ters ▁sun light ▁without ▁absor bing ▁other ▁colors . ▁ ▁Sand ▁colors ▁The ▁composition ▁of ▁the ▁sand ▁var ies ▁depending ▁on ▁the ▁local ▁min er als ▁and ▁ge ology . ▁Some ▁of ▁the ▁types ▁of ▁sand ▁found ▁in ▁be aches ▁around ▁the ▁world ▁are : ▁ ▁White ▁sand : ▁Most ly ▁made ▁of ▁quart z ▁and ▁lim estone , ▁it ▁can ▁also ▁contain ▁other ▁min er als ▁like ▁f eld s par ▁and ▁gy psum . ▁ ▁Light - color ed ▁sand : ▁This ▁sand ▁gets ▁its ▁color ▁from ▁quart z ▁and ▁iron , ▁and ▁is ▁the ▁most ▁common ▁sand ▁color ▁in ▁Southern ▁Europe ▁and ▁other ▁regions ▁of ▁the ▁Mediter rane an ▁Bas in , ▁such ▁as ▁Tun is ia . ▁ ▁Trop ical ▁white ▁sand : ▁On ▁tropical ▁islands , ▁the ▁sand ▁is ▁composed ▁of ▁calci um ▁carbon ate ▁from ▁the ▁shell s ▁and ▁ske let ons ▁of ▁marine ▁organ isms , ▁like ▁cor als ▁and ▁m oll us ks , ▁as ▁found ▁in ▁Ar uba . ▁ ▁P ink ▁cor al ▁sand : ▁Like ▁the ▁above , ▁is ▁composed ▁of ▁calci um ▁carbon ate ▁and ▁gets ▁its ▁p ink ▁h ue ▁from ▁fragments ▁of ▁cor al , ▁such ▁as ▁in ▁B erm uda ▁and ▁the ▁Bah ama ▁Islands . ▁ ▁Black ▁sand : ▁Black ▁sand ▁is ▁composed ▁of ▁vol can ic ▁rock , ▁like ▁bas alt ▁and ▁obs id ian , ▁which ▁give ▁it ▁its ▁gray - black ▁color . ▁Hawai i ' s ▁P unal u u ▁Beach ▁and ▁F