mineralogist
A mineralogist or a geologist.
mineralogistes or without the -es just -s
Mineralogists
Geologists
Crystallographer
A person who studies earth and stones is called a geologist. Geologists study the physical structure, processes, and history of the Earth, including rocks, minerals, and soils.
a person who studies people but not an psychologist
A person who studies genealogies is a genealogist.
A person who studies organisms is called a biologist.
A person who studies minerals is called a mineralogist. Mineralogists analyze the physical and chemical properties of minerals to understand their formation, composition, and characteristics. They often work in fields such as geology, mining, and environmental science.
geologist
a person that studies gems is called a gemologist.