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re: Now Closed: I'll answer any question you have about ROCKS!
Posted on 7/10/14 at 4:09 pm to Pectus
Posted on 7/10/14 at 4:09 pm to Pectus
Serious question
There is a clear, almost glass like rock found in the plains. Ive seen it in sheet form in northern Oklahoma. Many settlers used it for windows in their homes.
What is it called and how is it formed?
There is a clear, almost glass like rock found in the plains. Ive seen it in sheet form in northern Oklahoma. Many settlers used it for windows in their homes.
What is it called and how is it formed?
Posted on 7/10/14 at 4:16 pm to FelicianaTigerfan
quote:
There is a clear, almost glass like rock found in the plains. Ive seen it in sheet form in northern Oklahoma. Many settlers used it for windows in their homes.
What is it called and how is it formed?
This?
That sounds like mica. It's actually a mineral! It's formed from the arrangement of silica molecules in a sheet like fashion. Due to this arrangement, this mineral is said to have perfect cleavage, and it's that cleavage that lets you peel it from itself piece by piece until you can get a layer that you can see through.
This form is muscovite. It's formed from cooling of magma at low temperatures over a long time.
Posted on 7/10/14 at 4:20 pm to FelicianaTigerfan
My cousin once hit me in the head with a railroad rock. It left a scar.
Obviously dangerous, should there be a law banning them?
Serious question. When my grandfather plowed his fields in southeastern Ohio, he would unearth these black "glass like" rocks. I had one that was almost as big as a baseball. Always wondered what kind of rock it was. Very sharp edges.
Obviously dangerous, should there be a law banning them?
Serious question. When my grandfather plowed his fields in southeastern Ohio, he would unearth these black "glass like" rocks. I had one that was almost as big as a baseball. Always wondered what kind of rock it was. Very sharp edges.
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