THORITE



Thorite, a thorium silicate mineral, was first described from Franklin by Kemp (1893a) and subsequently reported from the Cork Hill Gneiss by Frondel (1972). It has not been studied by [Dunn]. It was reported to occur as dark brown 1 cm grains associated with zircon, in pegmatite from the Trotter Mine. It has not been reported from Sterling Hill. (Dunn, 1995)

 Location Found: Franklin
     
 
 Year Discovered: 1829
     
 Formula: (Th,U)SiO4
 Essential Elements: Oxygen, Silicon, Thorium
 All Elements in Formula: Oxygen, Silicon, Thorium, Uranium
     
 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   Thorite

     
 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.383

Frondel, Clifford (1972). The minerals of Franklin and Sterling Hill, a checklist. NY.: John Willey & Sons. p.79
     
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