At present in the market presents the numerous quartzite carvings whose quality is too irregular to choose for customer. It is difficult to judge the quartzite carvings quality with the naked eye. Customers often constantly pursue performance-to-price ratios compare, but has neglected the product quality. Then in choice process, few kinds of quartize may be known. But while the customer realize the distinguish between them, they may achieve specialized carries on the correct judgment choice to the quartzite and avoids quartzite fuzzy line of sight which is varied respectively by the market, brings the high quality product finally for oneself and harvests the high quality service.