Good quartz stones are generally above 800 yuan per meter, and the cheapest ones cost more than 300 yuan.
Quartz stone with good quality should contain more than 93% timely crystals, which will not react with acidic substances, while quartz stone with poor quality contains more calcium substances and produces bubbles when it meets acid. Quartz stone with poor quality will have white powder when it is scratched by hard objects, and the scratch is obvious.
Pour soy sauce or red wine on it and test the permeability. Good quartz stone has a very high density and colored objects are not easy to penetrate. Quartz stone has the characteristics of high temperature resistance. If it is burned with a lighter for a period of time, it is generally high-quality quartz stone scrubbed with water.
Judging the density by observing the particle distribution with naked eyes, the particles with good quality are more uniform and dense. Many owners will doubt its advantages when buying inferior quartz stone. Quartz stone with good quality is very practical because of its dirt resistance and good hardness.