grapewood

Now this might be a weird thing to ask, but... anyone know what kind of wood this is? I got it at a chain pet store as "driftwood". All Living Things brand... it's heavy and sinks in water. Front Back Close up of back texture After reading about how Grape wood will mold away in moist...

I can't tell if this piece of wood is grapewood or mopani (or something else). I don't want to use it for my viv if it's grapewood. Can any of you guys tell what it is? It's a fairly large piece, as you can see from the photo, and it weighs about 3 lbs. (That's an 18 inch ruler in the photo...

I'm currently planning for my first terrarium build for some FBT and am looking for some advice about grapewood. I've read from various websites that you shouldn't use grapewood in a humid environment or for water feature due to rot and mold. While other sites say it's ok to use it in this type...