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What else can I help you with?
Which is harder obsidian or plain regular rock?
Impossible to say, not knowing the definition of plain regular rock. There are some rocks harder than obsidian, while many are softer.
Why doesn't pumice or obsidian turn into a metamorphic rock?
Pumice and obsidian are both forms of volcanic glass, which weathers away fairly easily.
Is obsidian metamorphic igneous or sedimentary?
Obsidian is an igneous rock.
What does rock group does obsidian belong to?
Obsidian is in the Igneous rock group.
Is obsidian extrusive rock?
No. Obsidian is volcanic glass. Glass is amorphous and thus noncrystalline.
Can Obsidian turn into Granite?
No, Obsidian and Granite are two different types of rocks with distinct properties. Obsidian is a volcanic glass formed from rapidly cooling lava, while Granite is an igneous rock made up of various minerals like quartz and feldspar. They have different mineral compositions and formation processes, so Obsidian cannot turn into Granite.
What is the obsidian rock type?
Obsidian is an extrusive felsic igneous rock.
Is volcanic rock obsidian?
No. Obsidian is just one of many types of volcanic rock.
Teotihuacan is famous for artifacts made from?
Volcanic rock.
How obsidian rocks form?
They are formed when either a sedimentary rock or a metamorphic rock are exposed to high heat and turn into magma and then cool quickly.
What is the common name for obsidian rock?
The common name for obsidian rock is volcanic glass.
Dark igneous rock formed from lava?
obsidian obsidian
