I found this HUGE rock in my backyard and im wondering if its a gem. wat r some ways to tell if it is?

Question

I found this HUGE rock in my backyard and im wondering if its a gem. wat r some ways to tell if it is?

Answer 1

you found a large rock in your backyard? thats freaky! Well ussually the colour should help you but maybe you should put a picture up on here of it so then some geologist can look at it