Respuesta :

Answer:

A type of granite?

Explanation:

The photo is a bit hard to see, but I'm guessing, from its smooth edges and the streaky colours that its a type of granite?

Looks like the type of granite used on granite tabletops....

I might be wrong, it's just a guess!

Hope this helped in some way....

Bluey :)

I think it may be, from the texture obsidian, or marble, which is made from limestone
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