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... > area (en) > area type (en) > settlement (en) > building (en) > building technique (en) > building material (en) > stone (en) > chalcedony (en)
finds (en) > finds material (en) > stone (en) > chalcedony (en)
... > area (en) > area type (en) > quarry (en) > raw material (en) > stone (en) > chalcedony (en)
... > finds (en) > finds type (en) > lithics (en) > lithic material (en) > stone (en) > chalcedony (en)

Preferred term

chalcedony (en)  

Definition

  • A very fine-grained (cryptocrystalline) variety of the silica mineral quartz. A form of chert, it occurs in concretionary, mammillated, or stalactitic forms of waxy lustre and has a compact fibrous structure, a fine splintery fracture.

Broader concept

Source

  • https://www.britannica.com/topic/chalcedony

Editorial note

  • 5.4

In other languages

URI

https://vocabs.acdh.oeaw.ac.at/defcthesaurus/chalcedony/3.13

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