Thank you for your help... ~:-)

I need to talk to the guy who planted the tree...

For now I got three detail images* of the wood but I can not decide which fits best to mine:

Spondias pinnata:
http://images.lib.ncsu.edu/luna/servlet/detail/NCSULIB~2~2~14589~121833?printerFriendly=1

Blighia sapida:
http://images.lib.ncsu.edu/luna/servlet/detail/NCSULIB~2~2~20982~114999?printerFriendly=1

Spondias purpurea:
http://images.lib.ncsu.edu/luna/servlet/detail/NCSULIB~2~2~14594~121844?printerFriendly=1

*I can not put the images directly into the post for copyright reasons but I can provide the reference links here