Welcome to the forum!
For the hardwoods that have a PG counterpart, I’d start with the PG settings and go from there. I highly recommend this test strip for dialing in your settings on new materials: New material cut test method
As for your spreadsheet, there are a few others who had attempted something similar; you might want to join forces with some of them. Here’s a search that will help you track them down: https://community.glowforge.com/search?q=material%20spreadsheet