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it a bumpy smooth metamophic rock
Texture is the word used to describe a rock's constituent mineral size and arrangement, visible on a freshly fractured surface. Because a rock's surface can be weathered to a smooth or polished surface, the way it feels is not usually included in a description of texture.
grayish i think it just looks like rock
Sure, a boulder is a large rock.
Obsidian is an extrusive rock that cooled very rapidly without forming crystals. As a result, obsidian has a smooth, shiny texture of a thick piece of glass.
Igneoys
Obsidian
You get them by digging in the underground. It looks like a long smooth rock.
your thinking of lava rocks probably
It looks kind of like smoky or clear rock... sort of like dirty glass chunks.
Volcanic glass or obsidian.
obsidian is an igneous rock, it is not formed from sediment, or a rock going under heat and pressure for the second time it is formed when a volcano erupts and it cools very quickly giving it a smooth glossy surface like glass.
Well, it feels like glass. It is a volcanic rock that forms after quick cooling that takes on a crystalline structure that would feel like glass. It could be rough in other places, like any other crystal, but it will be fairly smooth.
shiny black. if it is cut thin enough, it looks like gray glass because you can see through it.
This Is What Rock n' Roll Looks Like was created in 2009.
a rock that looks like a flower
it a bumpy smooth metamophic rock