This reminds me of Prosperity Palace, in the Kingdom of Cancer. Affluent indeed, Cancer is second in splendour only to the Imperial Golden Capital. It's described as mostly coloured in black in whites.
Malachite is one of a number of semiprecious minerals native to Russia. Though this fireplace appears to be carved from a single large chunk of malachite, it is actually composed of many small pieces fit together to look uniform.
Marble fireplace in Cragside House, Northumberland. It is built over solid rock in order to support the marble it is made of. An incredible thing of beauty. My jaw literally dropped when I saw this fireplace. An incredible house.