What is this

[jimmys]

I have a strange rock, looks to be igneous. Looks like blue obsidian. Could it be richterite, maybe? I need help identifying it.

 

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[rock]

Need to know more details on it. Like where you found it and what state.

 

[Eu_citzen]

Better, more close-up pictures would also help.

 

[rock]

Id like to see both sides of it also. Like the rind as well as the break area.

 

[jimmys]

Here is the other sides of the rock. One of the pictures has obsidian, to show the difference. Thanks.

 

[rock]

Its been a slag glass week. I really like the colors of slag, thanks for the new pictures.