DEFC Thesaurus

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Concept information

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

Preferred term

chalcedony  

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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