White MarbleWhite Marble Size: 3 8" 3 4" (9 19mm), 3 4 1 1 2 (19 38mm) Source: Canada Type: Calcite This white marble stone will add a unique style to your flower bed or garden. Using a long lasting stone as garden bed cover instead of wood mulch means there is less maintenance and you dont have to reapplying year after year. White marble also has a high solar reflectance and is often used on green roof projects. Sold By: Super Sac (1. 25 ton)