Dana Inosilicate Classification<br><small>Double-Width Unbranched Chains, W=2</small>

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

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

66.02.01 Plancheite Group

66.02.01.01 Plancheite Cu8Si8O22(OH)4•(H2O) Pcnb 2/m 2/m 2/m
66.02.01.02 Bigcreekite! BaSi2O5•4(H2O) P nma 2/m 2/m 2/m

66.02.02

66.02.02.01 Vlasovite Na2ZrSi4O11 C 2/c 2/m