Gagarinite-(Ce)
Appearance
Zajacite or Zajacite-(Ce} is a radioactive mineral: formula Na (REEx,Ca1-x)(REEy,Ca1-y)F6 where REE means Rare Earth Elemnent belonging to the Lanthanide series.
Zajacite or Zajacite-(Ce} is a radioactive mineral: formula Na (REEx,Ca1-x)(REEy,Ca1-y)F6 where REE means Rare Earth Elemnent belonging to the Lanthanide series.