Black Agate pendant necklace

Beautifully smooth Black Agate gemstone necklace.  Great statement accessory, lovely triangle shape! Wear long or short adjust length with sliding knots! Looks great with outfits for all seasons! Size of gemstone is 4 cm high and 3 cm wide.  Necklace cord is made from cotton and is 2mm thick.  Necklace at it's longest length is 28 inches = 71cm. Shortest length of necklace collar bone area. Carefully packaged in a lovely gift bag.