Please help me identify this mineral

[Eebru]

I found it at the southeast coast of Mediterranean after a big storm. It is not magnetic. That's all I know

Here is a close up photo ]1801820[/ATTACH]

 

[Red-Coat]

Don't give up the day job.

 

[Erik Blackburn]

Big chuck of black sand read on black sand beaches and you'll underdstand how black sand develops in the crust as well. The slimely look probably from water.

 

[chub]

yep its a diamond. Good ID. Mediteranean sea bed is littered with huge diamonds