Hornblende root name group : CSIRO Spectroscopy Database

Hornblende root name group

Formula	◻Ca₂(Z^II₄Z^III)(AlSi₇O₂₂)(OH,F,Cl)₂, Z^II=Mg,Fe^II, Z^III=Al,Fe^III
Classification	Calcium amphibole
Members	Ferro-ferri-hornblende, Magnesio-ferri-hornblende, Magnesio-hornblende, Ferro-hornblende, Magnesio-ferri-fluoro-hornblende
Search other databases	webmineral.com, mindat.org, rruf.info, mineralienatlas.de, Handbook of Mineralogy, American Mineralogist Crystal Structure Database
Crystal symmetry	Monoclinic
Tags	Group, Silicate

☐, H, Ca, Si, O, F, Cl, Fe, Al, Mg