Location Found: Franklin
 Formula: (Na,Ca)(Fe3+,Fe2+,Mg,Al)Si2O6
 Essential Elements: Iron, Oxygen, Silicon, Sodium
 All Elements in Formula: Aluminum, Calcium, Iron, Magnesium, Oxygen, Silicon, Sodium
 IMA Status: Redefined Approved 1988
 To find out more about this mineral at minDat's website, follow this link   Aegirine-augite

Frondel, Clifford (1972). The minerals of Franklin and Sterling Hill, a checklist. NY.: John Willey & Sons. p.39

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