Bluestone is a fine-grained sandstone from Pennsylvania and New York, characterized by its grey-blue color—but it’s not always blue.

You’re facing the same conundrum that so many marble-loving home owners have wrestled with: you love real marble, but is it really worth the care and maintenance? Read this before you choose artificial or fake marble for your home.

The stone monument incorporates 27 varieties of marble and has been considered “one of the finest marble installations in the United States” in a story published in Through the Ages trade magazine in 1926.