found a cross on the lake shore. Is it as old as it looks?

[Bparker64]

While looking for arrowheads on a lake side in Alabama, my daughter found a muddy, odd shaped, "rock". after cleaning it with lake water, it reveled itself as this small cross.
It appears to be hand carved due to the non-perfect patterns.
It weighs about the same as dried clay. The back of the cross is not carved and resembles dried clay. The cross is not brittle and the front is smooth and polished.
I will be happy to give any details asked, but i'm not really sure what to look for other than it seems pretty cool. I understand that it may not be very old, but it looks like it is. Any help?
Thanks, Bill

 

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[Tigger]

It appears to be fired clay, with a glaze - you can see the crackles on the front. I have no idea what it would have been used for, since I don't see a hole for hanging, or an attachment on the back.

 

[cw0909]

maybe it was a gift to commemorate a baptism, is the lake man made

 

[Bparker64]

the lake we found it at is lake Weiss, but we were closer to ball-play creek and the Coosa river which had a rich history in Indians and civil war gatherings if that helps. thanks for the input.