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What is an extrusive igneous rock that is actually glass?
Obsidian is an extrusive igneous rock that forms when lava cools quickly and solidifies into a glass-like material without crystal formation. It is typically black in color and has a smooth, glassy texture due to its rapid cooling process.
What is a smooth glassy black igneous rock?
The rock you are describing is likely obsidian. Obsidian is a naturally occurring volcanic glass formed during rapid cooling of lava. It is usually black in color and has a smooth, glassy texture.
What igneous rock has a smooth glass like texture?
Obsidian is an igneous rock that has a smooth glass-like texture. It is formed when lava cools rapidly without crystal formation, resulting in a glassy texture.
What is a extrusive rock that is actually glass?
Obsidian is an extrusive rock that is a naturally occurring volcanic glass. It occurs when lava extrudes from a quickly cooling volcano, causing little crystal growth.
Do different types of rock make different types of glass?
Yes, the type of rock used can affect the properties of the resulting glass, such as its color, transparency, and strength. Different rocks have varying compositions and impurities that can influence the characteristics of the glass when melted and formed. For example, silica-rich rocks like sand are commonly used to make glass as they provide a good source of silicon dioxide, the main component of glass.
What rock is called black glass?
Obsidian.
What collor is obsidian rock?
shiny black. if it is cut thin enough, it looks like gray glass because you can see through it.
Can obsidian be bouncy?
I doubt it. Obsidian is a very hard, glass-like black rock that can be split to give a very sharp cutting edge.
What is a rock that looks like smooth glass?
A rock that looks like smooth glass is often obsidian, a volcanic glass formed when lava cools rapidly. It has a shiny, glassy appearance and can be black, brown, or even green. Other rocks that may resemble glass include some types of jasper or agate, but obsidian is the most commonly associated with a glass-like texture. Its smooth surface can be sharp and is often used for tools and decorative items.
What rock looks like smooth glass?
Igneoys
Is obsidian a sedimentary rock igneous rock or a metamorphic rock?
obsidian is an igneous rock, it is not formed from sediment, or a rock going under heat and pressure for the second time it is formed when a volcano erupts and it cools very quickly giving it a smooth glossy surface like glass.
What is an extrusive igneous rock that is actually glass?
Obsidian is an extrusive igneous rock that forms when lava cools quickly and solidifies into a glass-like material without crystal formation. It is typically black in color and has a smooth, glassy texture due to its rapid cooling process.
What is a smooth glassy black igneous rock?
The rock you are describing is likely obsidian. Obsidian is a naturally occurring volcanic glass formed during rapid cooling of lava. It is usually black in color and has a smooth, glassy texture.
What igneous rock has a smooth glass like texture?
Obsidian is an igneous rock that has a smooth glass-like texture. It is formed when lava cools rapidly without crystal formation, resulting in a glassy texture.
What is a extrusive rock that is actually glass?
Obsidian is an extrusive rock that is a naturally occurring volcanic glass. It occurs when lava extrudes from a quickly cooling volcano, causing little crystal growth.
What type of rock is black all the way through non magnetic and non flamable?
Basalt is on of the many rocks that is black, obsidian (a volcanic glass) is another.
Why do extrusive rocks look like shiny black glass?
they dont
