These pink and blue lath-like crystals of kyanite, an alumino-silicate mineral, are from Karibib, in Namibia. Kyanite is typically found in aluminium-rich rocks that have been subjected to intense heat and pressure. It is seen here in association with crystals of mica.
- Item reference: BRSUG B2593
- Photographer: Simon Powell
- Copyright: Department of Earth Sciences, University of Bristol
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