can u help me identify this shell/bivalve?

[jade]

Hi, my husband found this live bivalve in one of the islands/shores here in the philippines. This is our first time to see such beauty. Do u know this species? Please help identify. Thanks! <img src="smile/tongue.gif" alt="" border="0" />
<img src="http://img287.rockyou.com/imagehost/8/8485/8485674/8485674_731118bf1203516020_m.jpg" alt="http://img287.rockyou.com/imagehost/8/8485/8485674/8485674_731118bf1203516020_m.jpg" style="border:0" />
<img src="http://img335.rockyou.com/imagehost/8/8485/8485666/8485666_ece675e21203515853_m.jpg" alt="http://img335.rockyou.com/imagehost/8/8485/8485666/8485666_ece675e21203515853_m.jpg" style="border:0" />
<img src="http://img357.rockyou.com/imagehost/8/8485/8485687/8485687_718b1ef41203516146_m.jpg" alt="http://img357.rockyou.com/imagehost/8/8485/8485687/8485687_718b1ef41203516146_m.jpg" style="border:0" />
<img src="http://img329.rockyou.com/imagehost/8/8485/8485692/8485692_5a709f551203516226_m.jpg" alt="http://img329.rockyou.com/imagehost/8/8485/8485692/8485692_5a709f551203516226_m.jpg" style="border:0" />