Here is a tumbled specimen of emeralds in matrix from North Carolina. It's a nice piece.

Name: Emerald in matrix

Locality: Crabtree Emerald mine, North Carolina

Size:  Entire piece measures 45 x 10 x 4 millimeter

Mass: 35 carats 

Since minerals are difficult to judge by pictures, I do have a return policy! 

Feel free to ask questions!

Will combine shipping. 
Returns accepted within 30 days of arrival for refund of purchase price but no refunded shipping. Returns have to be sent also via priority mail with delivery confirmation and insurance.