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| https://chalcedonymine.com Direct contact link Intaglio; Chalcedony; helmeted head of Roma to right; gem fractured across upper part; in metal mount. (British Museum number 19130307.292) The name chalcedony comes from the Latin chalcedonius (alternatively spelled calchedonius). The name appears in Pliny the Elder’s Naturalis Historia as a term for a translucid kind of Jaspis.[4] The name is probably derived from …  bl**@chalcedonymine.com |  |
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