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What else can I help you with?
Does an obsidian rock have minerals you can see with magnification?
No, obsidian is volcanic glass.
What igneous rock does not have any minerals in it?
Obsidian is an igneous rock that technically is not composed of minerals. It is a natural glass.
Teotihuacan is famous for artifacts made from?
Volcanic rock.
What kind of minerals are in the obsidian rock?
!I think there is quarts, but I only think.
How is obsidian dependent to minerals?
how is obsidian dependent on minerals
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.
What igneous rock has no visible crystals?
Granite is a coarse grained igneous rock without Pyroxene.
How do obsidian rocks get from being minerals to a rock?
Obsidian rocks are formed from minerals underground in places like the earth's core and volcanoes. They require heat and pressure, which squishes the minerals together to form a rock. There is air trapped inside the rock when it is formed, which creates the bubbles, or "holes" inside the rock if you look at one. When I find out more about it, then I will let you know more about it.
What are the minerals in obsidian?
Obsidian is, itself, a mineral.
Are all rocks made of minerals?
Not all rocks are made of minerals. Rocks can be composed of minerals or can be made up of organic materials like shells, fossils, or volcanic glass. Some rocks, like coal or obsidian, do not contain minerals but are still considered rocks.
What is a rock made from the cooling of magma?
Igneoous rock is made from cooling of magma. Obsidian is a classic example of igneous rock.
What specific type of rock can NOT be formed from minerals?
There are a couple examples. Coal is a rock, but it is organic and so does not contain minerals. Obsidian and pumice are both varieties of volcanic glass. Since they lack a crystal structure, they are not composed of minerals
