Dana Nesosilicate Classification<br><small>Insular SiO4 Groups Only</small>

Dana Nesosilicate Classification
Insular SiO4 Groups Only
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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 Nesosilicate Classification
Insular SiO4 Groups Only

51.04.03a Garnet group (Pyralspite series)

51.04.03a.01 Pyrope Mg3Al2(SiO4)3 I a3d 4/m 3 2/m
51.04.03a.02 Almandine Fe++3Al2(SiO4)3 I a3d 4/m 3 2/m
51.04.03a.03 Spessartine Mn++3Al2(SiO4)3 I a3d 4/m 3 2/m
51.04.03a.04 Knorringite Mg3Cr2(SiO4)3 I a3d 4/m 3 2/m
51.04.03a.05 Majorite Mg3(Fe,Al,Si)2(SiO4)3 I a3d 4/m 3 2/m
51.04.03a.06 Calderite (Mn++,Ca)3(Fe+++,Al)2(SiO4)3 I a3d 4/m 3 2/m

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