Copper (significant large crystal)

Item Description

Significant large copper crystals are actually quite rare in nature, and this crystal is a composite of a huge crystal with smaller outgrowths, overall hefty and impressive in the hand. The specimen gives new meaning to the term "robust" in terms of copper crystal size. It is very impactful for the size, and has an unusual aesthetic compared to so many other old Michigan coppers, that often are not so interesting on display. These crystals are big and fat, but more important to some collectors might be that it has a really nice, rich surface patina that only comes on old, uncleaned pieces. (The photos shows the best patina, as it was shot in normal room lighting - video or photos shot in halogen give it a more brassy look). It is crystallized ALL around and is complete 360 degrees, with no damage. Ex. Columbia School of Mines collection, with a good old label showing that it was part of the major historic Columbia collection absorbed by the American Museum of Natural History in NYC in the past, and giving a specific and valued mine name that most old coppers have lost in the intervening century or so. This attribution is really important to value such old coppers. This would certainly be of pre-WWI vintage, early 1900s or before in the late 1800s. Valued $2500-plus.