This radial development occurs also..in the following minerals peculiar to the Zircon syenite of Brevig, as Thorite, Tritomite, Orangite, and a zircon-like mineral not yet analysed.
D. Forbes in Edinburgh New Philosophical Journalvol. 6 113
2004
The behaviour of zircon-like heavy minerals is a more complex issue.
D. Garcia et al. in P. Joseph & S. A. Lomas, Deep-water Sedimentation Alpine Basin SE France 360/1