Dana Sorosilicate Classification<br><small>Si2O7 Groups, Generally with No Additional Anions</small>

Dana Sorosilicate Classification
Si2O7 Groups, Generally with No Additional Anions

Search Webmineral :
   
Home Crystal jmol jPOWD Chem X Ray Dana Strunz Properties A to Z Images Share
      News Help About

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 Sorosilicate Classification
Si2O7 Groups, Generally with No Additional Anions


55.04 Sorosilicates Sorosilicate Si2O7 Groups, Generally with No Additional Anions with cations in [8] and lower coordination

55.04.01 Melilite group

55.04.01.01 Akermanite Ca2MgSi2O7 P 421m 4 2m
55.04.01.02 Gehlenite Ca2Al(AlSi)O7 P 421m 4 2m
55.04.01.03 Melilite (Ca,Na)2(Al,Mg,Fe++)(Si,Al)2O7 P 421m 4 2m
55.04.01.04 Okayamalite! Ca2B2SiO7 P 421m 4 2m
55.04.01.05 Alumoakermanite! (Ca,Na)2(Al,Mg,Fe++)(Si2O7) P 421m 4 2m

55.04.02 Fresnoite group

55.04.02.01 Fresnoite Ba2TiSi2O8 P 4bm 4mm
55.04.02.02 Hardystonite Ca2ZnSi2O7 P 421m 4 2m
55.04.02.03 Jeffreyite (Ca,Na)2(Be,Al)Si2(O,OH)7 C 2221 2 2 2
55.04.02.04 Leucophanite (Na,Ca)2BeSi2(O,OH,F)7 P1 1
55.04.02.05 Meliphanite (Ca,Na)2Be[(Si,Al)2O6(F,OH)] I 4 4
55.04.02.06 Gugiaite Ca2BeSi2O7 P 421m 4 2m

55.04.03

55.04.03.01 Belkovite! Ba3(Nb,Ti)6(Si2O7)2O12 P 62m 6 m2

55.04.04

55.04.04.01 Stavelotite-(La)! La3Mn++3Cu++(Mn+++,Fe+++,Mn++++)26(Si2O7)6O30 P 31 3

55.04.05

55.04.05.01 Batisivite! (Ti,V,Cr)14Ba[Si2O7]O22 P1 1


Warning: include(../MySQL/phpAdsNew/ad.php): failed to open stream: No such file or directory in /home/webminer/public_html/dana/dana.php on line 215

Warning: include(): Failed opening '../MySQL/phpAdsNew/ad.php' for inclusion (include_path='.:/usr/share/php') in /home/webminer/public_html/dana/dana.php on line 215