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About SardHide

A variety of Chalcedony

A brown to brownish-red translucent variety of chalcedony. Pliny the Elder stated that it was named after Sardis, in Lydia, where it was first discovered; but the name probably came with the stone from Persia (Persian sered = yellowish-red).

Visit gemdat.org for gemological information about Sard.

Chemical Properties of SardHide


Other Language Names for SardHide


Common AssociatesHide

Associated Minerals Based on Photo Data:
1 photo of Sard associated with AragoniteCaCO3

Other InformationHide

Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

Internet Links for SardHide

Localities for SardHide

This map shows a selection of localities that have latitude and longitude coordinates recorded. Click on the symbol to view information about a locality. The symbol next to localities in the list can be used to jump to that position on the map.

Locality ListHide

- This locality has map coordinates listed. - This locality has estimated coordinates. ⓘ - Click for further information on this occurrence. ? - Indicates mineral may be doubtful at this locality. - Good crystals or important locality for species. - World class for species or very significant. (TL) - Type Locality for a valid mineral species. (FRL) - First Recorded Locality for everything else (eg varieties). Struck out - Mineral was erroneously reported from this locality. Faded * - Never found at this locality but inferred to have existed at some point in the past (eg from pseudomorphs.)

All localities listed without proper references should be considered as questionable.
  • Baden-Württemberg
    • Freiburg Region
      • Waldshut
        • Waldshut-Tiengen
          • Detzeln
Falkenstein, F. (2010): Ein bislang unbekanntes Mineral- und Fossilvorkommen im Porphyr-Steinbruch bei Detzeln, im südöstlichsten Schwarzwald. Aufschluss, 61, 157-74.
  • Gujarat
    • Vadodara District
      • Zaghadia (Jhagadia)
Richard M. Pearl: "Minerals of India", Mineral Digest, vol. 2.
  • Dornogovi Province
Pavel M. Kartashov data
  • Zabaykalsky Krai
    • Buriatia Republic (Buryatia)
      • Tuldun river
Igor Savin data
  • California
    • Imperial Co.
MacFall, P.M. (1951) Gem Hunter's Guide (1st ed.). Science and Mathematics Publishing Company, 187 pages.
Pelletier, 1962. Mineral Species & Localities of Marin County
    • Siskiyou Co.
Dorothy M. Schlegal (1957) Gem Stones of the United States : USGS Bulletin 1042-G
  • Connecticut
    • Litchfield Co.
      • Torrington (Wolcottville)
Orcutt, Rev. Samuel. (1878), History of Torrington, Connecticut. J. Munsell, Albany: 174-179.
  • New Jersey
Gems and Minerals of America -Jay Ellis Ransom-1974
  • New Mexico
    • Cibola Co.
Minerals of New Mexico 3rd ed.
Mineral and/or Locality  
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