Hi, I think you may have trouble finding the cabs you want in
quality opal, quality opal is not usually calibrated as its too
pricey to waste on cutting to size, there are lots of opal dealers
who are heading to Tucson so you may get lucky but you will have to
do some leg work,
You should be able to get white opal that is calibrated but I think
if you are after black opal I don’t hold out much hope.
The only other option is to buy cabs that you can have cut to the
size that you require.
Christine in the Ridge, wishing she was going to Tucson but is
planning for 2010 but that seems like ages away. Sort of like waiting
for xmass when you are 5. So all you lucky ducks who are going have a
lovely time and if you see a long tall Texan in a black hat by the
name of Dalan Hargrave say hi from Christine.