Augite





 Location Found: Franklin and Ogdensburg
     
 
     
 Formula: (Ca,Na)(Mg,Fe2+,Al,Fe3+,Ti)[(Si,Al)2O6]
 Essential Elements: Calcium, Magnesium, Oxygen, Silicon
 All Elements in Formula: Aluminum, Calcium, Iron, Magnesium, Oxygen, Silicon, Sodium, Titanium
     
 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   Augite

     
 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.431

Frondel, Clifford (1972). The minerals of Franklin and Sterling Hill, a checklist. NY.: John Willey & Sons. p.43


     
Images

     
Augite crystals in calcite with minor willemite from the Sterling Hill Mine, NJAugite crystals in calcite with minor willemite from the Sterling Hill Mine, NJ under shortwave UV Light
Augite crystals (black) in calcite with minor willemite from the Sterling Hill Mine, NJ. From the collection of, and photo by JVF.
Augite crystals in calcite with minor willemite from the Sterling Hill Mine, NJ under shortwave UV light. The calcite fluoresces orange-red and willemite green, the augite is non-fluorescent. From the collection of, and photo by JVF.


Augite crystals from Sterling Hill, New Jersey.
Augite crystals from Sterling Hill, New Jersey. From the collection of and photo by Ken Reynolds.


Augite crystals from the Sterling Hill Mine, Ogdensburg, NJ
Augite crystals from the Sterling Hill Mine, Ogdensburg, NJ. 3 1/4" x 4". From the collection of JVF, photo by WP.







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