Many friends especially like opal gems and aquamarine gems, because they do not understand the characteristics of the two gems, often people will confuse these two colored gems. ดังนั้น, how do you distinguish between opal gems and aquamarine? บรรณาธิการของ Baolong จะช่วยคุณได้. ก่อนอื่นเลย, we must understand the nature of […]
