This is a natural crystal that is water polished with a cut edge. It is said that they are a "window" to reveal an inner world. These windows are known as the stone of knowledge whereby it is believed that it can take you deep into your inner self/ inner world. Ancient prophets believed that these crystals could provide them revelations relating to the past, present and future.
 
*** These will be intuitively chosen for you. If you Prefer a particular one indicate this at checkout.***
Size: 27-40mm x 40-55mm
Note: Item size, shape, colour and/ or texture may vary and blemishes may be present as this is the nature of natural crystal