Tea has a substance called Tanin which stains mugs.
Yes, you can use urethane paint on porcelain mugs.
In the ninety's the mugs was made in USA now they are made in China or Thailand therefore now are from stoneware.
There are many places where one can find ceramic coffee mugs at wholesale prices. One can find ceramic coffee mugs at wholesale prices at popular on the web sources such as Amazon and eBay.
Yes, they carry paintable ceramic mugs in several sizes. They have a large mug that comes with paint pens, a favorite for the kids.Other options for making one-of-a-kind mugs are available as well. Try your had at embellishing mugs with all sorts of buttons and stones, or for an extremely easy and professional look, try Martha Stewart Crafts™ Adhesive Silkscreen Printing decals.
There does not appear to be a name for it.
Weird
Quodophile.
Phonographer.
Someone who collects everything would be called a hoarder - this type of person may have OCD as well.
Some of the names given for a person who collects trains:model train collectormodel train enthusiasttrain modeler
That's an entomologist.
usher
Gun-collector
The person who studing about the shell is calles as chonchologist.
simple - eraser collector!
Eccentric.