Hafnian Zircon

(Zr,Hf)SiO4
Variety of
Zircon
ZirconZr(SiO4)

Where it forms, where it's found

Geological setting

Lithium-bearing pegmatite.

19recorded occurrences
Source · OpenStreetMap

Chemical composition

Constituent elements
Mass composition breakdown
ElementAtoms At. mass g/mol Mass g/molMass share
72HfHafniumHafnium1178.490178.490
49.34%
40ZrZirconiumZirconium191.22491.224
25.21%
8OOxygenOxygen415.99963.996
17.69%
14SiSiliconSilicon128.08528.085
7.76%
Total361.795100.00%

Mass share = atoms × atomic mass ÷ molar mass × 100

From Mindat formula

Group, growth & confusion

Often grow together
1 mineral

Literature, links & citation

Citations
  1. 1961Von Knorring, Oleg, Hornung, G. (1961) Hafnian Zircons. Nature, 190 (4781) 1098-1099 doi:10.1038/1901098a0DOI: 10.1038/1901098a0
  2. 1974Neves, J. M. Correia, Nunes, J. E. Lopes, Sahama, Th. G. (1974) High hafnium members of the zircon-hafnon series from the granite pegmatites of Zambézia, Mozambique. Contributions to Mineralogy and Petrology, 48 (1) 73-80 doi:10.1007/bf00399111DOI: 10.1007/bf00399111
Cite this entry
@misc{mineral2026,
  author    = {Mineral Index editorial board},
  title     = {Hafnian Zircon — Mineral Index},
  year      = {2026},
  url       = {https://mineralindex.org/minerals/hafnian-zircon-11354},
  note      = {Accessed 2026-05-11}
}