Hafnon

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Hafnon is a synthetic mineral hafnium silicate ore, chemical symbol HfSiO4.In Zircon ZrSiO4 part of the zirconium is replaced by the very similar hafnium and so natural zircon is never pure ZrSiO4. A zircon with 100% substitution can be made synthetically and is than called hafnon.

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