Story: Rock and mineral names
This fresh, 7-centimetre specimen of dunite was collected on Dun Mountain. The rock is composed almost entirely of interlocking grains of yellowish-green olivine, with tiny black grains of chromite.
About this item
GNS Science
Reference: GNS_RC_Dn_09
Photograph by Richard Cook
Permission of GNS Science must be obtained before any use of this image