Carved Stone Face Mask Tribal Agate? Jade? Heavy Handmade Artist chiseled face

This is a piece of carved stone It is carved in the image of a face or a face mask … it is tribal looking… I’m not sure of the stone? Is it agate? Is it Jade? It is cold to the touch and heavy. There is some damage on the corner and on the headdress, and on the back where the holes are please see photos 4 1/2” Tall x 3 1/4” Wide Weighs 1 pound 8 oz