Central Mine
Keweenaw County
Size: 12.5x8.0x1.4 cm
Largest crystal size: 12mm mm
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Here is an interesting one! It is largely a plate of copper encrusted with a light greenish silicate mineral(s). Interestingly, there are several fairly sharp copper crystals poking through the silicate, here and there, on both sides. Nice crystals!

All prices in Canadian dollars. For payment in US$, deduct 25% or multiply by 0.75.

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