Blue Calcite
Blue Calcite is a light blue variety of the mineral Calcite. Calcite is a very common mineral and is a main component in chalk, limestone, and marble. Calcite is a crystalline form of calcium carbonate.
Calcium Carbonate (Shown above) is used as a primary component in antacids which are used to reduce stomach acid.
![Blue Calcite Blue Calcite](https://kidsloverocks.com/wp-content/uploads/2020/10/Blue-Calcite.png)