태그 아카이브: 포르투갈 맞춤 팔찌와 같은 인회석 금 기타 보석

포르투갈 맞춤 팔찌와 같은 인회석 금 기타 보석

Apatite is a calcium phosphate mineral with complex chemical composition, often containing cerium, uranium, thorium and rare earth elements. According to the different additional anions, it is divided into fluorapatite, chloroapatite, hydroxyapatite and There are many varieties of strontium apatite and so on. They have a similar relationship with each other, and fluorapatite is usually […]