How can I verbs an alabaster jug please? Soda water is suggested but I am not sure if it is...

Soda water is suggested but I am not sure if it is the fizzy drink or a solution of any soda crystals or bicarbonate of soda. The stains are newsprint and a bit of grime. It's an old pitcher.
How do you take the little stinky creatures...
Answers:    Clean alabaster with borax; it is mild adequate not to scratch the surface. Dip a moistened cloth into a small amount of dry borax, and rub it on the raise objections. Rinse with heat water, and buff-dry next to a soft cloth. You can also use this method to clean marble.
SIlverware within the dishwasher...right side up...or upside down?
I use older fashioned 'Windolene' on my marble washstand which acts resembling jeweller's rouge and cleans it beautifully. Not uncomplicated to find these days though - I wouldn't use any chemical cleaner no event how benign it seems as marble and alabaster are extraordinarily absorbent and you could verbs the surface. If it's valuable I'd want advice from a conservator - try your local museum.