METEO PEBBLE(klay)/diamond pebble (1) 썸네일형 리스트형 Diamond Pebble [1~9/9] Diamonds are formed at a depth of 130 kilometers underground. What is found above the ground is something that rises above the ground when a volcano erupts. Usually, colorless things are valued, and sometimes very special colored ones are appreciated. Diamond is 90 times harder than the second hardest corundum. Diamond is the birthstone of April, and the world famous four diamonds are Sangsangwa.. 이전 1 다음