Alexandrita Stock 1 is a versatile stone that can be used both indoors (in kitchens and bathrooms) and outdoors (in paving patios and gardens). Quartzite is a metamorphic rock that originates as sandstone, and usually varies in color from white to gray. It is commonly used in construction because it is such a strong and durable stone. It is also a popular choice in home decoration because of its natural beauty. While maintaining the durability of your home’s surfaces, Alexandrita Stock 1 will also add splendor and value.