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Cassagnaite

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About CassagnaiteHide

Formula:
(Ca,Mn2+)4(Fe3+,Mn3+,Al)4(V3+,Mg,Al)2(Si3O10)(SiO4)2(OH,O)8
Crystal System:
Orthorhombic
Name:
Named by R. Basso, C. Carbone, and A. Palenzona in 2008 after the type locality, the Cassagna Mine, Graveglia Valley, Ne, Genova Province, Liguria, Italy.
This page provides mineralogical data about Cassagnaite.


Classification of CassagnaiteHide

Approved
Approval Year:
2007
First Published:
2008
9.BJ.65

9 : SILICATES (Germanates)
B : Sorosilicates
J : Sorosilicates with Si3O10, Si4O11, etc. anions; cations in octahedral [6] and greater coordination

Chemical Properties of CassagnaiteHide

Formula:
(Ca,Mn2+)4(Fe3+,Mn3+,Al)4(V3+,Mg,Al)2(Si3O10)(SiO4)2(OH,O)8
IMA Formula:
Ca4Fe3+4V3+2(OH)6O2(Si3O10)(SiO4)2

Crystallography of CassagnaiteHide

Crystal System:
Orthorhombic
Class (H-M):
mmm (2/m 2/m 2/m) - Dipyramidal
Space Group:
Cmcm
Cell Parameters:
a = 6.066 Å, b = 8.908 Å, c = 18.995 Å
Ratio:
a:b:c = 0.681 : 1 : 2.132
Unit Cell V:
1,026.41 ų (Calculated from Unit Cell)

Crystal StructureHide

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IDSpeciesReferenceLinkYearLocalityPressure (GPa)Temp (K)
0007254CassagnaiteBasso R, Carbone C, Palenzona A (2008) Cassagnaite, a new, V-bearing silicate mineral from the Cassagna mine, northern Apennines, Italy European Journal of Mineralogy 20 95-1002008Cassagna mine, northern Apennines, Liguria, Italy0293
CIF Raw Data - click here to close

Type Occurrence of CassagnaiteHide

Synonyms of CassagnaiteHide

Other Language Names for CassagnaiteHide

Simplified Chinese:羟硅钒铁钙石

Common AssociatesHide

Associated Minerals Based on Photo Data:
1 photo of Cassagnaite associated with Piemontite{Ca2}{Al2Mn3+}(Si2O7)(SiO4)O(OH)
1 photo of Cassagnaite associated with QuartzSiO2

Related Minerals - Nickel-Strunz GroupingHide

9.BJ.ArsenmedaiteMn2+6 As5+Si5O18(OH)Mon. 2/m
9.BJ.05OrientiteCa8Mn3+10(SiO4)3(Si3O10)3(OH)10 · 4H2O Orth.
9.BJ.10RosenhahniteHCa3[Si3O9(OH)]Tric.
9.BJ.15TrabzoniteCa4(Si3O9)(OH)2Orth. mm2 : Ama2
9.BJ.20Thalénite-(Y)Y3Si3O10FMon.
9.BJ.25TiragalloiteMn2+4As5+Si3O12(OH)Mon. 2/m
9.BJ.30MedaiteMn2+6V5+Si5O18(OH)Mon.
9.BJ.35RuiziteCa2Mn3+2[Si4O11(OH)2](OH)2·2H2OMon. 2
9.BJ.40Ardennite-(As)Mn2+4Al4(AlMg)(AsO4)(SiO4)2(Si3O10)(OH)6Orth. mmm (2/m 2/m 2/m)
9.BJ.40Ardennite-(V)Mn2+4Al4(AlMg)(VO4)(SiO4)2(Si3O10)(OH)6Orth. mmm (2/m 2/m 2/m) : Pmmn
9.BJ.45KilchoaniteCa6(SiO4)(Si3O10)Orth.
9.BJ.50KornerupineMg3Al6(Si,Al,B)5O21(OH)Orth. mmm (2/m 2/m 2/m)
9.BJ.50Prismatine(◻,Fe,Mg)(Mg,Al,Fe)5Al4Si2(Si,Al)2(B,Si,Al)(O,OH,F)22Orth.
9.BJ.55ZunyiteAl13Si5O20(OH,F)18ClIso. 4 3m : F4 3m
9.BJ.60HubeiteCa2Mn2+Fe3+[HSi4O13] · 2H2OTric.

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 CassagnaiteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Basso, R., Carbone, C., Palenzona, A. (2008) Cassagnaite, a new V-bearing silicate mineral from the Cassagna mine, northern Apennines, Italy. European Journal of Mineralogy: 20: 95-100.
Piilonen, P.C., Poirier, G., Tait, K.T. (2008) New mineral names. American Mineralogist: 93: 1686-1691.
Palenzona, A., Martinelli, A. (2009) Cassagnaite una nuova specie vanadinifera dalla Val Graveglia, Genova. Rivista Mineralogica Italiana: 4: 268-270.

Internet Links for CassagnaiteHide

Localities for CassagnaiteHide

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 (TL)
 
  • Liguria
    • Genoa
      • Ne
Basso, R., Carbone, C., Palenzona, A. (2008): Cassagnaite, a new V-bearing silicate mineral from the Cassagna mine, northern Apennines, Italy. European Journal of Mineralogy, 20, 95-100. Palenzona, A. & Martinelli, A. (2009): Cassagnaite una nuova specie vanadinifera dalla Val Graveglia, Genova. Rivista Mineralogica Italiana, 4/2009, 268-270.
 
Mineral and/or Locality  
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