I would be grateful if you could help me to identity this stone
thanks
<img src="http://www.treasurenet.com/forums/attachment.php?attachmentid=820812"/><img src="http://www.treasurenet.com/forums/attachment.php?attachmentid=820813"/>
This is a Phyllite with what looks to have chloritoid or garnets within the rock. As the rock weathers away the minerals becomes prevalent on the outside of the rock, but still remains in the rock. These are the "bumps" you see in the picture.