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an odsidian rock is black,shiny and kinda glassy.
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∙ 13y ago
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Is obsidian man made?
Obsidian is an igneous rock. Rocks are not man-made. Man-made substances that are similar to rock include concrete and cement.
How does obsidian rock get its different colors?
how can a blue obsidian rock be blue
Does obsidian rock float?
no
A black rock formed from cooled lava?
Obsidian
Which rock is igneous and is black?
obsidian rock
Is obsidian man made?
Obsidian is an igneous rock. Rocks are not man-made. Man-made substances that are similar to rock include concrete and cement.
Which characteristic provides the best evidence that obsidian rock formed in an extrusive environment?
noncrystalline glassy texture
What is a glassy rock?
Obsidian is a naturally occurring volcanic form of glass.
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.
How does obsidian rock get its different colors?
how can a blue obsidian rock be blue
Is obsidian extrusive rock?
No. Obsidian is volcanic glass. Glass is amorphous and thus noncrystalline.
Is volcanic rock obsidian?
No. Obsidian is just one of many types of volcanic rock.
Teotihuacan is famous for artifacts made from?
Volcanic rock.
What is the obsidian rock type?
Obsidian is an extrusive felsic igneous rock.
How was the rock obsidian made?
Obsidian is a volcanic or igneous rock. It is formed when lava dries up.
What igneous rock has no visible crystals?
Granite is a coarse grained igneous rock without Pyroxene.
