Precious and semi-precious stones which are the difference Anyone needs to understand the difference between a precious and semiprecious stone, its meaning, and properties. But it is even more important for the merchant since that will depend on the commercialization value of the piece. Currently, the precious stones are:
The diamond. The Rubi Sapphire The Emerald
This is a traditional classification that differentiates morganite and has been maintained over time. The difference between precious and semi-precious is based on the differences in their main characteristics: the hardness, rarity, and perfection of the gems.
One of those reasons is the scarcity or difficulty to locate them in nature, within this category we only find four gems and they are: white diamond, ruby, emerald, and blue sapphire since they are more difficult to find. There are few mines that currently they are of these pieces. Durability is also an important property and characteristic of these valuable stones. For them, there is a measurement scale known as the Mohs scale that