Stilbite Subgroup
Basalt quarry, Briffons, Riom, Puy-de-Dôme, Auvergne-Rhône-Alpes, France
Very rare sample of variety of zéolite stilbite, not referenced in région Auvergne, but the crystalline characteristics of the mineral are recognizable in the eye, even if an analysis would be welcome to confirm the presence of this mineral in this place.
Très rare échantillon de la variété de zéolite nommée stilbite, puisque elle n'a, ...
© Robin Fialip