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Scandiobabingtonite

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Formula:
Ca2(Fe2+,Mn)ScSi5O14(OH)
Colour:
Colourless, pale grey-green, ligth green
Lustre:
Vitreous
Hardness:
6
Specific Gravity:
3.24
Crystal System:
Triclinic
Member of:
Name:
The name reflects its composition, as the scandium analogue of Babingtonite.
This page provides mineralogical data about Scandiobabingtonite.


Hide all sections | Show all sections

Classification of ScandiobabingtoniteHide

Approved
Approval Year:
1993
First Published:
1998
9.DK.05

9 : SILICATES (Germanates)
D : Inosilicates
K : Inosilicates with 5-periodic single chains

Physical Properties of ScandiobabingtoniteHide

Vitreous
Transparency:
Transparent
Colour:
Colourless, pale grey-green, ligth green
Hardness:
Tenacity:
Brittle
Cleavage:
Perfect
after {001} and {1-10}
Density:
3.24 g/cm3 (Measured)    3.22 g/cm3 (Calculated)
Comment:
The calculated density is given for the Sc endmember

Optical Data of ScandiobabingtoniteHide

Type:
Biaxial (+)
RI values:
nα = 1.686 nβ = 1.694 nγ = 1.709
Max Birefringence:
δ = 0.023
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Surface Relief:
High
Dispersion:
r > v, strong
Pleochroism:
Strong
Comments:
With colors from pink (f') to green (a').

Chemical Properties of ScandiobabingtoniteHide

Formula:
Ca2(Fe2+,Mn)ScSi5O14(OH)
IMA Formula:
(Ca,Na)2(Fe2+,Mn)(Sc,Fe3+)Si5O14(OH)

Chemical AnalysisHide

Oxide wt%:
 12
CaO18.74 %17.33 %
MgO0.19 % %
MnO2.83 %4.11 %
FeO9.20 %8.93 %
Fe2O30.64 % %
Sc2O311.06 %11.32 %
SiO252.27 %55.26 %
H2O1.55 %1.63 %
SnO2 %1.21 %
Na2O %1.40 %
Total:96.48 %101.19 %
Empirical formulas:
Sample IDEmpirical Formula
1Ca1.94(Fe+20.74Mn0.231.00(Sc0.93Fe3+0.050.98Si5.06O14(OH)
2(Ca1.71Na0.251.96(Fe2+0.65Mn0.320.97(Sc0.91Sn0.04Fe3+0.030.98Si5.09O14.00(OH)1.00

Crystallography of ScandiobabingtoniteHide

Crystal System:
Triclinic
Cell Parameters:
a = 7.536(2) Å, b = 11.73(2) Å, c = 6.14(2) Å
α = 91.70(2)°, β = 93.86(2)°, γ = 104.53(2)°
Ratio:
a:b:c = 0.642 : 1 : 0.523
Unit Cell V:
523.60 ų (Calculated from Unit Cell)
Morphology:
Short, prismatic crystals, slightly elongated on [001]. Forms observed: {010}, {001}, {110}, {1-10}, and {101}
Comment:
Spacegroup P-1 or P1
Epitaxi Comments:
Platy crystals forming a thin rim around green-black prismatic crystals of babingtonite (Seula Mine)

X-Ray Powder DiffractionHide

Powder Diffraction Data:
d-spacingIntensity
2.969 (S)
2.895(S)
3.14 (mS)
2.755 (mS)

Type Occurrence of ScandiobabingtoniteHide

Empirical Formula of Type Material:
(Ca1.71Na0.251.96(Fe2+0.65Mn0.320.97(Sc0.91Sn0.04Fe3+0.030.98Si5.09O14.00(OH)1.00
Associated Minerals at Type Locality:
Reference:
Orlandi, P., Pasero, M., Vezzalini, G. (1998) Scandiobabingtonite, a new mineral from the Baveno pegmatite, Piedmont, Italy. American Mineralogist: 83: 1330-1334

Synonyms of ScandiobabingtoniteHide

Other Language Names for ScandiobabingtoniteHide

Relationship of Scandiobabingtonite to other SpeciesHide

Member of:
Other Members of this group:
BabingtoniteCa2(Fe,Mn)FeSi5O14(OH)Tric. 1 : P1
FerrorhodoniteCaMn3Fe(Si5O15)Tric. 1
LithiomarsturiteLiCa2Mn2Si5O14(OH)Tric.
ManganbabingtoniteCa2(Mn,Fe)FeSi5O14(OH)Tric.
MarsturiteNaCaMn3Si5O14(OH)Tric. 1 : P1
Nambulite(Li,Na)Mn4Si5O14(OH)Tric.
Natronambulite(Na,Li)(Mn,Ca)4Si5O14OHTric.
RhodoniteCaMn3Mn(Si5O15)Tric. 1

Common AssociatesHide

Associated Minerals Based on Photo Data:
Cascandite4 photos of Scandiobabingtonite associated with Cascandite on mindat.org.
Kristiansenite3 photos of Scandiobabingtonite associated with Kristiansenite on mindat.org.
Albite1 photo of Scandiobabingtonite associated with Albite on mindat.org.
Quartz1 photo of Scandiobabingtonite associated with Quartz on mindat.org.
Stilpnomelane1 photo of Scandiobabingtonite associated with Stilpnomelane on mindat.org.

Related Minerals - Nickel-Strunz GroupingHide

9.DK.05BabingtoniteCa2(Fe,Mn)FeSi5O14(OH)Tric. 1 : P1
9.DK.05LithiomarsturiteLiCa2Mn2Si5O14(OH)Tric.
9.DK.05ManganbabingtoniteCa2(Mn,Fe)FeSi5O14(OH)Tric.
9.DK.05MarsturiteNaCaMn3Si5O14(OH)Tric. 1 : P1
9.DK.05Nambulite(Li,Na)Mn4Si5O14(OH)Tric.
9.DK.05Natronambulite(Na,Li)(Mn,Ca)4Si5O14OHTric.
9.DK.05RhodoniteCaMn3Mn(Si5O15)Tric. 1
9.DK.05FowleriteCaMn3Mn(Si5O15)
9.DK.10SantaclaraiteCaMn4[Si5O14OH](OH) · H2OTric.
9.DK.15SaneroiteNaMn2+5[Si5O14(OH)](VO3)(OH)Tric.
9.DK.20Hellandite-(Y)(Ca,REE)4Y2Al◻2(B4Si4O22) (OH)2Mon.
9.DK.20Tadzhikite-(Ce)Ca4Ce3+2Ti◻(B4Si4O22)(OH)2Mon.
9.DK.20Mottanaite-(Ce)Ca4(CeCa)AlBe2(Si4B4O22)O2Mon.
9.DK.20CiprianiiteCa4[(Th,U)(REE)]Al◻2(Si4B4O22)(OH,F)2Mon.
9.DK.20Hellandite-(Ce)(Ca,REE)4Ce2Al□2(B4Si4O22) (OH)2

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 ScandiobabingtoniteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Orlandi, P., Pasero, M., Vezzalini, G. (1998) Scandiobabingtonite, a new mineral from the Baveno pegmatite, Piedmont, Italy. American Mineralogist: 83: 1330-1334
Raade, G. & Erambert, M. (1999): An intergrowth of scandiobabingtonite and cascandite from the Heftetjern granite pegmatite, Norway. Neues Jahrbuch für Mineralogie Monatshefte 1999 (12): 545-550

Internet Links for ScandiobabingtoniteHide

Localities for ScandiobabingtoniteHide

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
 
  • Piedmont
    • Verbano-Cusio-Ossola Province
      • Baveno
        • Feriolo
Piccoli, G.C., Maletto, G., Bosio, P., Lombardo, B. (2007): Minerali del Piemonte e della Valle d'Aosta. Associazione Amici del Museo "F. Eusebio" di Alba, Ed., Alba, 607 pp.
        • Oltrefiume
          • Mount Camoscio
Orlandi, P., Pasero, M., Vezzalini, G. (1998) Scandiobabingtonite, a new mineral from the Baveno pegmatite, Piedmont, Italy. American Mineralogist: 83: 1330-1334
Norway
 
  • Telemark
    • Drangedal
      • Tørdal
Raade, G. & Erambert, M. (1999): An intergrowth of scandiobabingtonite and cascandite from the Heftetjern granite pegmatite, Norway. Neues Jahrbuch für Mineralogie Monatshefte 1999 (12):545-550
Mineral and/or Locality  
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