I can't help you on the weight variations with different materials, but my linen micarta:
Vexillarius = 5.25 ounces; .14” thick; 3.75” blade (from front of choil); 8.25” oal
It is pretty light-weight for micarta.
And I LOVE that subtle two tone linen.
Thought you might want me to dump my pics here on this thread for you :
I don't usually get good quality pics. But, sometimes get "Lucky". 
![[Linked Image from i80.photobucket.com]](http://i80.photobucket.com/albums/j183/DWRW/SwampRat-Vexillariusingrass1a.jpg) 
 Various in hand angles: 
![[Linked Image from i80.photobucket.com]](http://i80.photobucket.com/albums/j183/DWRW/SwampRat-Vexillariusinhand1b.jpg) 
  ![[Linked Image from i80.photobucket.com]](http://i80.photobucket.com/albums/j183/DWRW/SwampRat-Vexillariusinhand1d.jpg) 
  ![[Linked Image from i80.photobucket.com]](http://i80.photobucket.com/albums/j183/DWRW/SwampRat-Vexillariusinhand1c.jpg) 
  ![[Linked Image from i80.photobucket.com]](http://i80.photobucket.com/albums/j183/DWRW/SwampRat-Vexillariusinhand1a.jpg) 
 The Vex was a bargain at $99.00. They seem to be selling on the forums for around $120 - $140.
I wouldn't try to mess around too much. I think that is still a good price. Just figure out the scales you want, keep an eye on the trade forums and do the deal.
There were not enough of these made to mess around.
I hope they make more. As I think MANY people will be wanting this knife over the years and prices will likely go up. Buy now!
I WISH I could have afforded a spare. But, funds are too tight right now for me.  <img src="/ubbthreads/images/graemlins/frown.gif" alt="" />
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Borrowed/harvest pic posted by Adrock1978 on Swamp Rat/Bladeforums:
good pic: 
![[Linked Image from i12.photobucket.com]](http://i12.photobucket.com/albums/a222/adrock1978/DSCN3275.jpg) 
 .