Crystallographer is a specialist who studies the molecular structure of crystals. There are many synonyms for this word, including mineralogist, rock curator, crystal expert, crystallogist, mineral investigator, rock scientist, crystal analyst, mineral examiner, and crystal specialist. Each of these terms implies a degree of expertise and knowledge regarding crystals, and is often used in academic and scientific settings. Crystallographers are important in many fields, including geology, physics, chemistry, and materials science. They use a range of techniques to investigate the properties of crystals and their structures, including X-ray crystallography, electron microscopy, and computational modeling. With their expertise, they play a vital role in many areas of scientific research and discovery.