 Bluestone is also called calcite, calcium carbonate, and its Mohs hardness value (MOH) is 3. Bluestone is a kind of rock containing a single calcite mineral component, accounting for 95% of calcite, and contains a small amount of other minerals, including dolomite, siderite, quartz, feldspar, mica, and clay minerals that can express the color of stone. As a newly-developed stone, bluestone has been widely used in the construction industry and decoration in recent years, and bluestone conservation and treatment has been in a position that cannot be ignored. In the daily life, we should do the following special care for bluestone tabletops: Scratch Bluestone is soft and it is also easier to scratch. When cutting something above the bluestone, put a chopping board to avoid scratching the bluestone countertop. Tripods or trays underneath utensils such as ceramics and porcelain can prevent unnecessary scratches. Dyeing Bluestone is more porous than other natural stone deck materials and is extremely easily dyed. All bluestone tabletops prior to installation are treated with a penetrating stone sealant to prevent stone staining. Like marble, cups and other utensils also have to be matted. Do not leave stains on the bluestone, even if it is not for a short period of time. Sealing it regularly helps reduce the chance of staining. Corrosion Bluestone, like marble and other calcareous stone, is weak in acid resistance. Therefore, avoid acids, and do not come in contact with lemon or tomato juice. These can corrode the surface of the bluestone tabletops, making it dull and texture blurring. However, there is no need to worry about removing stains in time and using the right cleaner can be avoided. Burn Bluestone, like marble, can also be burned. Therefore, high-temperature vessels should be avoided from being directly placed on the bluestone tabletops. Tripods or mats can be used to protect the surface of the bluestone mesa.
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