Hierarchy classification:

1. top of the aat hierarchies
2. Materials Facet
3. Materials (hierarchy name)
4. materials (substances)
5. [materials by composition]
6. inorganic material
7. mineral

Anotations

Scope note:

Monoclinic crystalline mineral with a combined salt of sodium sulfate and sodium nitrate. Darapskite is found naturally in nitrate ores and in limestone caves. It is more rarely found as a strong saline efflorescence on surfaces of walls and buildings.