slag

So I have had this thing for many many years. It has been dropped on concrete never broke as you can see in the top I tried making an ashtray out of it (teenager) with a hammer and large Flathead screwdriver that's all it did after 3hours of banging the ever living out of it... What is this...

So I have had this thing for many many years. It has been dropped on concrete never broke as you can see in the top I tried making an ashtray out of it (teenager) with a hammer and large Flathead screwdriver that's all it did after 3hours of banging the ever living out of it... What is this...

Good Day, just started hunting with my GARRETT 350 and having a blast ! I had a signal and dug what looked like a rock BUT it is extremely LIGHT WEIGHT for its size and did makke my headset go off major ? I broke a small piece off and it looks metallic inside, would this be slag or coke ?? I...

If this isn't Iron Slag or a Meteorite... then what is this? been stumping me for the past few days... i found this odd object in my back yard... now my soil is very known to contain Limonite (goethite after pyrite pseudomorphs, an iron ore) and its known to contain iron artifacts that i find...

Had some rocks I got three of these from an estate sale a while back. The other I found in Lake Michigan. Not sure what they are. Any takers? (top one is from Lake Michigan. 2nd one is yellowish with black elongated crystals, 4th one is a deep green color, and last one is like a quartz...

I thought I would try out my new AT Pro today, so I went down to a popular beach area here in Aarhus, Denmark (I am an American who lives and works here). I searched for just over an hour and called it a day because I wasn't having any luck. The Danes seem to be remarkable for the quantity of...