Actually a lot of Acacia species can be found all over in the Philippines. They are not really hard. One good quality of this wood is the strength of the heartwood specially if the tree is really old. In the Philippines, these trees were grown along the streets and avenues, sometimes in the middle island of the streets. There are lot of suburban trees that were toppled down by the typhoon and due to development of residential area nearby Manila.. However since they were young and no one bother to resaw and dry them, it became a source for charcoal makers.
In my case, my wife brought 4 slabs of these acacia. She paid only for the transport. It was cut fresh from a residential house that the acacia tree was already a danger to his house. I made these into two rustic benches and a round table… that was 5 years ago.. It was not seasoned. Thereafter the borers insects tribe on it. It was also exposed to sun and rain. Only this year that I decided to dismantle it and reclaim some wood. What I noticed the heartwood remain intact and the quality is really good while the sapwood is totally unusable. Here are some of the wood I recovered: (Photos shown are the nice grained, some not shown are just plain brown)