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Olivine

Olivine

6 items

False-colour micrograph of slag: large purple olivine crystals with orange rims, fine yellow branching dendrites, and scattered black angular grains. — Olivine-based slag from a HCFeMn pilot Sophie Graul

Close-up of a metal press in which four shiny steel anvils point inwards to squeeze a small brown cube at the centre, with a numbered housing marked 3 above. — Labquakes from high-pressure synchrotron experiments Thomas P. Ferrand

Close-up through a microscope eyepiece of a tiny dark cylinder with flaking gold foil on its surface, held in the black jaws of tweezers over a scratched metal plate. — Artificial peridotite takes its gold coat off Thomas P. Ferrand

Electron micrograph of a tiny rectangular slice with thickened ends, shaped like a dumbbell, standing upright against the side of a large rough grey mound on a black background. — Tiny FIB section on its holder Thomas P. Ferrand

Slope of olive-green sand with dark grey rocks poking through near the top and a strip of flattened dry grass and pale pebbles along the bottom. — Green sand beach Konstantinos Kourtidis

Close-up of olive-green sand with darker blue-grey patches, scattered with clumps of dry seaweed, twigs and small white shell fragments. — Green sand Konstantinos Kourtidis

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