You've put a lot of care into choosing your furnishings. And with continued care at home, they should share your address for many years to come. Now for your owner's manual...
Dust with soft dry cloth.
Do not leave spills unattended.
Do not use abrasive cleaner.
Clean glass (or mirror) with glass cleaner & soft lint-free cloth.
Color and natural veining will vary with each piece.
Protect from heat and liquids.
For soil build-up, wipe hard surfaces with damp cloth and dry.
MARBLE/STONE is a porous, natural material and prone to stains.