In the early part of the 1800s, some people felt that California and Oregon were too far from the East to become states. However the coming of the railroad changed people’s minds. Gradually railroads were improved. People began to dream of a railroad that would connect the East with the West. Soon, plans were made…

Mined all across the world, calcite is a common carbonate mineral, and a major component of both limestone and marble. Calcite is known for its rhombohedral cleavage, meaning it breaks along planes that intersect at angles other than 90 degrees, forming diamond-shaped faces.  Color Calcite is typically white, but can also come in red, gray, orange,…