Herkimer Rock Crystals averaging 14mm x 6.5mm with Brushed Sterling Silver Spacers & Crystal    and Sterling Silver Clasp.  The Length of this beautiful necklace is 45cm (17.5").  When Herkimer      Rock Crystal was first found it was mistaken for diamonds.  The Herkimer Rock Crystal is much sort after as it has such a high reflective value.  It is often referred to as Herkimer Diamonds.                         It is believed that Herkimer Diamonds have metaphysical properties.  The Crystal and Silver clasp  can be worn as a feature in front or at the back.