Ian Power on X: "Took this image with our lab's new microscope. This is a basalt students examine in my Earth Materials course, taken at 50x, XPL, Zeiss Axioscope. I'm really impressed
Olivine
Olivine in marble (30 µm thin section, XPL) | Olivín v mramo… | Flickr
Poikilitic Textures in an Olivine Gabbro by Chadacryst on DeviantArt