tarjonsten
Tarjonsten is a fictional mineral frequently used in geology education and speculative fiction to illustrate mineralogical concepts. It is not recognized by major mineral nomenclature bodies and has no verified natural occurrence.
Etymology and scope: The name tarjonsten combines a fictional Tarjon region with the Norwegian word sten meaning
Description and properties: Tarjonsten is described as a silicate mineral with a variable composition. In many
Composition and solid solution: Because tarjonsten is fictional, reported empirical formulas differ. It is often described
Occurrence and context: In educational scenarios, tarjonsten is said to form in pegmatites and hydrothermal veins
Classification and use in teaching: Tarjonsten is used to illustrate mineral classification by crystal structure, chemical
See also: Fictional minerals, Mineralogy education, Glossary of mineral terms. References: No peer-reviewed sources verify tarjonsten;