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:

Transparent to translucent orthorhombic mineral, a member of the baryte group. It is colorless with faint shades of blue (alluded to by its name), red, white and other hues. Celestine occurs mainly in sedimentary rocks, especially dolomites and dolomitic limestones, and is mined for its strontium content.