50% content of ordinary purple gold sand (breaking with starlight)(普通紫金砂50%含量（砸开带星光）) quality purple gold sand 90% content (full star)(精品紫金砂90%含量（满星光）) zhenpin purple gold sand 97% content (can be burnt black and restored)(臻品紫金砂97%含量（可火烧变黑还原）) zhenpin purple gold sand 99% content (can be burnt black and restored)(臻品紫金砂99%含量（可火烧变黑还原）) ordinary emperor sandstone 50% content(普通帝王砂50%含量) boutique emperor sandstone 90% content(精品帝王砂90%含量) zhenpin emperor sandstone 99% content (can be burnt black and restored)(臻品帝王砂99%含量（可火烧变黑还原）)

8mm(8mm) 10mm(10mm) 12mm(12mm) 14mm(14mm)