Chrysoberyl belongs to the spinel family in mineralogy. It is an oxide mineral containing beryllium and aluminum, and contains a small amount of trace elements such as iron, titanium and chromium. It belongs to the orthorhombic crystal system, the crystal is short column, plate or pseudo-hexagonal ring, със стъклен блясък, прозрачен до полупрозрачен, твърдост на […]
