SPANGOLITE



Spangolite, a copper aluminum sulfate hydroxide chloride hydrate mineral, was first reported from Sterling Hill by Jenkins (1993a). It occurs as aggregates of 30 micron, hexagonal, bright-green, platy crystals which were verified using X-ray diffraction methods and semi-quantitative chemical analysis methods. This spangolite was found intimately associated with brochantite "in a small, partially oxidized sulfide pod in ore near the footwall contact of the east limb of the Sterling Hill orebody." The specific site was "on the south wall of the 740 crosscut, 800 level, at approximate mine coordinates 730N, 960W" (Jenkins, 1993a). Spangolite has not been reported from Franklin. (Dunn, 1995)

 Location Found: Ogdensburg
     
 
     
 Formula: Cu6Al(SO4)(OH)12Cl · 3H2O
 Essential Elements: Aluminum, Chlorine, Copper, Hydrogen, Oxygen, Sulfur
 All Elements in Formula: Aluminum, Chlorine, Copper, Hydrogen, Oxygen, Sulfur
     
 IMA Status: Valid - first described prior to 1959 (pre-IMA) - "Grandfathered"
     
     
 To find out more about this mineral at minDat's website, follow this link   Spangolite

     
 References:
Dunn, Pete J. (1995). Franklin and Sterling Hill New Jersey: the world's most magnificent mineral deposits. Franklin, NJ.: The Franklin-Ogdensburg Mineralogical Society. p.639
The Picking Table References
 PT Issue and PageDescription / Comment
View IssueV. 34, No. 1 - Spring 1993, pg. 6Spangolite From The Sterling Mine Ogdensburg, New Jersey
     
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