Golf
Well there are many type of sand use to build sand trap some uses imported sand which play better and drain faster but it cost a lot than local sand which has larger granules which is really not ideal.
Greensend rock does not exist. You are thinking of greensAnd rock - a sand or sediment having a dark greenish colour caused by the presence of glauconite. It can be fossil - rich.
Greensand or Green sand is either a sand or sandstone, which has a greenish color. This term is specifically applied to shallow marinesediment, that contains noticeable quantities of rounded greenish grains. These grains are called glauconies and consist of a mixture of mixed-layer clay minerals, such as smectite and glauconite mica.
what sport do you use a sand wedge <><><> Golf- when your ball lands in a sand trap.
A "sand wedge" is used in the sport of golf.
GolF
a round sand ball
A "sand Iron" is a golf club (iron) designed to hit a golf ball out of a sand trap or bunker.
Some hunt it for cloathing, or even for sport.
sand and paint them
Tennis
Beach Volleyball.