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Dendritic Agate

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About Dendritic AgateHide

A variety of Chalcedony

Chalcedony containing dendritic inclusions.

Visit gemdat.org for gemological information about Dendritic Agate.

Chemical Properties of Dendritic AgateHide


Common AssociatesHide

Associated Minerals Based on Photo Data:
Psilomelane3 photos of Dendritic Agate associated with Psilomelane on mindat.org.

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 Dendritic AgateHide

Localities for Dendritic AgateHide

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.
  • Manitoba
    • Souris
Ormerod, M. J., M.D. (1964) Gemstones of Manitoba: Lapidary Journal, v.18, no. 6, p. 704.
  • Maharashtra
Karel Bal Collection
Christian Bracke Collection
  • Arizona
    • Apache Co.
Trout, P. W. 1976 The desert field trip: Lapidary Journal, v. 30, no. 10, p. 2266, 2282.
    • Mohave Co.
      • Hualapai (Hualpai) Mts
        • Boriana District
Pabian R. Agate Lexicon UNL Database
  • California
    • Kern Co.
      • Loraine District
        • Sugarloaf Mountain
Johnson, H. C. 1971 Western Gem Hunters Atlas, 11th Edition: Cy Johnson & son, Susanville, Calif., 95 p.
    • San Bernardino Co.
      • Opal Mountain
  • Kansas
  • Montana
    • Deer Lodge Co.
Donald Volkman personally collected
  • Nebraska
  • Nevada
    • Humboldt Co.
NBMG Spec Pub 31 Minerals of Nevada
  • New Mexico
    • Socorro Co.
The Mineralogist, v. 9, no. 5, p. 181.
  • Oregon
    • Jackson Co.
      • Medford
The Mineralogist, 21(12):462.
  • Tennessee
    • Bedford Co.
Zeitner ,1968. Appalachian Mineral & Gem Trails
  • Texas
    • Brewster Co.
Big Bend Country: Lapidary Journal, v. 16, no. 5, p. 527-530.
  • Wyoming
    • Big Horn Co.
Walker, D. and C. (1990) Cross country Mining: Lapidary Journal, v. 44, no. 1, p. 81-86. Trapper Creek Agate, Wyoming
USGS 1970 PP495-C Cenozoic geology of the Granite Mountains area, central Wyoming
Mineral and/or Locality  
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