I've sold the mount and now have an aluminum adapter ($160 locally made) that I used to mate the 85 to the Tak mount using the clamshell tube holder. I think it will probably work with other Tele-Vue clamshells too. If you can use it make any kind of reasonable (or not) offer. St10XMEs preferred. :-)
If it won't work for you return it for a full refund. I might even ship it so you can check it out before you send payment/trade, whatever.