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Ancylite Sample

Ancylite


Chemical Composition: (Ce, Ca)(CO3)(OH,H2O) or SrCe(CO3)2(OH)(H2O)
Group: -
System: -
Family: -
Hardness: -


  • Isomorphous substitution between rare earth ions
  • Chemical composition is still being analyzed
  • Crystal structures containing isolated hydroxylions
  • A rare earth mineral found in hydrothermal environments
  • New mineral from syenite pegmatite called weibyeite, patchily replaced by bastnasite