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Carlosturanite

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About CarlosturaniteHide

Carlo Sturani
Formula:
(Mg,Fe,Ti)21(Si,Al)12O28(OH)34•H2O
Colour:
Light brown
Lustre:
Vitreous, Pearly
Hardness:
Specific Gravity:
2.63
Crystal System:
Monoclinic
Name:
Named in honor of Carlo Sturani (1938 - 20 December 1976, Alba, Italy), Professor of Geology at the University of Torino, Torino, Italy.

Classification of CarlosturaniteHide

Approved
Approval Year:
1984
First Published:
1985
Approval History:
IMA1984-009
8/H.27-190
9.DJ.25

9 : SILICATES (Germanates)
D : Inosilicates
J : Inosilicates with 4-periodic double and triple chains
67.1.2.1

67 : INOSILICATES Unbranched Chains with W > 2
1 : Unbranched Chains with W>2 with W=3
16.14.11

16 : Silicates Containing Aluminum and other Metals
14 : Aluminosilicates of Ti, Zr, Sn and Pb

Physical Properties of CarlosturaniteHide

Vitreous, Pearly
Transparency:
Transparent
Colour:
Light brown
Streak:
Whitish
Hardness:
2½ on Mohs scale
Tenacity:
Flexible
Cleavage:
Very Good
{001}
Parting:
{010}
Density:
2.63 g/cm3 (Measured)    2.606 g/cm3 (Calculated)

Optical Data of CarlosturaniteHide

Type:
Biaxial
Dispersion:
r > v

Chemical Properties of CarlosturaniteHide

Formula:
(Mg,Fe,Ti)21(Si,Al)12O28(OH)34•H2O
IMA Formula:
(Mg,Fe2+,Ti)21(Si,Al)12O28(OH)34 · H2O
Common Impurities:
Mn,Cr

Crystallography of CarlosturaniteHide

Crystal System:
Monoclinic
Cell Parameters:
a = 36.7 Å, b = 9.41 Å, c = 7.29 Å
β = 101.1°
Ratio:
a:b:c = 3.9 : 1 : 0.775
Unit Cell V:
2,470.48 ų (Calculated from Unit Cell)

X-Ray Powder DiffractionHide

Powder Diffraction Data:
d-spacingIntensity
18.02 (25)
7.17 (100)
3.637 (20)
3.595 (45)
3.397 (55)
2.562 (40)
2.280 (35)

Type Occurrence of CarlosturaniteHide

Place of Conservation of Type Material:
Regional Science Museum, Torino, Italy.
Natural History Museum, Vienna, Austria, L9493.
National Museum of Natural History, Washington, D.C., USA, 162683.
Reference:
Compagnoni, R., Ferraris, G., Mellini, M. (1985) Carlosturanite, a new asbestiform rock-forming silicate from Val Varaita, Italy. American Mineralogist: 70: 767-772.

Synonyms of CarlosturaniteHide

Other Language Names for CarlosturaniteHide

Related Minerals - Nickel-Strunz GroupingHide

9.DJ.05NarsarsukiteNa4(Ti,Fe)2[Si8O20](O,OH,F)2Tet.
9.DJ.10Laplandite-(Ce)Na4CeTiPO4Si7O18 · 5H2O
9.DJ.15Caysichite-(Y)Ca2Y2Si4O10(CO3)3 · 4H2OOrth. mm2
9.DJ.20Seidite-(Ce)Na4(Ce,Sr)2Ti[(O,OH,F)5|Si8O18(OH)] · 5H2OMon.
9.DJ.30JonesiteBa4(K,Na)2Ti4Al2(Si3O9)2(SiO4)4O2 · 6H2OOrth.

Related Minerals - Hey's Chemical Index of Minerals GroupingHide

16.14.1ZoriteNa8(Ti,Nb)5(Si6O17)2(OH,O)5 · 14H2OOrth.
16.14.2VinogradoviteNa4Ti4(Si2O6)2[(Si,Al)4O10]O4 · (H2O,Na,K)3Mon. 2/m : B2/b
16.14.3RhöniteCa2(Mg,Fe2+,Fe3+,Ti)6[O2|(Si,Al)6O18]Tric. 1 : P1
16.14.4Kaersutite{Na}{Ca2}{Mg3AlTi}(Al2Si6O22)O2 Mon.
16.14.5Ferro-kaersutite{Na}{Ca2}{Fe2+3AlTi}(Al2Si6O22)O2Mon.
16.14.6JonesiteBa4(K,Na)2Ti4Al2(Si3O9)2(SiO4)4O2 · 6H2OOrth.
16.14.7Lourenswalsite(K,Ba)2(Ti,Mg,Ca,Fe)4(Si,Al,Fe)6O14(OH)12Hex.
16.14.8Labuntsovite-MnNa4K4(Ba,K)2Mn2+(Ti,Nb)8(Si4O12)4(O,OH)8 · 10-12H2OMon.
16.14.9KimzeyiteCa3(Zr,Ti)2((Si,Al,Fe3+)O4)3Iso.
16.14.10EllenbergeriteMg6(Mg,Ti,Zr,◻)2(Al,Mg)6Si8O28(OH)10Hex.
16.14.12EakeriteCa2SnAl2Si6O18(OH)2 · 2H2OMon.
16.14.13PlumalsitePb4Al2(SiO3)7
16.14.14WickenburgiteCaPb3Al2Si10O24(OH)6Trig. 3m : P3 1c
16.14.15MaricopaitePb7Ca2(Si,Al)48O100 · 32H2OOrth.
16.14.16Hancockite{CaPb}{Al2Fe3+}(Si2O7)(SiO4)O(OH)Mon.
16.14.17BurckhardtitePb2(Fe3+Te6+)[AlSi3O8]O6Trig. 3m (3 2/m) : P3 1m
16.14.18MathewrogersitePb7FeAl3GeSi12O36(OH,H2O)6Trig.

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 CarlosturaniteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Compagnoni, R., Ferraris, G., Mellini, M. (1985) Carlosturanite, a new asbestiform rock-forming silicate from Val Varaita, Italy. American Mineralogist: 70: 767-772.
Mellini, M., Ferraris, G., Compagnoni, R. (1985) Carlosturanite: HRTEM evidence of a polysomatic series including serpentine. American Mineralogist: 70: 773-781.
Belluso, E., Ferraris, G. (1991) New data on balangeroite and carlosturanite from alpine serpentinites. European Journal of Mineralogy: 3: 559-566.
Belluso, E., Fornero, E., Cairo, S., Albertazzi, G., Rinaudo, C. (2007) The application of micro-Raman spectroscopy to distinguish carlosturanite from serpentine-group minerals. The Canadian Mineralogist: 45: 1495-1500.

Internet Links for CarlosturaniteHide

Localities for CarlosturaniteHide

ⓘ - 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
    • Cuneo Province
      • Maira Valley
        • Stroppo
Belluso, E., Ferraris, G. (1991) New data on balangeroite and carlosturanite from alpine serpentinites. European Journal of Mineralogy, 3, 559-566.
      • Po Valley
        • Crissolo
          • Pian Melzé (Pian della Regina)
Piccoli, G.C., Maletto, G., Bosio, P., Lombardo, B. (2007): Minerali del Piemonte e della Valle d'Aosta. Associazione Amici del Museo "F. Eusebio" Alba, Ed., Alba (Cuneo) 607 pp.
      • Varaita Valley
Handbook of Mineralogy; http://www.handbookofmineralogy.org/pdfs/carlosturanite.pdf with reference to the article by Belluso & Ferraris (1991).
Belluso, E., Ferraris, G. (1991) New data on balangeroite and carlosturanite from alpine serpentinites. European Journal of Mineralogy, 3, 559-566; Groppo, C., Compagnoni, R. (2007) Metamorphic veins from the serpentinites of the Piemonte Zone, western Alps, Italy: a review. Periodico di Mineralogia, 76, 127-153.
Belluso, E., Ferraris, G. (1991) New data on balangeroite and carlosturanite from alpine serpentinites. European Journal of Mineralogy, 3, 559-566; Groppo, C., Compagnoni, R. (2007) Metamorphic veins from the serpentinites of the Piemonte Zone, western Alps, Italy: a review. Periodico di Mineralogia, 76, 127-153.
        • Sampeyre
Compagnoni, R., Ferraris, G., Mellini, M. (1985) Carlosturanite, a new asbestiform rock-forming silicate from Val Varaita, Italy. American Mineralogist, 70, 767-772.
Belluso, E., Ferraris, G. (1991) New data on balangeroite and carlosturanite from alpine serpentinites. European Journal of Mineralogy, 3, 559-566; Groppo, C., Compagnoni, R. (2007) Metamorphic veins from the serpentinites of the Piemonte Zone, western Alps, Italy: a review. Periodico di Mineralogia, 76, 127-153.
Belluso, E., Ferraris, G. (1991) New data on balangeroite and carlosturanite from alpine serpentinites. European Journal of Mineralogy, 3, 559-566; Groppo, C., Compagnoni, R., (2007) Metamorphic veins from the serpentinites of the Piemonte Zone, western Alps, Italy: a review. Periodico di Mineralogia, 76, 127-153.
Claus Hedegaard Collection; Belluso, E., Ferraris, G. (1991) New data on balangeroite and carlosturanite from alpine serpentinites. European Journal of Mineralogy, 3, 559-566; Groppo, C., Compagnoni, R., (2007) Metamorphic veins from the serpentinites of the Piemonte Zone, western Alps, Italy: a review. Periodico di Mineralogia, 76, 127-153.
Belluso, E., Ferraris, G. (1991) New data on balangeroite and carlosturanite from alpine serpentinites. European Journal of Mineralogy, 3, 559-566; Groppo, C., Compagnoni, R. (2007) Metamorphic veins from the serpentinites of the Piemonte Zone, western Alps, Italy: a review. Periodico di Mineralogia, 76, 127-153.
Belluso, E., Ferraris, G. (1991) New data on balangeroite and carlosturanite from alpine serpentinites. European Journal of Mineralogy, 3, 559-566; Groppo, C., Compagnoni, R. (2007) Metamorphic veins from the serpentinites of the Piemonte Zone, western Alps, Italy: a review. Periodico di Mineralogia, 76, 127-153.
    • Torino Province
      • Lanzo Valleys
- Belluso, E., Compagnoni, R., Ferraris, G. (1995): Occurrence of asbestiform minerals in the serpentinites of the Piemonte zone, western Alps. “Giornata di studio in ricordo del Prof. Stefano Zucchetti”, Politecnico di Torino, Dipartimento Georisorse e Territorio, 12 Maggio 1994. Contribution volume, Tipolitografia Edicta, Torino, 57-66.
        • Viù Valley
          • Viù
Piccoli, G.C., Maletto, G., Bosio, P., Lombardo, B. (2007): Minerali del Piemonte e della Valle d'Aosta. Associazione Amici del Museo "F. Eusebio" Alba, Ed., Alba (Cuneo) 607 pp.
- Belluso, E., Compagnoni, R., Ferraris, G. (1995): Occurrence of asbestiform minerals in the serpentinites of the Piemonte zone, western Alps. “Giornata di studio in ricordo del Prof. Stefano Zucchetti”, Politecnico di Torino, Dipartimento Georisorse e Territorio, 12 Maggio 1994. Contribution volume, Tipolitografia Edicta, Torino, 57-66.
- Belluso, E., Compagnoni, R., Ferraris, G. (1995): Occurrence of asbestiform minerals in the serpentinites of the Piemonte zone, western Alps. “Giornata di studio in ricordo del Prof. Stefano Zucchetti”, Politecnico di Torino, Dipartimento Georisorse e Territorio, 12 Maggio 1994. Contribution volume, Tipolitografia Edicta, Torino, 57-66.
      • Susa Valley
        • Cesana Torinese
Belluso, E., Compagnoni, R., Ferraris, G. (1995): Occurrence of asbestiform minerals in the serpentinites of the Piemonte zone, western Alps. “Giornata di studio in ricordo del Prof. Stefano Zucchetti”, Politecnico di Torino, Dipartimento Georisorse e Territorio, 12 Maggio 1994. Contribution volume, Tipolitografia Edicta, Torino, 57-66.
Sweden
 
  • Småland
    • Jönköping
      • Månsarp
MinMag (1986) 50, 675-679
Mineral and/or Locality  
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