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Does an obsidian rock have minerals you can see with magnification?
Wiki User
∙ 7y ago
No, obsidian is volcanic glass.
Wiki User
∙ 7y ago
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What are some examples of rocks cooled quickly?
Two examples that come to my mind right away are Basalt and Obsidian. You can tell on your own if a rock has cooled quickly by whether or not you can see individual grains of minerals within the rock. So if you cant see any, then its most likely that the rock cooled quickly.
What igneous rock has no visible crystals as a result of rapid cooling?
Obsidian rocks are cooled very fast, and you cannot see the crystals in them.
A name of a black rock that you can see through by putting in sunlight?
It is an Obsidian Stone. Also known as The "Apache Tears".
How do the mountains rocks change colors o the minerals?
When you look at a rock and see different colors, those colors are minerals .The pressure and heat causes the minerals in the rock to change into different minerals which cause the different colors in the rocks.
What collor is obsidian rock?
shiny black. if it is cut thin enough, it looks like gray glass because you can see through it.
What would people see in canada in the 1800?
mostly rock,minerals and diamonds
Is a stone made of atoms?
All rock, with few exceptions (like obsidian), is made up of minerals.
What property are geologists focusing on when they do scratch tests?
To see if a rock is hard are soft.
Can you see crystals with 400X magnification?
Yes. If the crystals are big enough. Often you can see crystals with no magnification at all!
What is a sentence for magnification?
We had to increase the magnification of the microscope in order to see the cells clearly.
Can you give a good description of obsidian?
This is taken from the Wikipedia article: "Obsidian is a naturally occurring volcanic glass formed as an extrusive igneous rock." Igneous means that the material obsidian is made of is molten initially. Extrusive means that the material pours or explodes out of volcanoes, as opposed to remaining under the earth's surface. See links for more.
How do you use magnification in a sentence?
We had to increase the magnification of the microscope in order to see the cells clearly.
