Anatomical Purple Brain Necklace Was £8, now £4.99 £4.99 £4.99 Add To Basket 1 in stock. Another creepy anatomical necklace, sculpted and glazed. This anatomical brain is purple, shaded and is dark red in the middle. The brain is approximately 2", the silver plated necklace is 16" with an extra 2" extension. A creepy, timeless and unusual handmade little treasure.