Petr Hykš: Olivine nodules in basalt
Petr Hykš: Olivine nodule in basalt
Petr Hykš: Olivine nodules in basalt (detail)
Petr Hykš: Olivine (Mg,Fe)SiO4
Petr Hykš: Basalt with olivine nodules
Petr Hykš: Basalt with olivine nodules
Petr Hykš: Basalt with olivine nodules
Petr Hykš: Basalt with olivine nodules
Petr Hykš: Basalt with olivine nodules
Petr Hykš: Upper mantle xenolith (mainly olivine & diopside) in basalt
Petr Hykš: Upper mantle xenolith (mainly olivine & diopside) in basalt
Petr Hykš: Weathered olivine nodule
Petr Hykš: Olivine (Mg,Fe)SiO4