Black Amethyst Cluster. The picture listed is what you will get 

Black Amethyst a highly luminous gem from the Amethyst mines in Uruguay. The minute druzy crystals possess a higher concentration of hematite micro-inclusions, giving the Black Amethyst its deep black appearance beneath the myriad of tiny sparkles in each piece This gem offers substantial protection, encompassing all the benefits of amethyst with a heightened intensity. 

Black Amethyst is ideal for creating a tranquil energy within your space....
Black Amethyst is third eye strong; it often helps to strengthen and stimulate spiritual gifts. Therefore you can use Black Amethyst in meditation in similar ways you would other types of Amethyst. The vibrations from the gem may help to awaken and heighten psychic visions and clairvoyant gifts.