© Masamichi Shiono, Mari Sakaue, Shinichi Tomita (Hitachi High-Technlogies Corporation)
This flower is an image of a rhyolite observed by CL (Cathodoluminescence). It is a radial crystal of cristobalite and the plagioclase (spherocrystal), crystallized by the gradually cooling of the magma. The petal are made up of fine crystal of 50-100nm and the stamens are crystal structures of 2-10μm in length.
At 73th photo contest hosted by the Japanese Society of Microscopy in 2017.
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