In the result, the width of the crown Yellow varieties are the most equal to 1.59 cm where there are no statistical difference with the breed of hai but jang vary between varieties and species of Siamese Chom thong jade.
The width of the most valuable species, Yellow crown is 1.59 cm, which is not statistically different varieties jang hai but there are differences between species. Thong, and Siamese breeds Jade
In the field of width effect of Yellow crown most valuable as 1.59 cm. Which no statistical difference with varieties Jang Hai but there are differences between species and varieties of jade, chom thong Siam