Why white Danby marble? Aside from the beauty, it’s low absorption rate of (0.07) makes it highly suitable for use in the kitchen. This is much lower than many granites!! On average, Danby marble is installed EVERYDAY in this country! And last but not least, Vermont Quarries is the 1st & only marble quarry to achieve T…he Greenguard certification! Check out the graph that compares the purosity rate of other white marbles.