Not Ipe ... we use it alot here. I thought Bubinga before but it usually is more brown, I keep thinking it must be some kind of rosewood ... but- It is a 2'x2'x1.7 inch block though gotta figure what to do with it as it is begging to be made into something.
Even though that is a glue-up, the boards look a little wide to be a true rosewood.
There's .56666. cubic foot there. The weight won't define what it is particularly, but the weight will go a long way in eliminating possibilities.
For example, east indian rosewood would make that sample weigh a little over 31 lbs. Lumber and Hardwood Weight Calculator - Inch Calculator
Blood diamonds (also called conflict diamonds, brown diamonds, hot diamonds, or red diamonds) are diamonds mined in a war zone and sold to finance an insurgency, an invading army's war efforts, or a warlord's activity.