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Vertumnite

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Vertumnus
Formula:
Ca4Al4Si4O6(OH)24 · 3H2O
Colour:
Colourless, green
Lustre:
Vitreous
Hardness:
5
Specific Gravity:
2.15
Crystal System:
Monoclinic
Name:
From “Vertumnus” an Etruscan goddess adopted lately by Romans. It was a "rural" goddess of “mutation” and the protector of the evolution of fruit towards maturity.
This page provides mineralogical data about Vertumnite.


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Classification of VertumniteHide

Approved
Approval Year:
1975
9.EG.25

9 : SILICATES (Germanates)
E : Phyllosilicates
G : Double nets with 6-membered and larger rings
73.1.6.1

73 : PHYLLOSILICATES Condensed Tetrahedral Sheets
1 : Condensed Tetrahedral Sheets with double layers
16.9.21

16 : Silicates Containing Aluminum and other Metals
9 : Aluminosilicates of Ca

Physical Properties of VertumniteHide

Vitreous
Transparency:
Transparent
Colour:
Colourless, green
Hardness:
Tenacity:
Very brittle
Density:
2.15(4) g/cm3 (Measured)    2.15 g/cm3 (Calculated)

Optical Data of VertumniteHide

Type:
Biaxial (-)
RI values:
nα = 1.531 nβ = 1.535 nγ = 1.541
2V:
Measured: 62° , Calculated: 80°
Max Birefringence:
δ = 0.010
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Surface Relief:
Low
Dispersion:
r < v moderate
Comments:
Rarely uniaxial -

Chemical Properties of VertumniteHide

Formula:
Ca4Al4Si4O6(OH)24 · 3H2O
Common Impurities:
Sr,Ba,Na,K,P

Crystallography of VertumniteHide

Crystal System:
Monoclinic
Class (H-M):
2/m - Prismatic
Space Group:
P21/m
Setting:
P1 1 21/m
Cell Parameters:
a = 5.744(5) Å, b = 5.766(5) Å, c = 25.120(1) Å
γ = 119.72(5)°
Ratio:
a:b:c = 0.996 : 1 : 4.357

Warning: deg2rad() expects parameter 1 to be float, string given in /home/mindat/www/include.php on line 8881
Unit Cell V:
0.00 ų (Calculated from Unit Cell)
Z:
2
Morphology:
Flattened hexagonal prisms
Twinning:
Cyclic contact plane parallel to {001}, common
Comment:
Strongly pseudohexagonal (a = 5.75 Å, c = 25.1 Å).

Type Occurrence of VertumniteHide

Place of Conservation of Type Material:
Municipal Museum of natural history, Milan, Italy
Geological Setting of Type Material:
Cavity in a phonolite
Associated Minerals at Type Locality:

Synonyms of VertumniteHide

Other Language Names for VertumniteHide

Related Minerals - Nickel-Strunz GroupingHide

9.EG.05CymriteBaAl2Si2(O,OH)8 · H2OMon.
9.EG.10Naujakasite(Na,K)6(Fe2+,Mn2+,Ca)(Al,Fe)4Si8O26Mon. 2/m : B2/m
9.EG.10ManganonaujakasiteNa6(Mn2+,Fe2+)Al4Si8O26Mon.
9.EG.15DmisteinbergiteCa(Al2Si2O8)Hex. 6/mmm (6/m 2/m 2/m) : P6/mmm
9.EG.20KampfiteBa12(Si11Al5)O31(CO3)8Cl5Mon. m
9.EG.25SträtlingiteCa2Al2SiO7 · 8H2OTrig.
9.EG.30Eggletonite(Na,K,Ca)2(Mn,Fe)8(Si,Al)12O29(OH)7 · 11H2OMon.
9.EG.30Ganophyllite(K,Na,Ca)2Mn8(Si,Al)12(O,OH)32 · 8H2OMon.
9.EG.30Tamaite(Ca,K,Ba,Na)3-4Mn24(Si,Al)40(O,OH)112 · 21H2OMon.
9.EG.35CoombsiteK(Mn,Fe,Mg)13(Si,Al)18O42(OH)14Trig.
9.EG.35ZussmaniteK(Fe,Mg,Mn)13(Si,Al)18O42(OH)14Trig. 3 : R3
9.EG.40Franklinphilite(K,Na)4(Mn2+,Mg,Zn)48(Si,Al)72(O,OH)216 · 6H2OTric.
9.EG.40LennilenapeiteK6-7(Mg,Mn,Fe,Zn)48(Si,Al)72(O,OH)216 · 16H2OTric.
9.EG.40Parsettensite(K,Na,Ca)7.5(Mn,Mg)49Si72O168(OH)50 · nH2OMon. 2/m : B2/m
9.EG.40Stilpnomelane(K,Ca,Na)(Fe,Mg,Al)8(Si,Al)12(O,OH)36 · nH2OTric. 1 : P1
9.EG.45Latiumite(Ca,K)4(Si,Al)5O11(SO4,CO3)Mon.
9.EG.45Tuscanite(K(Ca,Na)6(Si,Al)10O22[SO4,CO3,(OH)2] · H2OMon.
9.EG.50JagoitePb18Fe3+4[Si4(Si,Fe3+)6][Pb4Si16(Si,Fe)4]O82Cl6Hex.
9.EG.55WickenburgiteCaPb3Al2Si10O24(OH)6Trig. 3m : P3 1c
9.EG.60HyttsjöitePb18Ba2Ca5Mn2+2Fe3+2Si30O90Cl · 6H2OTrig.
9.EG.65ArmbrusteriteK5Na7Mn15[(Si9O22)4](OH)10 · 4H2OMon. 2/m : B2/m
9.EG.70Britvinite[Pb7(OH)3F(BO3)2(CO3)][Mg4.5(OH)3(Si5O14)]Tric. 1 : P1
9.EG.75Bannisterite(Ca,K,Na)(Mn2+,Fe2+)10(Si,Al)16O38(OH)8 · nH2OMon. 2/m : B2/b

Related Minerals - Hey's Chemical Index of Minerals GroupingHide

16.9.1GehleniteCa2Al(AlSiO7)Tet. 4 2m : P4 21m
16.9.2AnorthiteCa(Al2Si2O8)Tric. 1 : P1
16.9.3Yoshiokaite(Ca,Na)[Al(Al,Si)O4]Trig. 3 : P3
16.9.4SvyatoslaviteCa(Al2Si2O8)Orth.
16.9.5DmisteinbergiteCa(Al2Si2O8)Hex. 6/mmm (6/m 2/m 2/m) : P6/mmm
16.9.6GrossularCa3Al2(SiO4)3Iso. m3m (4/m 3 2/m) : Ia3d
16.9.7VuagnatiteCaAl(SiO4)(OH)Orth.
16.9.8Zoisite{Ca2}{Al3}(Si2O7)(SiO4)O(OH)Orth. mmm (2/m 2/m 2/m) : Pnma
16.9.9Clinozoisite{Ca2}{Al3}(Si2O7)(SiO4)O(OH)Mon. 2/m : P21/m
16.9.10PrehniteCa2Al2Si3O10(OH)2Orth. mm2
16.9.11KamaishiliteCa2(Al2SiO6)(OH)2Tet.
16.9.12BicchuliteCa2(Al2SiO6)(OH)2Iso. 4 3m : I4 3m
16.9.13MargariteCaAl2(Al2Si2O10)(OH)2Mon.
16.9.14ChantaliteCaAl2(SiO4)(OH)4Tet. 4/m : I41/a
16.9.15CebolliteCa5Al2(SiO4)3(OH)4Orth.
16.9.17KatoiteCa3Al2(SiO4)3-x(OH)4xIso.
16.9.18LawsoniteCaAl2(Si2O7)(OH)2 · H2OOrth. mmm (2/m 2/m 2/m) : Cmcm
16.9.19ParthéiteCa2(Si4Al4) O15 (OH)2•4H2OMon. 2/m : B2/b
16.9.20WairakiteCa(Al2Si4O12) · 2H2OMon. 2/m
16.9.22ScoleciteCaAl2Si3O10 · 3H2OMon. m : Bb
16.9.23LaumontiteCaAl2Si4O12 · 4H2OMon. 2/m : B2/m
16.9.24YugawaraliteCaAl2Si6O16 · 4H2OMon.
16.9.25Gismondine-CaCaAl2Si2O8 · 4H2O
16.9.26EpistilbiteCaAl2Si6O16 · 5H2OMon.
16.9.27GoosecreekiteCa[Al2Si6O16] · 5H2OMon.
16.9.28CowlesiteCaAl2Si3O10 · 6H2OOrth.
16.9.30StelleriteCa4(Si28Al8)O72 · 28H2OOrth. mmm (2/m 2/m 2/m) : Fmmm
16.9.31SträtlingiteCa2Al2SiO7 · 8H2OTrig.
16.9.32AmstalliteCaAl(Si,Al)4O8(OH)4 · (H2O,Cl)Mon. 2/m : B2/b

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 VertumniteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Passaglia, E. & Galli, E. (1977): Vertumnite, a new natural silicate. Tschermaks Mineralogische und Petrographische Mitteilungen: 24: 57-66.
American Mineralogist (1977): 62: 1061.
Galli, E. and E. Passaglia (1978): Vertumnite: its crystal structure and relationship with natural and synthetic phases. Tschermaks Mineralogische und Petrographische Mitteilungen: 25: 33-46.
Rinaldi, R., Sacerdoti, M. & Passaglia, E. (1990): Strätlingite: Crystal structure, chemistry, and a reexamination of its polytype vertumnite. European Journal of Mineralogy: 2: 841-849.
American Mineralogist (1992): 77: 674-675.

Internet Links for VertumniteHide

Localities for VertumniteHide

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
 
  • Styria
    • Bad Radkersburg
      • Klöch
Postl, W., Bernhard, F., Bojar, H.-P., Kolitsch, U. & Brandstätter, F. (2012): 1775) Magnesiochromit, Phillipsit-Ca, Chabasit-Ca und Vertumnit sowie eine Ergänzung zur Phase Ca3Ti(Fe,Al)2O8 (= Shulamitit) in einem Ca-reichen Xenolith aus dem Basaltsteinbruch in Klöch, Steiermark. Pp. 172-174 in Niedermayr, G. et al. (2012): Neue Mineralfunde aus Österreich LXI. Carinthia II, 202./122., 123-180.
Germany
 
  • Baden-Württemberg
    • Black Forest
      • Waldshut
        • Detzeln
Falkenstein, F. (2010): Ein bislang unbekanntes Mineral- und Fossilvorkommen im Porphyr-Steinbruch bei Detzeln, im südöstlichsten Schwarzwald. Aufschluss, 61, 157-74.
  • Rhineland-Palatinate
    • Eifel
      • Mayen
        • Ettringen
          • Bellerberg volcano
[Blass, G., Graf, H.W., Neue Mineralfunde - mineralogische Raritäten - aus der Vulkaneifel, Mineralien-Welt 7/5, 28, 1996] [A. Wittern: Mineralfundorte in Deutschland, Schweizerbart (Stuttgart), 2001]
            • Southern lava flow
              • Mayener Feld
in the collection of Christof Schäfer
Italy
 
  • Latium
    • Rome Province
Caponera, I., Fiori, S., Pucci, R., & Signoretti, E. (2007). I minerali dei Colli Albani. Un aggiornamento sugli ultimi dieci anni di ricerche. Rivista Mineralogica Italiana, 31 (2), 74-91.
      • Rome
        • Valleranello
Pucci, R. (2004): Vertumnite e tobermorite in un nodulo termometamorfosato nella leucitite di Vallerano (RM). Il Cercapietre, 1-2/2004, 70-71.
    • Viterbo Province
      • Montalto di Castro
        • Pietra Massa Locality
Passaglia, E. & Turconi, B. (1982): Silicati ed altri minerali di Montalto di Castro - VT. Rivista Mineralogica Italiana, 4/1982, 97-110.
  • Umbria
    • Perugia Province
      • Spoleto
Stoppa F., Scordari F., Mesto E., Sharygin V.V. and Bortolozzi G. - Calcium-aluminium-silicate-hydrate "cement" phases and rare Ca-zeolite association at Colle Fabbri, Central Italy (2010). Centr.Eur.J.Geosci. 2 (2), pag. 175-187 .
Mineral and/or Locality  
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