#gemstones
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
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