Dana Classification

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.

Note: Space Group in Red Point Group in Green.

* - Not IMA Approved.

! - Dana Number Added or Changed.

? - IMA Discredited Mineral Name.

Dana Cyclosilicate Classification

64 Cyclosilicates Cyclosilicates

64.03 Cyclosilicates Cyclosilicates 4-membered rings with [Si2O7] dimers

64.03.01 Taramellite group

64.03.01.01 Taramellite Ba4(Fe+++,Ti,Fe++,Mg)4(B2Si8O27)O2Clx (x=0 to 1) Pmmn 2/m 2/m 2/m

64.03.01.02 Titantaramellite Ba4(Ti,Fe+++,Fe++,Mg)4(B2Si8O27)O2Clx X=0 TO 1, with Ti > Fe Pmmn 2/m 2/m 2/m

64.03.01.03 Nagashimalite Ba4(V+++,Ti)4Si8B2O27Cl(O,OH)2 Pmmn 2/m 2/m 2/m

64.03.02

64.03.02.01 Strakhovite NaBa3(Mn++,Mn+++)4Si6O19(OH)3 P nma 2/m 2/m 2/m