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Diamond Jo Quarry, Magnet Cove, Hot Spring Co., Arkansas, USA

Ref.: Rocks & Min.: 63:109 & 64:298 & 300-307; Appleman, et al(1987); Stone, et al(1982); Barwood, H (1995), Benitoite and Joaquinite in Arkansas, Min.News: 11(5):2, 5. A stone quarry in garnet-pseudoleucite syenite in an alkalic ring-dike complex also including nepheline syenite pegmatite, ijolite and carbonatites. Quarried for railroad ballast rock. Located on the South rim of Magnet Cove formation. Started in the 1870's and worked sporadically until 1900's. Owned by Henry de Linde of Mabelvale, Arkansas. Mineralization is in miarolitic cavities in the rock.





Mineral List:
  		•  Aegirine
  		• Anatase
  		• Andradite
  		• Apatite-(CaF)
  		• 'Apophyllite'
  		• Barytocalcite
  		• Benitoite
  		• Brookite
  		• Calcite
  		• Catapleiite
  		• 'Clinopyroxene Subgroup'
  		• Crandallite
  		• Delindeite (TL)
  		• Elpidite
  		• Fluorite
  		• Joaquinite-(Ce)
  		• Kassite
  		• Kupletskite
  		• Labuntsovite-Mn
  		• Lorenzenite
  		• Lourenswalsite (TL)
  		• Magnetite
  		• Molybdenite
  		• Narsarsukite
  		• Natrolite
  		• Nepheline
  		• Orthoclase
  		• Pectolite
  		• Phlogopite
  		• Pyrite
  		• 'Pyroxene Group'
  		• Quartz
  		• Sodalite
  		• Sphalerite
  		• Tainiolite
  		• Titanite


    36 entries listed. 33 valid minerals. 2 type localities (valid minerals).

    The above list contains all mineral locality references listed on mindat.org. This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database!
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    Copyright © Jolyon & Ida Ralph 1993-2008. Jobs in Arkansas, USA Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them.Further information contact the Site hosted & developed by Jolyon Ralph. Mindat.org is an online information resource dedicated to providing free mineralogical information to all. Mindat relies on the contributions of hundreds of members and supporters. If you would like to add information to improve the quality of our database, then click here to register.