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Diversi chili di cristalli sono stati trovati durante i lavori di scavo del secondo tunnel del San Gottardo. Gli esperti parlano di un ritrovamento notevole.
I cristalli sono stati trovati a circa 300 metri dall'entrata della galleria. I responsabili degli scavi hanno reagito in maniera esemplare contattando immediatamente gli esperti cantonali, si legge in un comunicato odierno delle preposte autorità urane.
Quarzo quasi completamente sviluppato.
A fine settembre gli esperti hanno quindi iniziato gli esami e si sono trovati di fronte quarzo, apofillite e fluorite rosa. In particolare quest'ultima si è rivelata di ottima qualità. Globalmente, si tratta di uno dei migliori ritrovamenti da anni in Svizzera, ha sottolineato il geologo Peter Amacher.
I cristalli sono ora proprietà del Canton Uri. Al momento i ritrovamenti vengono puliti e catalogati, mentre il loro valore viene stimato. I più belli finiranno in un'esposizione.
Minerali e cristalli
RSI Info 04.10.2020, 18:05
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