Cobalt is quite rare element found in Earth’s crust. For better use in jewellery Cobalt is alloyed into Cobalt chrome. Cobalt chrome is a bright silvery metal and it is markedly harder and more durable than gold. Cobalt chrome rings require minimal care, they are highly durable and can be worn in nearly any condition or environment. Josef Elias Cobalt band collection presents a combination of variety colors, designs and materials suitable for any occasion.