Brooch Antique Victorian Scottish Silver Granite Pin 1865 Mother Of Pearl Estate Rocks Fossils & Minerals

Antique Victorian Scottish Silver & Granite Pin Brooch C 1865 Mother Of Pearl.
This is an estate sale find with original owner’s purchase at Justine Mehlman Antiques in Washington DC.
Description reads as follows
3” in length
A fine Victorian Scottish pink and gray granite brooch with mother of pearl backing circa 1865
Also testing of metal indicates sterling silver
A rare find in excellent condition. Please ask me any questions you might have.
E4