This rock is 1 1/2 in thick light shines brightly thru it .
would love to post pics but cant figure out how to on this page
When you make a post click the icon I circled below which will allow you to upload a picture:
The first picture is very blurry - can i trouble to try to get a clearer picture?
hard to tell from the picture alone. Looks like quartz/chalcedony. Or maybe gypsum? Can you scratch it with your fingernail?