Na-Ca amphibole [ An(NaCa)(ZII5-mZIIIm)(Si8-(n+m+1)Al(n+m-1)O22)(OH,F,Cl)2 ]

Material properties

Formula An(NaCa)(ZII5-mZIIIm)(Si8-(n+m+1)Al(n+m-1)O22)(OH,F,Cl)2
IMA Status IMA Approved Group Name
Crystal symmetry Monoclinic
Classification w(OH, F, Cl)-dominant amphibole
Member Richterite root name group
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Tags Subgroup