Dana Inosilicate Classification
Double-Width Unbranched Chains, W=2

Minerals Arranged by the New Dana Classification

This arrangement of mineral species is based on Dana's New Mineralogy by Richard V. Gaines, H. Catherine Skinner, Eugene E. Foord, Brian Mason, and Abraham Rosenzweig, with sections by Vandall T. King, Illustrations by Eric Dowty, (ISBN: 047119310-0) Copyright © 1997, John Wiley & Sons, Inc.".  This material is used by permission of John Wiley & Sons, Inc. Follow this link for a short discussion on the Dana Classification Number.

Dana Inosilicate Classification
Double-Width Unbranched Chains, W=2

66.01 Inosilicates Inosilicate Double-Width Unbranched Chains, W=2 with P=2 amphibole configuration

66.01.01 Group 1, the Mg-Fe-Mn-Li amphiboles (Monoclinic)

66.01.01.01 Magnesiocummingtonite (Mg,Fe++)7Si8O22(OH)2 C 2/m 2/m

66.01.01.02 Cummingtonite [ ]Mg7Si8O22(OH)2 C 2/m 2/m

66.01.01.03 Grunerite [ ]Fe++7Si8O22(OH)2 C 2/m 2/m

66.01.01.03b Permanganogrunerite! [ ]Mn4(Fe++)3(Si8O22)(OH)2 C 2/m 2/m

66.01.01.04 Manganocummingtonite Na(Na,Mn)2(Mg4,Fe+++)5Si8O22(OH)2 C 2/m 2/m

66.01.01.05 Manganogrunerite [ ]Mn2Fe++5Si8O22(OH) C 2/m 2/m

66.01.01.06 Magnesioclinoholmquistite? Li2(Mg,Fe++)3Al2Si8O22(OH)2 C 2/m 2/m

66.01.01.07 Clinoholmquistite? [ ](Li2Mg3Al2)Si8O22(OH)2 C 2/m 2/m

66.01.01.08 Clinoferroholmquistite [ ](Li2Fe++3Al2)Si8O22 (OH)2 C 2/m 2/m

66.01.01.08a Ferri-clinoholmquistite! [ ]Li2Mg3(Fe3+)2(Si8O22)(OH)2 C 2/m 2/m

66.01.01.08b Ferri-clinoferroholmquistite! [ ]Li2(Fe+++2Fe++3)Si8O22(OH)2 C 2/m 2/m

66.01.01.09 Sodic-ferripedrizite! Na(LiNa)(Fe+++2Mg2Li)Si8O22(OH,F)2 C 2/m 2/m

66.01.01.09a Ferripedrizite! NaLi2(Fe+++2Mg2Li)Si8O22(OH)2 C 2/m 2/m

66.01.01.09b Sodic-ferri-ferropedrizite! NaLi2(Fe+++2Fe++3)Si8O22(OH)2 C 2/m 2/m

66.01.01.09c Fluoro-sodic-pedrizite! NaLi2(Mg2Al2Li)S5Si8O22F2 C 2/m 2/m