Item talk:Q162921
From geokb
Mindat Short Description
A group of simple tetragonal silicates where M = tetravalent Zr, Th, Hf, Ce.
Isotypic with the xenotime group and chromatite.
A group of simple tetragonal silicates where M = tetravalent Zr, Th, Hf, Ce.
Isotypic with the xenotime group and chromatite.