Fluorite is sometimes confused with emeralds, amethysts and garnets for this reason. Large gems are rare and most fluorite stones used in jewelry are small. Fluorite was the first mineral that was ...
According to the latest data released by the Ministry of Natural Resources, China invested a total of 400 billion yuan in mineral exploration during the 14th Five-Year Plan period, with over 90% of ...
THE mineral sphalerite is well known as a ready solvent, at elevated temperatures, for a number of other sulphides. On cooling, such a homogeneous solid solution unmixes, producing exsolution ...