К минералам

RRUFF #5748

Arisite-(La)

Элементы:NaLaCOF
Valence:NaLaCOF

Химия

IMA chemistry:
NaLa2(CO3)2[F2x(CO3)1-x]F
Valence chemistry:
NaLa2(CO3)2[(CO3)1-xF2x]F

Классификация

Crystal systems:
hexagonal
Space groups:
P6m2
Structural group:
Arisite
IMA status:
Approved

Происхождение

Country:
Namibia
Published:
2009
Oldest age Ma:
32.2
Paragenetic modes:
Abiotic, Primary, Stage 3a: Earth's earliest Hadean crust, PM10 - Basalt-hosted zeolite minerals

Примечания

Piilonen P C, McDonald A M, Grice J D, Cooper M A, Kolitsch U, Rowe R, Gault R A, Poirier G (2010) Arisite-(La), a new REE-fluorcarbonate mineral from the Aris phonolite (Namibia), with descriptions of the crystal structures of arisite-(La) and arisite-(Ce). Mineralogical Magazine 74, 257-268