The hornblende family has a double-stranded structure on the crystal structure, and a silicate containing magnesium, iron, calcium, sodium, and aluminum (characterized by a metasilicate having [si4o11]6-). According to the different crystallization of the crystal system, i
Fashionable women's wardrobe will inevitably be a piece of denim, because of its super-wild and become the focus of the annual fashion, no matter how the fashion changes, jeans are tide people's favorite, if you do not know what to wear today, Then you may wish to choose a pair of jeans, c
Red represents love, anger, affection, jealousy, like the strongest emotional color in people's hearts. Ruby is also seen as a symbol of life and strength. The ancient Sanskrit is also called the ruby ​​Ratnaraj has the meaning of the king of gems. The a