Granite countertops and tiles are very durable, resilient and age beautifully. An average granite countertop or floor will outlast the house. However, certain care of granite countertop and tile is still necessary. The easiest way to keep granite countertop and tile looking great is to avoid any actions that may damage the granite, such as dropping heavy objects directly onto granite countertop surface and leaving acidic fluids on granite countertops for extend time. Here are some "do" and don't do" tips.

Dos: 1. always clean up spills on the granite countertop immediately. Many liquids such as wines, juices and sodas contain acidic substances that will etch through polish of countertop and stain the surface. 2. Always use sponge or soft cloth clean granite countertops and tiles. Special granite stone cleaner is highly recommended but warm water with dish soap will work for a quick cleaning up. Avoid using excessive soap as it will build up on granite countertop and dull it shininess. 3. Use coaters or table mates under all glasses and bottles when placing on the granite kitchen countertop. Although good sealing to certain extent prevents acids from etching through the granite countertop and tile, this in no means is bullet proof. So preventive caring for granite countertops and tiles is necessary. 4. Make sure to rinse cups, dishes and glasses before piling them up on the granite countertops. 5. Although granite itself is resistant to heat, it is still suggested to place hot pads between heated cookware and granite kitchen countertop as high heat may change the color of polished granite countertop surface. 5. Always use cutting board and avoid cutting objects direct on granite countertop. This will prevent scratching the countertop at the same tile protecting your knife's edge.

Don't: 1. don't use bleaches, degreasers or glass cleaners to clean granite countertop and tile. 2. Don¡¯t use vinegars, lemon or orange as cleaners. 3. Never sit or stand or a granite countertop. 4. Don¡¯t put bathroom products, such as perfumes, hair gels, nail oils and lotions directly on a granite countertop.

References:

Granite and Natural Stones

Granite Countertop

Granite Tile

Granite

Here is a link that might be useful: Marble Granite Fabrications