black sand
English
Noun
black sand (countable and uncountable, plural black sands)
- (tourism) Basaltic sand of volcanic origin, frequently found associated with volcanic islands.
- (mining) Sand high in magnetite and other iron-rich ferrous minerals, frequently found associated with placer mining.
- Used other than figuratively or idiomatically: see black, sand.
Related terms
- brown sand
- white sand
- yellow sand