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What are 2 uses of volcanic rock?
I think there are more than two uses of volcanic rock. There are two FORMS of volcanic rock. One is pumice and the other is obsidian. Pumice is often used for landscaping, personal beauty uses (callus removal), etc. The other is obsidian. Obsidian is like glass and ancient people's used it for tools. Knives, arrowheads, and other tools that one would want to have a sharp edge are perfect uses of obsidian. In modern times, obsidian is used for jewelry, art, and even some modern day surgical tools. Check out geology.com if you have more questions about rocks...
What are the uses of an obsidian rock?
Obsidian is an extremely sharp type of glass, so it is often used to make knives and scalpels.
What ae the common uses of obsidean?
The common uses of obsidian are to make jewelry and Stone Age arrowheads. The obsidian is shaper when they are made in a specific way the colors are usually shiny black.
What are common uses for obsidian rock?
its used to make tools and jewlery
What are uses of obsidian?
That is a volcanic glass. In ancient times it was used to make arrow heads and to make mirrors when it was polished. You can order a mirror using obsidian glass but it will cost you.
Can obsidian be clear?
In some very rare instances, obsidian can be nearly colorless, but normally it is brown to black.
What is obsidian for?
Obsidian is a glasslike volcanic rock that ancient people made arrowheads and spear points from. Some of these are wonderful works of craftsmanship.
How does the process of melting obsidian affect its physical properties and potential uses?
When obsidian is melted, its physical properties change because it becomes more malleable and can be shaped easily. This makes it useful for creating tools, weapons, and decorative items. The melted obsidian can also be used in glassmaking and as a material for artistic creations.
What are every day uses of obsidian?
It can be use for jewellery and stone age arrowheads, as the obsidian was much sharper when made into a specific shape. It can be sharpened to a very thin thickness. It is very shiny and is black. This is why Obsidian is common to be used in jewellery. Obsidian is igneous rock, which means that it was formed either inside (intrusive) or outside (extrusive) of the volcano. Igneous rocks are basically cooled lava, or magma.
Is obsidian malleable?
No. Obsidian is brittle.
What is a type of obsidian?
One type of obsidian is snowflake obsidian, which is black with white mineral inclusions that resemble snowflakes.
What are the minerals in obsidian?
Obsidian is, itself, a mineral.
