Cristobalite, Tridymite, Quartz (Var: Amethyst), Siderite

Specimen ID: CEJ-7XE

Mineral(s)
Tridymite : SiO2
Quartz (Var: Amethyst) : SiO2
Siderite : FeCO3
Locality
As recorded:
Les Chazes, Saint-Jacques-des-Blats, Vic-sur-Cère, Aurillac, Cantal, Auvergne-Rhône-Alpes, France
Mindat locality:
Collections
Collected by:
Events

Photo added to mindat.org

Crystals of cristobalite (visual identification) on trydimite with amethyst and siderite crystal of trydimite 0,6 x 0,4 cm mai 2013
Robin Fialip - 6th June 2013
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