Monthly Archives: April 2019

Gemstones Formation

Gemstones that have a mineral origin are found in rock , or in gem gravels derived from these rocks. Rocks themselves are  made up of one or more minerals, and may be divided into three main types. The formation of these three types Igneous, Sedimentary or Metermorphic  is a continues process, best described in terms of the rock cycle. Gem […]