburg
    • Zell am See District
      • Rauris
Kolitsch, U. & Putz, H. (2018): 2079) Mn-reicher Gramaccioliit-(Y) aus den Rauriser Plattenbrüchen im Hüttwinkltal, Rauriser Tal, Salzburg. Pp. 215-216 in Walter, F. et al. (2018): Neue Mineralfunde aus Österreich LXVII. Carinthia II, 208./128., 185-254.
Greece
 
  • North Aegean
    • Samos
Theye, T., Hatert, F., Ockenga, E., Bertoldi, C., Lathe, C. (2010): Gramaccioliite-(Y): paragenesis chemistry, and structure in a new occurrence, Samos Island, Greece. European Journal of Mineralogy, 22, 443-452.
Italy (TL)
 
  • Piedmont
    • Cuneo Province
      • Sambuco
Orlandi, P., Pasero, M., Rotiroti, N., Olmi, F., Demartin, F., Moëlo, Y. (2004): Gramaccioliite-(Y), a new mineral of the crichtonite group from Stura Valley, Piedmont, Italy. European Journal of Mineralogy, 16, 171-175.; P. Orlandi, G.C. Piccoli: Riv. Mineral. Ital. 28(1):16-18 (2004)
    • Verbano-Cusio-Ossola Province
      • Baceno
        • Devero Alp
Matteo Chinellato Collection
      • Formazza
        • Vallone del Vannino
Cuchet, S., Crumbach, M. and van der Burgt, A. (2014): Das Binntal enthüllt ein grosses Geheimnis. Schweizer Strahler 48 (2), 2-55 (in German and French).
      • Varzo
Cuchet, S., Crumbach, M., and van der Burgt, A. (2016) Le allaniti e i minerali di terre rare dell'Alpe Veglia (Varzo, Verbano-Cusio-Ossola). Rivista Mineralogica Italiana, 40, 4 (4-2016), 212-241.
Switzerland
 
  • Bern
    • Hasli Valley
Ruef, A. Senait-Kristalle aus dem Oberaar.Schweizer Strahler 11/3, 1997
  • Valais
    • Goms
      • Binn
Cuchet, S., Crumbach, M. and van der Burgt, A. (2014): Das Binntal enthüllt ein grosses Geheimnis. Schweizer Strahler 48 (2), 2-55 (in German and French)
    • Östlich Raron
      • Grengiols
        • Chummibort
Cuchet, S., Crumbach, M. and van der Burgt, A. (2014): Das Binntal enthüllt ein grosses Geheimnis. Schweizer Strahler 48 (2), 2-55 (in German and French)
 
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