/r/whatsthisrock
These stones found on the beach in Albania - look like old tiles. Only have markings on one side. What are they?
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Should I get rid of it? Sold to me as salammoniac. Loosely identified as copper sulfate on a different Reddit forum (read caption for details about it) . It’s in a display case. But I’m really worried that it’s hazardous. Owned it for a year.
Mark as read: Add to a list
Mark as read: Add to a list
Mark as read: Add to a list