hat
R: pa rayures---Yuxin quartz wòch gen leve pou 94% quartz crystal, ki se byen koni kòm a dezyèm pi di ineral nan mond lan, pote pou pi di ineral se dyaman. Dureté nan pwodwi quartz nou ka rive nan men yon Ta Mok’s dureté de 7.5, nou pa bezwen pi rèd ke tout lòt byen file atik ki gen valè tankou kouto kizin.
eng
A: No scratches----Yuxin quartz stone contains up to 94% quartz crystal, which is well-known as the second hardest mineral in the world, comparing to the hardest mineral which is the diamond. The hardness of our quartz product can reach up to a Ta Mok’s hardness of 7.5, much harder than the other sharp objects such as kitchen knives.