It is a garnet. The shape is key. The most likely variety of garnet is almandine. If you use some fine steel pointed tools you should be able to clean it up some.
I noticed this was your very first post - so, Welcome Aboard Coyle! You didn't list your state (or country) in your profile. So, you might consider jumping over to Sub-Forums: Select Your Area.... for information (i.e., clubs, hunts, finds, legends, maps, etc.) directly related to your state (or country).