CLINOCLASE



Clinoclase, a copper arsenate hydroxide mineral, was identified from Sterling Hill employing X-ray methods. It occurs rarely as a glassy, dark blue, semitranslucent mineral in 1-2 mm crystals with covellite on franklinite/willemite ore. It is not known from Franklin. (Dunn, 1995)

 Location Found: Ogdensburg
     
 
 Year Discovered: 1830
     
 Formula: Cu3(AsO4)(OH)3
 Essential Elements: Arsenic, Copper, Hydrogen, Oxygen
 All Elements in Formula: Arsenic, Copper, Hydrogen, Oxygen
     
 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   Clinoclase

     
 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.666
     
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