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IMA database

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      Ferro-ferri-hornblende
      Ffhbl
      ◻Ca2(Fe2+4Fe3+)(Si7Al)O22(OH)2
      ◻Ca2(Fe2+4Fe3+)(Si7Al)O22(OH)2
      Ca Fe2+ Fe3+ Si Al O H
      Oberti R, Boiocchi M, Hawthorne F C, Ball N A, Cámara F, Pagano R, Pagano A (2016) Ferro-ferri-hornblende from the Traversella mine (Ivrea, Italy): occurrence, mineral description and crystal-chemistry. Mineralogical Magazine 80, 1233-1242  [view file]
      Oberti R, Boiocchi M, Hawthorne F C, Ball N A, Cámara F, Pagano R, Pagano A (2016) Ferro-ferri-hornblende from the Traversella mine (Ivrea, Italy): occurrence, mineral description and crystal-chemistry. Mineralogical Magazine 80, 1233-1242  [view file]
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      Belakovskiy D I, Cámara F, Gagne O C (2017) New mineral names. American Mineralogist 102, 694-698  [view file]
      Hålenius U, Hatert F, Pasero M, Mills S J (2015) IMA Commission on New Minerals, Nomenclature and Classification (CNMNC) Newsletter 27. New minerals and nomenclature modifications approved in 2015. Mineralogical Magazine 79, 1223-1230  [view file]
      Jenkins D M (2024) Effect of chlorine substitution on the thermal stability of ferro-pargasite and thermochemical properties of ferro-chloro-hornblende. American Mineralogist 109, 992-1004 ; https://doi.org/10.2138/am-2023-8981
      Oberti R, Boiocchi M, Hawthorne F C, Ball N A, Cámara F, Pagano R, Pagano A (2016) Ferro-ferri-hornblende from the Traversella mine (Ivrea, Italy): occurrence, mineral description and crystal-chemistry. Mineralogical Magazine 80, 1233-1242  [view file]