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PhotosAdamite - Sterling Mine, Sterling Hill, Ogdensburg, Franklin Mining District, Sussex Co., New Jersey, USA

24th Dec 2012 01:22 UTCPeter Chin Expert

The blue green cryptocrystalline material is most likely chrysocolla. If the occurrence was in calcic willemite, and franklinite ore, I had similar, if not identical, mineral analyzed back in 1972 or '73 BK (Before Kolic) and it was chrysocolla. I believe the occurrence was from one of the stopes of the 340' level. Wallkilldellite is from this assemblage, so take a very close look!

24th Dec 2012 02:31 UTCModris Baum 🌟 Expert

Hi Peter,


Thanks.


I don't remember the matrix - I'll have to dig it up tomorrow. If it's a match, I'll add chrysocolla to the caption.


Modris
 
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