ARFVEDSONITE from Washington State
Na3(Fe,Mg)4(Fe,Al)Si8O22(OH)2


 
Smoky QUARTZ with inclusions of ARFVEDSONITE
Golden Horn Batholith
 
ARFVEDSONITE
Golden Horn Batholith
 
BASTNAESITE-(Ce) (not confirmed, visual identification) with MICROCLINE on ARFVEDSONITE
Golden Horn Batholith
 
MICROCLINE with ARFVEDSONITE
Golden Horn Batholith
 
ZIRCON exhibiting a sharp tetragonal pyramid termination w/ perched orange BASTNAESITE-(Ce) crystals, also
QUARTZ "speared" with ARFVEDSONITE
Golden Horn Batholith
 
Epitaxial AEGERINE extending from ARFVEDSONITE termination on white MICROCLINE
Golden Horn Batholith
 
ZEKTZERITE on MICROCLINE matrix with minor ARFVEDSONITE
Golden Horn Batholith
 
ZEKTZERITE on MICROCLINE matrix with minor ARFVEDSONITE
Golden Horn Batholith