 | | Book | | founding members of IMA. Hugo Strunz Unterw6ssen, Germany Foreword v ..: r m a n y YL'a rs of collcc1ing...is insufficient to distinguish between Allanite-(Ce) and Allanite-(Y) . Where t h e d i stin guishing...Adventurine Aechynite = = Quartz a) Aeschynite·(Ce), Aeschynite-(Y), b) Aeschynite·(Nd) = Corundum...Aeschynite· (Ce), b) (from Hidro and Arendol, Norway) Aeschynite·(Y), c) Aeschynite-(Nd), Aeschynite·(Ce) Aeschynite-(Yt)...Aesquinta = a) Aeschynite-(Ce), Aeschynite· (Nd), Aeschynite-(Y), Aeschynite·(Ce) b) Niobo· Aetheriastite |  | | Book (edition) | | 9055 89 Ac 43 r-- V 1 1 1 � 3p 111 B Ce Pr 60 Ce• 11•n 1.:".) 1:, P•J'.,V'.>:l,n •'1 1.:� ')J�;...carnallite. sylvite and k.ieseritc; from Stassfurt. Germany. Abrazite. syn. of gismondine or of phillipsite...Z=2 fPDF 18-873 ). (TL) Johanngcorgcnstadt. Saxony, Germany. Fomiula and unit cell by R.J. Davis, M.H....alluding to its appearance. 18.2. 1 3 Aeschynite-(Ce). (Ce.Ca.Fc.Th)(Ti.Nb) i (O,OH) 6 • 1.1. BerL.elius...natural state. Forms two series. with niobo-acschynitc-(Ce) and with acschynite-(Y): dimorphouswith lucasitc-(Cc) |
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