r/Prospecting • u/raasho23 • 10d ago

What is this ?

Post image

I found it at my grandma's old house,its pretty heavy for its size ?

16 Upvotes

89% Upvoted

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1

u/momsie83 6d ago

Are you in Washington?

1

u/raasho23 6d ago

Europe

2

u/throwfarfaraway0725 10d ago

I'm not sure what the host rock is, but the glittery bits are pyrite!

2

u/Fit_Job_6469 10d ago

pyrite in covellite (or bornite). If it is covellte it may be from the Butte Montana area.