transparent, hard, good color, these types of stones are cut and polished and then they become gemstones from normal stones
This would be called a gemstone.
In an unpolished or a rough gemstone the reflection of light is poor. To take out the brilliance of a gemstone it has to be cut and polished. For a diamond RBC (round brilliant cut) takes out its true worth.
A rare mineral that can be cut and polished could be called a gemstone.
jewelry
gem
its a gemstone
The definition of a gemstone is a precious or semiprecious stone, especially one that has been cut, polished, and used in a piece of jewelry.
The side of a cut jewel is called a facet. Facets are flat, polished surfaces that are cut into a gemstone to enhance its brilliance and sparkle. The number and arrangement of facets can vary depending on the cut of the gemstone.
A genuine diamond is a natural stone that has been mined, graded, cut and polished, which results in its becoming a gemstone.
The surface of a gemstone is called a facet. Facets are the flat, polished surfaces of a gemstone that refract light and create its sparkle. The number and shape of facets on a gemstone can vary depending on the type of gemstone and the desired cut. Here are some other terms that are used to describe the surface of a gemstone: Table: The flat, polished top surface of a gemstone. Pavilion: The bottom surface of a gemstone, opposite the table. Crown: The upper portion of a gemstone, between the table and the pavilion. Girdle: The narrow band that separates the crown and pavilion. Culet: The small, pointed bottom tip of a gemstone. The surface of a gemstone can also be enhanced by a variety of treatments, such as tinting, foiling, and waxing. These treatments can improve the color, clarity, or brilliance of a gemstone.
When it is polished. Gemstones are rarely glassy when they're rough.
They are the same thing: reference to a mineral that, when adequately cut and properly polished, are aesthetically pleasing to the eye and can fetch hefty prices. Examples: ruby, amethyst, turquoise, and lapis lazuli