sand
granular material composed of finely divided rock and mineral particles, sand particles range in diameter from 0.063 to 2 mm (per ISO 14688)
hydrophobic sand
sand coated with a hydrophobic compound
greensand
sand or sandstone consisting largely of glauconite, a greenish granular mineral
Black sand
Black-colored rock and mineral particles
coloured sand
dyed sand for art and craft projects
molding sand
a sand that when moistened and compressed or oiled or heated tends to pack well and hold its shape
oolitic aragonite sand
sand formed in tropical waters
oil sands
sands naturally soaked with petroleum