Calcite is a calcium carbonate mineral with a hardness of 3. It comes in a wide variety of forms and colours and is found on every continent of the world. Calcite makes up the major part of marble and limestone. Blue Calcite occurs in massive form and rhombohedral crystals and is found in Mexico and South Africa.
Calcite gets its name from the Greek word “chalix” meaning lime. It comes in a wide variety of colours including, red, green, orange, yellow, blue, pink, clear, black and white. It is one of the most common minerals on Earth, making up the basis of limestone and marble, it takes many different forms and is formed in many different geological environments. Some forms fluoresce blue or red under UV light. It has been used to make cement and mortar and very clear translucent calcite has been used to make gun sights and geological (polarizing) microscopes.
This Mexican Blue calcite piece is 4.73 LB and is 4 1/4" x 7" x 4".
