Contact your local granite tools supplier. You are looking for knife epoxy.
Polyurethane construction adhesive like Sikabond Construction Adhesive will glue cork to marble. You could also use a hot glue gun.
You can use NNREPAIR marble repair kit. Check our profile to find online store. Using NNREPAIR marble repair kit is easy and you will be happy with the result.
There is no adhesive in toilet paper.
You use a regular wall tile adhesive like Ecobond
Yes, but you should you use an adhesive that is ductile
You would use golf club epoxy, it is a very strong two part glue.
I would use an epoxy.
I use an 8 inch trowel with 1/4 x 1/4 castellations.
I would try epoxy, it will seal most items.
Yes, that's one of it's many uses.
Yes he did. Some claim he chose the slabs of marble he wanted at the quarry.
I do this very thing occasionaly and always use 100% silicone in a colour suitable for the vanity.