Good morning. Been searching the net trying to figure it out but it's hard . I am from Minnesota but living Egypt . Where I live they are building and doing alot of rockblasting . Any ways I found this rock. . When searching the forms here. I did find something like it but thefference is there is alot of hold and bubbles in it. I think it's green obsedine (sorry spelling). It looks like glass but it's very heavy. It scraches glass . There is also a seed ? Or something trapped in it. Lava glass? It looks like a crystal but not see through . I will try to post a pic but it will not do it ju