Black sand

Jump to navigationJump to search
  1. An alluvial or beach sand consisting predominantly of grains of heavy, dark minerals or rocks (e.g., magnetite, rutile, garnet, or basaltic glass), concentrated chiefly by wave, current, or surf action. It may yield valuable minerals. See also: beach placer
  2. An asphaltic sand. AGI

Source: Dictionary of Mining, Mineral, and Related Terms

Sponsor: Scopri le nuove collezioni donna dei migliori brand