owl  

ATHENA

MINERALOGY

mlevy

Mineral:HIORTDAHLITE-I
Formula:(Na3Ca)Ca8Zr2(Y,Zr,REE,Na)+++2(Si2O7)4(O3F5) (?)
Crystal System:Anorthic (Triclinic)
Strunz Nr:8/C.11-50
Group:Wöhlerite group
References:CM 12 (1974), 241;TMPM 34 (1985), 297; HB2/1 (1995)
Type Locality:Mittel-Arø (Aro) Island, Langesundfjord, Norway

mlevy

[Mineral Search]     [Abbreviations]     [Pictures]     [Athena]

mlevy

Send comments on page to mail pp

Copyright © 1986, 1994, 2018 ATHENA - Pierre Perroud. All Rights Reserved.