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Amethyst from
Pégut (Champs des mines), La Chapelle-sur-Usson, Jumeaux, Puy-de-Dôme, Auvergne-Rhône-Alpes, France

Classification
Species:Quartz var: Amethyst
Formula:SiO2
Comments:Pseudo-cubic crystallization (89 °/90 °) unique to the world.

Numerous phantoms crystals.
Habit:SiO2
Colour:Purple
Quality for species:Excellent - world class for species or very significant. (!!)
Confirmation
Validity:Confirmed
Confirmation Methods:Visually Identified, Optical Analysis
References
References:207433; Jonathan Plasse collection
S. Berger Collection
Associated Minerals Based on Photo Data:
Hematite25 photos of Amethyst associated with Hematite at this locality.
Quartz21 photos of Amethyst associated with Quartz at this locality.
Dolomite21 photos of Amethyst associated with Dolomite at this locality.
Pyrite9 photos of Amethyst associated with Pyrite at this locality.
Pseudocubic Quartz7 photos of Amethyst associated with Pseudocubic Quartz at this locality.
Psilomelane7 photos of Amethyst associated with Psilomelane at this locality.
Calcite5 photos of Amethyst associated with Calcite at this locality.
Milky Quartz1 photo of Amethyst associated with Milky Quartz at this locality.
Smoky Quartz1 photo of Amethyst associated with Smoky Quartz at this locality.
Rock Crystal1 photo of Amethyst associated with Rock Crystal at this locality.
Data
Mineral Data:Click here to view Amethyst data
Locality Data:Click here to view Pégut (Champs des mines), La Chapelle-sur-Usson, Jumeaux, Puy-de-Dôme, Auvergne-Rhône-Alpes, France
Nearest other occurrences of Amethyst
0.2km (0.1 miles) A Ravin de Pégut (Filon des Espagnols), La Chapelle-sur-Usson, Jumeaux, Puy-de-Dôme, Auvergne-Rhône-Alpes, France
2.3km (1.4 miles) B Croix Saint-Barthélémy, Escout, Vernet-la-Varenne, Sauxillanges, Puy-de-Dôme, Auvergne-Rhône-Alpes, France
5.6km (3.5 miles) C Bansat, Issoire, Puy-de-Dôme, Auvergne-Rhône-Alpes, France
8.3km (5.2 miles) D La Bessière Quarry, Saint-Genès-la-Tourette, Sauxillanges, Puy-de-Dôme, Auvergne-Rhône-Alpes, France
35.9km (22.3 miles) E Les Sausses Mine, Chavaniac-Lafayette, Paulhaguet, Haute-Loire, Auvergne-Rhône-Alpes, France
38.2km (23.7 miles) F Varennes, Chanonat, Puy-de-Dôme, Auvergne-Rhône-Alpes, France
40.1km (24.9 miles) G Lezoux, Thiers, Puy-de-Dôme, Auvergne-Rhône-Alpes, France
53.0km (33.0 miles) H Condat, Saint-Flour, Cantal, Auvergne-Rhône-Alpes, France
73.2km (45.5 miles) I Ruffy quarry, Bellegarde-en-Forez, Saint-Galmier, Loire, Auvergne-Rhône-Alpes, France
105.9km (65.8 miles) J Châtelperron, Jaligny-sur-Besbre, Allier, Auvergne-Rhône-Alpes, France
116.2km (72.2 miles) K Creuzeval Quarry, Saint-Didier-sur-Beaujeu, Rhône, Auvergne-Rhône-Alpes, France
170.9km (106.2 miles) L L'Argentolle, Saint-Prix, Saint-Léger-sous-Beuvray, Saône-et-Loire, Bourgogne-Franche-Comté, France
171.7km (106.7 miles) M La Boula quarry, Saint-Prix, Saint-Léger-sous-Beuvray, Saône-et-Loire, Bourgogne-Franche-Comté, France
Mineral and/or Locality  
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