Mineral: Cinnabar, Opal (variety fiorite)
Locality: Castel del Piano (Amiata Mountain), Grosseto Province, Tuscany, Italy
Dimensions: 46 x 26 mm

Description: Traces of Cinnabar on Fiorite. This variety of Opal, also called " Tears of Santa Fiora", takes its name from the nearby town of Santa Fiora where it was first found.

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