#gemstones
terrain What is the most common type of gemstone in the world?
The most common type of gemstone in the world is quartz. Quartz is a mineral that is found in many different types of rocks and is commonly used in... Read more
nature How do the different types of gemstones contribute to the study of geology?
Gemstones are a fascinating subject of study for geologists. These precious stones are formed deep beneath the earth's surface and can tell us a lot... Read more