Turquoise Stone
The age of turquoise
According to the historical evidence, the discovery, extraction and use of turquoise goes back to 5000 years BC and ancient Egypt, and it is considered among different stones, including stones...
Tag Archives: lithology
onyx stone
The name Onyx is derived from the Greek word Nux, which means "nail" or "sharp claw of animals". The reason for this name is that the onyx stone can have veins on it that are similar to the...