The flower in rhyolite

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.

Condition

Specimen : Rhyolite
Instrument : Scanning Electron Microscope SU3500
Magnification : X 400
Accelerating voltage : 15.0 kV, Cathodoluminescence

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This work was presented at the "photo contest" hosted by the Japanese Society of Microscopy.

The Japanese Society of Microscopy

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