Ferro-ferri-hornblende R170006


Name: Ferro-ferri-hornblende
RRUFF ID: R170006
Ideal Chemistry: ◻Ca2(Fe2+4Fe3+)(Si7Al)O22(OH)2
Locality: Miniera di Traversella, Ivrea, Torino, Piedmont, Italy
Source: Renato and Adriana Pagano [view label]
Owner: RRUFF
Description: Aggregates of dark green acicular or lamellar crystals embedded in a matrix of fibrous to acicular tremolite with minor quartz and calcite
Status: The identification of this mineral is not yet confirmed.
Mineral Group: [ amphibole (107) ]
REFERENCES for Ferro-ferri-hornblende

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]

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]

Belakovskiy D I, Cámara F, Gagne O C (2017) New mineral names, American Mineralogist, 102, 694-698   [view file]