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What is true about volcanic glass?
Volcanic glass is the amorphous (uncrystallized) product of rapidly cooling magma.
What type of rock is siliceous volcanic glass?
Siliceous volcanic glass is also known as obsidian.
What is the common name for obsidian rock?
Volcanic glass, or pumice (vesicular obsidian).
Smooth glassy rock that is formed when lava cools?
Obsidian
How much is volcanic glass?
Volcanic Glass Is Worth 6 Dollars US Per Ounce. So Just Weigh And Calculate.
What is true about volcanic glass?
Volcanic glass is the amorphous (uncrystallized) product of rapidly cooling magma.
Does light travel faster in glass then it does in a vacuum?
No, slower.
What is considered to be volcanic glass?
Obsidian, due to its glassy texture made from the super-cooling process.
Extremely rapid cooling lavA in which no crystals form?
the reterded mineral
What is possible origin of obsidian?
Obsidian is volcanic glass, derived from the quick cooling of high silica lava.
What is the name given to the volcanic glass that forms due to very rapid cooling of magma?
Yes obsidian is glassy because it cooled very fast.
How old is the oldest known piece of glass?
Volcanic glass (obsidian's) has been around since the earliest existence of the cooling Earth. Man made glass however can be traced back to 3500 BCE in Mesopotamia.
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 is sometimes known as volcanic glass?
Obsidian is a glass of volcanic origin.
What type of rock had no visible crystals as result of rapid cooling?
Obsidian is an example of a rapidly cooled rock, also known as volcanic glass.
Are the atoms in volcanic glass organized or disorganized?
The atoms in volcanic glass are highly disorganized.
What type of rock is volcanic glass?
Siliceous volcanic glass is also known as obsidian.
