My friend found this rock in the mountains of Morocco and the locals have never seen anything like it. It is very heavy for its size an weighs 16 kgs. He tried to cut a piece of it but it is very hard and even resistent to acid. It seems to be green inside. thanks in advance for your help. http://www.flickr.com/photos/114206976%40N05
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Please help idenify this rock!
Submitted by sam2014 on Fri, 01/17/2014 - 00:27.My friend found this rock in the mountains of Morocco and the locals have never seen anything like it. It is very heavy for its size an weighs 16 kgs. He tried to cut a piece of it but it is very hard and even resistent to acid. It seems to be green inside. thanks in advance for your help. http://www.flickr.com/photos/114206976%40N05