Description
Superb set of bright yellow petaled autunite crystals on large brown muscovite crystals and pinkish orthoclase. Perfect covering of pegmatite by autunite, an alteration mineral found in uranium deposits. Specimen from the former Vénachat uranium mine in the Monts d’Ambazac, Haute-Vienne department, Limousin. Exceptional! Here’s a video of these autunite and muscovite crystals from Vénachat:
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