I like the concept and execution.
never turned Lignum, what is it like, I do understand it is an oily wood.
lignum is great to turn but you need sharp tools.
you also need to remember that there are a few different species of lignum.
both are easy to tell apart when you know what to look for.
http://www.wood-database.com/verawood/http://www.wood-database.com/lignum-vitae/the genuine lignum species (guaiacum officinale and guaiacum sanctum) which are what old lawn bowls are made from is a completely different beast to the bulnesia species (bulnesia arborea and bulnesia sarmientoi) which often go by the name of palo santo, argentine lignum or verawood. these two species have a much looser grain than the genuine lignum but both have their pros and cons when it comes to turning.
personally i find the argentine lignum fairly easy to turn and to get a good finish on but the genuine lignum takes either alot of sanding or a very fine cut with a freshly sharpened negative scraper. i find it best to scrape to a fine finish and then only sand a small amount with a high grit and finish by buffing with its own shavings.
it is oily and waxy enough to finish itself, like cocobolo.
nice glasses pete but i do not think the bases look right.