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. glass (material)
8. [glass by technique]

Anotations

Scope note:

Refers to a type of glass in which colored glass is mixed with white glass, to create an opalescent effect that resembles clouds. It is often used to create decorative vessels. It is similar in appearance to "reamy glass" and to "Clutha glass," which means "cloudy glass."