RUTILE epitactic on Hematite
TiO₂ on FeO
Ibitiara, Bahia, Brazil

The crystallographic phenomenon known as epitaxy is wonderfully demonstrated by these thin rutile needles growing in oriented star-like arrays on the surfaces of hematite crystals.

Size: 7.5 cm across

Acquired: 1994 donation from Melvin S. Hindin

Disposition: On display in the Mineral Classics exhibit.

Catalog Number: 39484