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Full-time professional mineral dealer with over 31 years experience in mineral collecting
And 15 years selling mineral specimens on the internet and at major mineral shows
Photomicrograph showing four groups of paracostibite grains (white) associated with sphalerite (grey), and chalcopyrite (liglit grey). Dark areas are pits. (CanMin v 10:232).
Drill-core from claims held by Cochenour Willans Gold Mines Ltd. in Mulcahy Township, District of Kenora, Red Lake Mining Division, Ontario, Canada.
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