CALCITE

Calcite is a common mineral found in sedimentary rocks, and it's known for its transparent to translucent appearance. It often exhibits a wide range of colors, including white, orange, blue, green, and more. Calcite is notable for its rhombohedral crystal shape and is commonly used in the production of cement, as well as in the manufacturing of various products like chalk, marble, and even antacids. It's also a popular mineral among collectors due to its diverse colors and formations.