![]()  | 
 | 
![]()  | 
![]()  | 
  Aegirine NaFe[Si2O6] acmite from Langesundfjord, Norway.  | 
![]()  | 
  Augite Ca2Mg[Si2O6] idiomorphic crystals from Paschkapole, Teplitz, Bohemia, Czechoslovakia.  | 
![]()  | 
  Bronzite (Fe,Mg)2[Si2O6] idiomorphic crystals with plagioclas from the Radautal, Hartz Mountains, Germany.  | 
![]()  | 
  Bronzite (Fe,Mg)2[Si2O6] "Bastit" from the Kolebornskehre, Bad Harzburg, Germany.  | 
![]()  | 
  Diopside Ca2Mg[Si2O6] diallage from the Gabbrobruch Radautal, Bad Harzburg, Germany.  | 
![]()  | 
  Diopside Ca2Mg[Si2O6] idiomorphic crystals from Magog, Quebec, Canada.  | 
![]()  | 
  Enstatite Mg2[Si2O6] fragment of a crystal from Bamle, Norway.  | 
![]()  | 
  Hypersthene (Fe,Mg)2[Si2O6] aggregate from St. Pauls Island, Brazil.  | 
![]()  | 
  Pectolite Ca2NaH[Si3O9] fibrous crystals from New Jersey, USA.  | 
![]()  | 
  Rhodonite CaMn4[Si5O15] fowlerite from Franklin Furnace, New Jersey, USA.  | 
![]()  | 
  Spodumene LiAl[Si2O6] fragment of a crystal from Karibib, South-West Africa.  | 
![]()  | 
  Wollastonite Ca3[Si3O9] table spar with grossularite from Kaveltorp Kopparberg, Sweden.  |