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Croix Saint-Barthélémy, Escout, Vernet-la-Varenne, Sauxillanges, Puy-de-Dôme, Auvergne, France

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Detailed Mineral List:

Quartz var: Amethyst
Formula:	SiO₂
Reference:	CHERMETTE, A., (1976) L’améthyste d’Auvergne, Revue de l’Association Française de Gemmologie, n° 47, pp. 2-5.






Photo: © François Périnet. Amethyst from Croix Saint-Barthélémy, Escout, Vernet-la-Varenne, Sauxillanges, Puy-de-Dôme, Auvergne, France
Quartz var: Smoky Quartz
Formula:	SiO₂
Reference:	Collected by François Périnet






Photo: © François Périnet. Smoky Quartz from Croix Saint-Barthélémy, Escout, Vernet-la-Varenne, Sauxillanges, Puy-de-Dôme, Auvergne, France

2 entries listed.

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