Types of beach sand

there was only three types that i've been found till now.. there are ;

Black sand beach

 Brown Gold sand beach

and white sand beach.... very white i think ;)

so, what do you like most guys?

Ps. Courtessy from my travelling at senggigi (Lombok island), Pamengpeuk (Garut, west java), n cowo-cowo beach (South-east Sulawesi)