What is the difference between Carrara and Calacatta marble?

Carrara Marble and Calacatta Marble are products of Italy. Both Calacatta and Carrara Marble are from Carrara, Italy. Quarried from different parts of the Apuan Mountains, they have been a go-to marble for classical as well as modern design for centuries found in many cathedrals and castles all around the globe. Carrara Marble is white with fine gray veins that we widely used originally throughout Europe and then finding its way worldwide.  Calacatta Marble is whiter background with elegant gray and gold veining also used and seen throughout Europe and later worldwide. Put another way, Carrara is a deeper gray with much softer veining, while Calacatta Gold whiter with thick, substantial veining. Carrarar Marble is less formal as well as less expensive. Calcatta Gold is a highly sought after marble and price accordingly. Calacatta Gold is seen in the finest of homes and typically master baths. Stone Quality: Italian marble in general and specifically Carrara Marble and Calacatta Gold Marble unrivaled in the natural stone world when it comes to its durability, desirably and elegance. It’s synonymous with luxury, timelessness and sophistication and is seen as a symbol of status in residential and commercial buildings around the world.